Vanos bolts broken. BMW redesigned the parts with these stronger … .

Vanos bolts broken Also recommend replacing the whole valve cover due to the integrated crankcase vent valve So i have a 2011 328i xDrive, and my vanos bolts have failed on one or according to the dealer both (mind you symptoms started and it got parked since). Does your BMW have this recall on the BMW VANOS Variable Valve Timing units? Aluminum bolts for the variable camshaft timing VANOS units both on the intake a Loose or broken bolts have caused BMW to recall nearly 177,000 older vehicles in the U. Cleaned it up, and replaced the seal. 2010. The bolts were the old style (original) that snapped. Sort by Oldest first Oldest first Newest first Most reactions. BMW says it has told the National Highway Traffic Safety Administration that in rare cases, bolts holding the variable camshaft timing unit may come loose or I hear that in the US, BMW is recalling 150,000 6-cylinder engines for possible failure of the bolts holding the variable camshaft timing (VANOS) unit housing which may become loose or, in extreme cases, break. I opened the engine up to further diagnose the issue thinking the chain broke or the Vanos bolts broke. Thats how i sorted the broken bolt issue by removing/replacing the whole thing. This is an m50TU with the single VANOS. Attached Images Appreciate 0 Quote 04-18-2021, 08:19 AM #21: SCS55. The actual repair will require approximately four hours; however, additional time maybe required depending on the BMW center's schedule. The other half seems to be stuck in the N55 VANOS Bolt Failure Prevention - Page 3. I replaced the bolts and the motor runs good, except, when I started it the first few times it started running really poorly, loping a lot, then would slowly get better and run fine. If the gear bolts on a VANOS assembly are found loose and/or broken, replace the entire VANOS assembly. I have access to a machine shop so fixing it wont be a problem however where can I get the bolt from? It seems to have a race on it for the bearings to stay centered Loosen bank 1 & 2 Vanos mounting bolt. Or if you were putting in a found vanos intake bolts broken - rr both vanos units as per shop foreman- rr oil pan recovered missing bolts- perf coolant bleeding procedure- topped off all fluids- cleared all faults- perf extended test drive- vehicle running as designed by manufacturer on a side note, the dealer loaned me a brand new 328i with 150 miles on it. I got to inspect the exhaust sprocket w/ tabs while the I recently replaced the head gaskets on my '99 540i. We came to teh conclusion that the vanos bolt (1 of the 6) was completely broken since we were able to move it with a pick from bottom side. Bolts work by stretching to create a clamp force between the threads and the bolt head. Since its's spread over a range of models & engines but relatively tight range of years - probably a bad lot of bolts, would be my guess. VANOS bolt is tight (1) VANOS bolt is loose (2) VANOS bolt heads have sheared off (3) About Press Copyright Contact us Creators Advertise Developers Terms Privacy Press Copyright Contact us Creators Advertise Developers Terms Privacy Replace our bolts before they break and cause catastrophic damage to your engine. With that said, for peace of mind, I went ahead and had my VANOS bolts replaced with the new p/n bolts. You will need the head of the bolt If the gear bolts on a VANOS assembly are found loose and/or broken, replace the entire VANOS assembly. 1 2 3. These are likely the bolt heads to the aluminum head bolts under the timing set. If the heads of the bolts are broken, the missing pieces must be found and removed from the My exhaust VANOS was tight. Refer to Repair Instruction 11 36 046, “Removing and installing or replacing intake and exhaust camshaft units. As a result, the camshaft could become incorrectly adjusted and cause the engine to enter a reduced power mode (limp mode) or to stall while driving. It adds nothing to the assembly time. My intake VANOS had 2 broken bolts. Sapote · Premium Member. About a month ago I received the recall notice for the Vanos bolts. I have a early production 325i with the stereotypical broken aluminum timing cover bolts (BMW calls the head bolts) under the vanos gears. Jump to Latest 21 - 40 of 59 Posts. This is a design defect, and well know in professional BMW service Broken/stripped Vanos Bolt. One's head was sheared off and the other was in place but broken. BMW recalls 156,000 Vanos bolt issue sounds like this is separate issue but still worth sharing. The small bolts that secure the hubs to the ends of the cam shafts are known weak points on the S54. 2. I I was doing a vanos repair today when the T30 bolt that goes through the vanos unit and hols the intake cam gear broke. _____ Loosen bank 1 & 2 vanos mounting bolt. No loose or broken bolts but all bolts replaced anyway. First Lieutenant Update: Recall done. I wish this recall had come about last year - I would have got a free VCG replacement and the bolts replaced Naturally you have the (7) Crankshaft Sprocket that drives the two (4) Camshaft Sprockets via a (1) Double-row Chain. I was wanting them to extend the warranty or offer trade assist due to potential engine damage. I first used the new ones from the rebuild kit and they both snapped BEFORE reaching the 8nm setting. BMW3SERIESFAN Discussion starter. The N52 engine uses four of them, and the part number of the VANOS housing bolt is 8602263 in BMW's parts system. 1. Then when i went into the house to grab a tool to push out threaded portion, my dad took it upon himself to try to help not knowing it was a left hand thread. Although, if we find any broken bolts, then we have So, I was driving down the road and it suddenly turn on the oil light and 5 seconds later It broke, turns out this bolt is broken what would be a possible cause of this problem and what else could be broken? Car is a 2009 325i E90 N52 Locked Then break the bolt loose on the gears and retime it with the tool. There are people who have had issues, looking at M3Forum and I too got paranoid after reading numerous threads about VANOS bolts shearing and causing catastrophic VANOS failures. I broke the inside left hand thread bolts while removing the vanos. Nothing looks off the market. Please contact the nearest Dealer related to Recall, and report any position taken by that Dealer to this Forum. Pics in his post show the broken bolt; it's at least twice as long as the fit bolts in the dual-vanos M52tu or M54. Symptoms started with occasional stalling, then 2A87 exhaust vanos fault codes. B. Refer to step 14. The Vanos bolts broke off and ended up in the oil pan on my 2011 F10 about 6 months ago, with just over 40k miles on her. I rotated the engine cw and cww with a 1/2 breaker bar and got maybe 1 degree of Need some serious help and advice. They said at the time that while it was a "known issue" (wrong grade bolts Covers are cracked, don't you have to remove the bolt to remover broken OEM covers? _____ 2011. All four exhaust VANOS bolt heads sheared off. As I was trying to torque the bolt for the bearing in the VANOS, it broke a single thread off of the bolt before it could reach torque. 1-Oil pump disk, as the tabs can breaks at anytime without notice. BMW mechanic in my area says he can reuse the sprockets leave the bolts in the oil pan and do the job on the cheap. You can see on the photo below, that VANOS (variable valve timing system) to intake camshaft bolts have broken and backed out, 3 of the 4 bolts are damaged and 2 . 2006 m3 e46 s54 engine. Engine light rough idle were the symptom. I pinned the crankshaft and verified it was on the correct hole on the flywheel with an endoscope through the transmission hole (photo attached). E81 / E82 / E87 / E88Model Year: 2004 - 2011. Replaced oil pan gasket and fasteners Cleaned engine and test drove vehicle to verify fix" OP, just had my vanos replaced for free by my dealer. so if the bolt broke while the engine was running or was spun at all really at any point with that bolt gone it is more likely than not that your intake valves at a minimum are toast. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. You're correct. So i have a 2011 328i xDrive, and my vanos bolts have failed on one or according to the dealer both (mind you symptoms started and it got parked since). Safety Risk: A sudden loss of engine power could increase the risk of a crash. Was just finishing up my complete Vanos upgrade and broke the left Vanos mounting bolt (10mm socket). BMW did a recall but left out the e91 Sports Wagon from Broken oil pump driver tab. As a result, the reduced engine power "safe mode" may be activated. Did the valve cover gasket again this year and discovered broken bolts that enclose the timing chain area. This is a straightforward repair. If no bolts were found loose then repeat steps 4-6 for Took some pictures of the failed vanos bolts on my n52, for anyone interested in what is affected by the vanos bolt recall campaign. 100k miles since, no issue. J. 5K views 19 replies 13 participants last post by bimmer07 Dec 31, 2008. Reply reply Sometimes all 4 bolts break off, sometimes only 2-3 break. I was wondering if any of you would happen to know a part# or even where I could look to get this bolt. Despite the corrective measures taken in 2014, some models that underwent the original recall have experienced a recurrence of problems related to loose or broken VANOS The bolts broke causing the vanos to get loose and break as well. https://g87. What's scary is that there is no rhyme or reason with regards to the car that Vanos bolt recall Post Reply Thread Tools: Search this Thread 08-12-2020, 10:25 AM #1: cwlo. If any of the bolts were loose or broken during this procedure then the VANOS assembly will need to be replaced. Usually only see the sheared off bolt head though. 26. My 2010 bmw X3 broke down in me about 3 weeks ago. My problem is that 2 of the hex bolts have snapped (broke really easily) and the other 2 came out with no issues. I did rotate the engine three or four times by hand after completing the VANOS bolt snapped please advice. Also fyi you are supposed to remove the oil pan and retrieve the broken bolt pieces. To install the new head bolt I had to remove the sprocket but decided to leave the chain tensioner in place. " The "VANOS Units", NOT the sprockets, are what need to be replaced if you have broken Bolts. Maybe, 100 bar of pressure slammed it against the end of the slot bc it was turned too far before the gear "snapped" in. What a friggin piece of HELP - Broken Vanos Tab in Engine. To my surprise, only half of the passenger side vanos solenoid came out of the head. Used plastic VCs exhibit hairline cracks and other problematic crankcase ventilation issues because of the high temps 1. Today I was removing the upper timing chain covers in order to reset the timing. I doubt you've Have to remove the valve cover to replace them. Note: Bolt is left hand thread, thus unscrew by turning breaker bar from left to right (clockwise) (car front orientation). Drives: BMW 128i E82, BMW X1 35i E84 If any of the vanos gear bolts are loose or broken, then the entire vanos gear should be replaced. I figured somebody on here would know. When you see the way the bolt is designed it has this odd grove in it that looks like it is The VANOS attachment bolts will be replaced. Without waffling on, i am in a bit of a pinch. all went smoothly until a small distraction caused me screw it up Intake VANOS gear assembly bolts (2) Exhaust camshaft (3) Exhaust VANOS gear assembly bolts (4) 3. E82 Broken Vanos question Post Reply Thread Tools: Search this Thread 08-09-2022, 08:27 PM #1: esauloff. Components ENGINE AND ENGINE COOLING. Yeah, decided to do the VANOS o-rings today on the wagon before it got any colder and I started having issues with the wife driving the car to work. Bolts were broken found in the oil pan so free oil pan gasket repair as well. D. Jump to Latest 6. VANOS bolt is tight (1) VANOS bolt is loose (2) VANOS bolt heads have sheared off (3) Broken Vanos Bolts. Dealer runs codes, sees that VANOS timing is off. He is quoting $1400. 8, it’s one the the two partially threaded bolts for mounting the Vanos. 128 posts · Joined 2007 Add to quote; Only show this user #1 · Dec 29, 2008. NHTSA Campaign Number: 23V707. Note: Bolt is Intake VANOS gear assembly bolts (2) Exhaust camshaft (3) Exhaust VANOS gear assembly bolts (4) 3. labor. I'm somewhat stumped that I still had the VANOS bolt problem even after having the recall work performed years ago. . Ben recommended new upgraded bolts as the old ones were prone to breaking New(used) vs old Again new upgraded bolts for the sprocket In the vanos unit there is a left hand threaded bolt that secures the vanos 'piston' to the cam 'cup' the bolt was broken off in the vanos unit when I stripped the motor so I ordered a new bolt from the dealers (a whopping R21. The spec on those is 6 ft lbs and I used my Kobalt wrench that would only go down to 10 ft lbs and broke one of the bolts. Bonus was a new valve cover replaced under the recall as corrosion of some bolts broken bolt in oil pan. Bimmerpost ☰ Model Selection. MOST IMPORTANT: be aware there was a VANOS BOLT Recall on that vehicle, and you need to know if the Recall has ever been performed, if NOT, WHY NOT, and if so, when & by whom. If your oil pan gasket is leaking I'd recommend to keep driving the car and wait until the vanos bolts break off so they can replace the vanos unit and also replace the oil pan gasket to retrieve the broken heads of the bolts. 8. The gear itself is around 500-600$ iirc, valve cover gasket or entire new valve cover is what I do. Buy BMW part S54-VANOS-BOLTS, S54 Updated VANOS Hub Mounting Bolts - E46 M3, MZ3, Z4M at the best price with fast shipping. Jump to Latest 4K views 1 reply 2 participants last post by Ziggy328xi Dec 9, 2018. This time they discovered that the exhaust VANOS unit had three broken bolts. I watched the VANOS numbers (angles?) and the intake cam would go from around 120 down to 80 while it ran poorly then slowly move back up to 120 My 12/05 build 330i had the external bolt head sheared off, and when I replaced my eccentric shaft sensor and had the valve cover off, the middle two bolts under each of the vanos adjusters also had the bolt heads missing. We use grade 12. BMW of North America, LLC (BMW) is recalling certain 2010-2012 1 Series Coupe, 1 Loose or broken VANOS housing bolts can result in an engine stall, increasing the risk of a crash. I just finished installing new VANOS bolts after having the units both removed to fix broken head bolts. with replacement of the VANOS Unit ONLY if it was found to have loose or broken bolts. I do have the tools and means Want to avoid replacing the engine. " It was a $3,100 repair which the dealer covered. If you have a BMW e-9x from years 2009-2011 you may indeed have these faulty Vanos bolts like I have. The bolt is a Kx2 8. We then decided its time to do one of these as Vanos Troubles, Bolt Broke Hello, I was doing a vanos repair today when the T30 bolt that goes through the vanos unit and hols the intake cam gear broke. Summary: BMW of North America, LLC (BMW) is recalling certain 2010-2012 1 Series Coupe, 1 Series Convertible, 3 Series Sedan, 3 Series Convertible, 2010-2011 3 Series Sportswagon, 3 Series Coupe, 5 Series Sedan, X3 xDrive 28i, X3 xDrive 30i, X5 I have 2bolts sheard off 2 bolts worked ther way out of the sprocket. I have tried bolt part# 11361748745 but that is too short Broken bolt VANOS bolt failure. Doza88 Discussion starter 49 posts · Joined 2007 Add to quote; Only show this user #1 · Jun 2, 2013. Posts. I have access to a machine shop so fixing it wont be Below are the pictures of the broken Vanos Bolts. The bolts back out of the gear and cause a number of issues. 52) now I have realized its the incorrect bolt as its only 15mm long and the old bolt is 25mm long. Where can I find a replacement, there is no part number for this that I can find because its a part internal to the vanos. VANOS bolt recalls have 1. Didn't hear a thing, never drove the car hard. BMW says it has told the National Highway Traffic Safety Administration that in rare cases, bolts holding the variable camshaft timing unit may come loose or Yes the ultimate limiting factor may be the piston movement but I've seen one example of a broken VANOS bolt. Hi guys, yes i had the entire vanos overhaul service as shown in the vid. Appreciate 0 2011 328i n52 vanos bolt broken. ventsyv Discussion starter 1270 posts · Joined 2008 Add to quote; Only show this user #1 · Jan 10, 2016. The bolt was snapped we can hypothesize all day long on which went first nobody will ever know. With the valve cover removed, you can see Guys, he has a '98, and stated he's working on an M52 engine = single vanos. Save Share Reply When replacing the Camshaft sprocket bolts (know to loosen ) with updated bolts I found the Exhaust Vanos Geat had 1 tab broken where it engages the Vanos unit. Replace the 12 bolts for the cam gears (infamous vanos bolts) with better ones. 2 of my bolt on the exhaust cam sprocket snapped and 1 backed out. You can see that the intake side Vanos unit has for bolts still intact while on the exhaust side the heads are all missing. ) My SA says the car sounds better at idle (was ticking bad when I first took it in) but the computer still says "VANOS is not activating. My friend and I had taken in valve cover off and were able to see the issue. 5 of 6 broken, close to destruction. 19 posts · Joined 2014 Add to quote; Only show this user #1 · Dec 18, 2014 (Edited Replace the VANOS assembly’s gear bolts on the units that do not have any loose and/or broken bolts If the gear bolts on a VANOS assembly are found loose and/or broken, replace the entire VANOS assembly. You’ll only need to get one gear off to fix your issue. Stronger bolts need more torque to stretch, which is also required to keep them from backing out. Holding sprocket in place with original bolt. Rep. Private First Class Most likely, once the bolts break there is no consistent way to ensure the new bolts will stop the leakage. Was discovered during a vanos service. the guide I followed provided all the torque settings and listed these T30 bolts as 8nm. New Member. Subydayo. I got the vanos seals replaced and everything. HOWEVER, upon reattaching the VANOS I’m having trouble with my left handed thread, T30 bolt that connects VANOS to cranks. Got that out, went to remove the two small bolts that attach the VANOS cylinders to the cams and they both Seems like a waste of resources when BMW will replace the VANOS units when the bolts break. The problem is if the pieces of the bolts are in the pan. (x4) 11367833218 Vanos Diaphragm Springs; Part of Beisan kit Vanos Actuator o-rings & seals (x4) 11361406944 Vanos Washer (x4) 07119934749 Circ-Clip (could possibly re-use) Vanos Solenoid board service & o-rings; Vaccum hoses; There is a 2nd vanos recall getting ready to drop for the bolts loosening, so checking them is a great idea. Its a pretty easy job. Today I talked a little bit about the BMW n52 Vanos problem. Hope this helped someone out there. The BMW procedure for what to do when VANOS Bolts are loose or broken is in the last half of the RCRIT attached to Post #2. Counter hold intake camshaft and loosen vanos mounting bolt; left hand thread (T55 torx bit socket 3/8″ / 3/8″ breaker bar, 27mm open wrench). Loose or broken VANOS housing bolts can result in an engine stall, increasing the risk of a crash. I aligned everything with the locking tools, but then did a final check after removing them, by rotating the crankshaft two turns and then trying to put the tools back on. Not sure how they change the chain but as you say, Mr Vanos has been doing this for 15 years, so if anyone can do it, he can! Removed valve cover and inspected VANOS adjustment units, found bolts on both units have sheared off heads of bolt Replaced both VANOS adjustment units and all of the one time use fasteners and seals Removed oil pan to retrieve debris rom sheared bolts. 9 but the updated ones from BMW are better than the early ones. Ok guys, so I've been searching around and can't seem to get anywhere. 8l single vanos. Loose or broken VANOS unit bolts can result in an engine stall, increasing the risk of a crash. If you have a leaking valve cover, be a good time to replace it and get the labour for free, just pay for the part. Page 1 of 3: 1: 2: 3 > Thread Tools: Search this Thread 11-16-2023, 04:35 PM #1: Donkeyshins. 2010 bmw 528i vanos adjuster bolt heads found in oil pan from intake cam. They had to remove the exhaust camshaft to retrieve the broken bolts. I do not plan on retrieving the heads of those bolts in the oil pan sump. Hi! I am just looking for feedback of what to expect. Is it common for them to snap out of age or is more likely that the engine has BMW is recalling a 156,137 vehicles, both luxury cars and SUVs, to make sure bolts holding a component in their six-cylinder engines don't break loose and cause stalling or engine damage. Flash forward the Vanos bolts failed on the exhaust side and pistons 1 & 5 hit the valves. I replaced the bolts and put the top end all back together and I’m assuming Very active concern on my mind in terms of threats to long term ownership of this car. Jbrown8 Discussion starter 1 post · Joined 2018 Add to quote; Only show this user #1 The VANOS unit on your S54 is a highly complex piece of automotive technology, and neglect and abuse over the years and mileage can leave your s54 chattering, clicking, and I check in on the Vanos hub & bolts threads that crop up fairly frequently over on M3forum as well. It could have been a lot worse if I would have ignored the CEL. If. As they are saying that they don’t have remedy yet (I think part maybe I don’t what that means). Get replacement vanos bolts, the reverse threaded ones you are referring to and get a torque wrench that goes down to 5 ft lbs. The extended warranty was for 10 years so that only expired 2-3 years ago. V. I was very fortunate to discover this because if the piece had fallen into the timing chain area it would have destroyed the engine. If the heads of the bolts are broken, the missing pieces must be Certain late model BMWs can experience a problem with the camshaft sprocket retention bolts failing. The bigger problem is gonna be getting the broken end out of the cam side of the If the VANOS gear assembly bolts are found loose or broken, replace the af fected VANOS gear assembly. I have the VC off now doing VCG I half expected to find this since the external bolt behind the OFH was broken when I bought it. BMW repaired it under warranty, but nothing else. However if the issue was the one described in the TSB then I didn't need to pay anything. BMW redesigned the parts with these stronger . Replace the VANOS assembly’s gear bolts on the units that do not have any loose and/or broken bolts (one side or both as applicable). So the vanos unit bolt head broke. The other shop qoted $4500, new sprokets,remove oil pan. I was replacing my VANOS seals, everything was going fine up to the moment I snapped the T30 screw on Remove and install oil pan to move broken bolts (1) 11-12-7-582-245 Profile-Gasket: 118522 (1) 11-12-7-552-280 Gasket: 118523 (1) 11-12-7-559-699 Gasket: 119500 (2) 11-36 Stronger bolt does not necessarily mean better. G42 So my vanos bolts broke, and there’s one bolt head I was unable to find. The next week, the light returned so I took it back to the dealer. and Canada. Cars with the 3 stage intake should check the disa flaps as Intake VANOS gear assembly bolts (2) Exhaust camshaft (3) Exhaust VANOS gear assembly bolts (4) 3. 6 %âãÏÓ 155 0 obj > endobj 179 0 obj >/Filter/FlateDecode/ID[82FDD88F3134AB499B6473B88E2D7CB1>580D8DC52F323C46BB1924B7C6B3D574>]/Index[155 58]/Info 154 0 R What would cause vanos bolt intake to snap? Jump to Latest Turns out the bolt holding the vanos gear on the intake side has snapped. Only thing you need to remove is the timing chain tensioner. I bought the Vanos bolts broken Cam bearing ledge wear ( mostly intake side and usually effected earlier E90s ) Oil viscosity and pressure DME issue for power/signal . All four covers had zero play after installation. Engine > Camshafts VANOS & Valvetrain > Tech; Projects; Racing; There are other issues to be With great help from Rajaie (who did the write-up on the double vanos issue on roadfly), I started to replace the vanos unit on my '99 328 - M52tu This job would have been pretty easy except for the fact that both torx bolts Double Vanos Seals Repair Kit finally arrived and while I was doing the repair, one of the bolts on the housing of the exhaust vanos broke (see picture, the circled one snapped). When I was re-fastening the VANOS unit to the head, I found that the leftmost bolt (which BMW is recalling a 156,137 vehicles, both luxury cars and SUVs, to make sure bolts holding a component in their six-cylinder engines don't break loose and cause stalling or engine damage. can I replace with By chatting and providing personal 02 eurovan vr6 24valve, timing bridge screen broke from lack of oil changes, & not running synthetic oils, pieces of. Will be taking apart the vanos system soon. The issue is the bolts shearing in half, as they did on my 2010 535i GT in December This is my feeling after previously replacing the VC for my broken and faulty Vanos bolts: Removing the VC for repairs and then replacing the old plastic VC again after these repairs is asking for trouble. I pinned the crankshaft and verified it was on the correct hole on the flywheel with an endoscope through Don’t freak outcheck out The easy way to remove broken valve cover bolt from the head of a BMW N52. The VANOS assembly bolt removal and installation video can be viewed via the TIS Website: 1. engine repairs are completed. bimmer BMW Recall 23V-707 - 2010-12 N52 VANOS bolts - Check your VIN Post Reply. decided to do the vcg and vanos yesterday on my 2004 330ci. have any loose and/or broken bolts (one side, or both. 4 broken bolts connecting motor to motor mount, end up breaking front drive shaft. BMW says loose or busted VANOS bolts can cause the engines to stall in these vehicles. AcceptableDisplay299 • I think the parts are first going to vehicles that are The only thing holding the vanos units in time with the cams and crank is the tension of that bolt. Reference Recall Campaign 14V-176 and Service Information bulletin SI This is an early N52 that does not suffer from broken VANOS unit bolts. The exhaust camshaft was slightly off-position, so in order to install the camshaft lock tool, I had to Depends. I was replacing my 128i valve cover and gasket earlier this year and just happened to notice that one of the Vanos bolt heads had broken off and several bolts were loose so I ended up replacing them all during that repair. A picture of the bolt is here linked below. There was a recall, but a 2011 is out of scope now I believe. There are 4 or 5. I used the DPTool Amazon N series timing kit. I show where mine the valves did not Bend and all I had to do is replace the vanos gears or cam October 20, 2023 NHTSA CAMPAIGN NUMBER: 23V707000. N55s with build dates of March 2010 through December 2010 are affected with the old Vanos bolt design prone to shearing. What they found was: "broken bolts on vanos unit please order and per SI B11 07 14. Among others, 3 series cars built between 2010 and 2012 are affected, though specific details (such as which engine types) are scant. Admittedly not likely if using the first tooth but impossible using my method. They will be able to tell you if you are up for the recall or not. _____ 11 128i slicktop 19 Alltrack S 21 X5 40iX Msport. I extracted the studs. Counter hold intake camshaft and loosen Vanos mounting bolt; left hand thread (T55 torx bit socket 3/8″ / 3/8″ breaker bar, 27mm open wrench). Stay tuned. Jump to Latest 10K views 16 replies 9 participants last post by Doza88 Jun 6, 2013. 7. Manufacturer BMW of North America, LLC. there is very little chance that the broken vanos tab can make it's way there from the front of the oil pan. Sometimes you can get them out without dropping %PDF-1. One is also located outside the valve cover under the intake manifold near the oil filter housing. Focus on the catastrophic stuff first. Vanos Repair, bolt broke. VANOS bolt is tight (1) VANOS bolt is loose (2) VANOS bolt heads have sheared off (3) I removed the vanos trigger wheel and left the sprocket in place. BMW says it has told the National Highway Traffic Safety Administration that in rare cases, bolts holding the variable camshaft timing unit may come loose or Updated Vanos Solenoid Pack Securing Bolts (S54) (07129905554/37) S54 Vanos Microfilter (11361401971) Elring Vanos Gasket - steel (S54) I know of one person that had a broken vanos hub tab once. This work will be performed free of charge by your authorized BMW center. For those who have had the bolts fail, the replacement part pursuant to the sib is a revised design, less prone to failing. From what I was told is that the broken bolts fell into my motor so they have to take the whole thing apart and check for any other damages and to get the The car was towed the next day. the heads of the bolts are broken, the missing pieces must be found and removed from the engine before the. Subject: BMW Recall 23V-707: Replace Vanos Adjustment Unit Screw Connection BMW AG is conducting a Voluntary Safety Recall (effective October 23, 2023) on a certain number of Model Year 2010 - 2013 BMW vehicles that were produced between September 2, 2009, and July 12, 2012. S. unit can loosen over time and possibly break. sides as applicable). completed. Some history on my VANOS, a few years ago the vanos adjuster unit bolts snapped and fell into the oil pan so dealer had to remove the oil pan to get the broken pieces out and did an oil pan gasket job. Description of Problem:Involves the housing bolts of the variable camshaft timing (VANOS) adjustment unit. For each Vanos perform following. See the post here for all of the info. After the car was back up and running, it threw a "Camshaft Position timing over-retarded", code P0012. They ended up replacing both VANOS units and retiming the engine. Evaluation of bolt: If any of the bolts were loose or broken during this procedure, the VANOS assembly will need to be replaced. Save Share Reply Quote Like. ***UPDATE*** these cars along with some newer model years have been officially added to the recall. As is checking the bolt heads at the front of the cylinder head for breaking off. Dealers will replace the four VANOS bolts free of charge to resolve the concern. 157,796 Potential Units Affected. The Using a replacement screw (you will need one, so if you don't have one yet, go and order: VANOS Piston Bolts (Torx Screw #30 Left-handed/Reverse thread) (11-36-1-748-745). Anyone know the part number? Having trouble finding a replacement. There is a 10 year unlimited mileage warranty on the vanos solenoids and I just made it under the dead line. do not have any loose and/or broken bolts (one side, or both sides as applicable). The SAME procedure is in the Link from "Cgrutt" in post #9. If you decide to do it yourself, you’ll need to find the vanos bolt bits, most likely the gears are okay. gomi_otaku. 61 posts BMW is recalling a 156,137 vehicles, both luxury cars and SUVs, to make sure bolts holding a component in their six-cylinder engines don't break loose and cause stalling or engine damage. Car runs like new with 186,000 miles on her. I was wondering if they are going to Replacing Vanos gears on a 2011 F25 X3 with a N52. Some vehicles have warranty extension on thes On certain vehicles, the variable camshaft timing (VANOS) adjustment unit housing bolts could loosen or break. Luckily for me only 1 tab was broken and was still in place, so on removal of the vanos unit we put a magnet on a stick in place, as the last place you want the broken tab to go is down into the chain. After purchasing the beisan systems vanos solenoid rebuild kit from Hack engineering, i attempted to remove the solenoid and refurb the unit which seems fairly straightforward. He showed me where the bolts which are located on the backside of the VANOS controller have been sheered off. 3. Attached is the 20-page Intake vanos gear is probably broken, the bolts snap off. For each vanos perform following. How do i extract them? bolt part number: 11361748745 When replacing vanos seals, get two, they break easily. Sent in to the dealer hoping to get help from BMW since it’s one year out of warranty, and today the dealer gets back to me saying both units are failing, which will cost $4200, the oil pan 00 M5 Timing Chain Mess & Vanos/Timing Gear Broken (Having a little panic attack) Jump to Latest I tightened up my vanos hub bolts by feel, and i’ve had no issues with vanos adjustment or cam timing since doing the VANOS Model Year 2010-2013 BMW 1 Series, 3 Series, 5 Series BMW X1, X3, X5, Z4 (Models with inline 6-cylinder engine) Issue Date: 10/23/2023 The solution says replace the four bolts I hope it's a bit more than that considering all that goes into the repair and replace. Has too much time passed? Will they still honor this? The recall was issued in 2014. Found broken intake cam hub bolts. My engine is shot. ” Additionally, the remaining undamaged VANOS gear assembly will need to have the updated bolts (P/N 11 36 8 602 263) installed. Appreciate 0 Quote 08-13-2020, 02:09 PM First thing to do is talk to Dealer who says broken VANOS bolt (assuming that's what he said/meant), and find out WHAT diagnosis has been done. NY Times reported about this recall of 2010-2012 vehicles with 6 cyl. Bolt head are most likely in the oil pan. Removed the broken bolt with the typical dental pick method. have any loose and/or broken bolts (one side, or both sides as applicable). Potential Number of Loose or broken bolts have caused BMW to recall nearly 177,000 older vehicles in the U. The head of the bolt came off clean, leaving The mechanic informed that they are seeing a lot of N55 with broken VANOS bolts. F40Model Year: 2019 + Previous Generations If no one comes through with any info on the bolts I will buy this broken VANOS unit from eBay and measure the bolts myself. 1957 Maicoletta 247cc Joined Jan 12, 2008 · 18,482 Posts #21 Replace the 12 bolts for the cam gears (infamous vanos bolts) with better ones. any one had their 2010-12 engine recalled? N51 or 52? Your best bet is to call the dealer and give them your vin. The fitment is perfect. Car Specialist. Regarding the 155,627 affected vehicles, the list kicks The dealer replaced the solenoid valve and sent me on my way. Yes they are on back order, however BMW does have a parts release program for BMW dealers to overnight FedEX parts like this directly to S54 Vanos Rattle Repair Kit Item # BS022 S54 Vanos Oil Pump Disk Item # BS025 S54 Exhaust Sprocket Hub Item # BS027(only necessary if either tab is damaged or Gear bolts from the Vanos assembly. Jump to Latest 24K views 36 replies 11 participants last post by wilt Mar 17, 2015. Parts are not available yet. He explained that the bolts are made from Aluminum and the Looking around it would appear there was a recall issues for the Vanos bolts. Went in to do my routine valve adjustment, which went great, and while I was in there noticed that the seal between the vanos unit and the cylinder head was leaking. Appreciate 0 Quote 10-13-2021, 11:48 PM No messing with vanos bolts, timing tool etc. Reply reply More replies More replies. AND the broken bolts need to be retrieved, WHEREVER they are (on the head or in the pan). Mine have failed as confirmed by the BMW service department. for vanos bolts loose or breaking. Is my engine ruined? I see Bmw issued a recall regarding this for my specific model and year. " As of today, they replaced the exhaust VANOS (so far $2700 out of warranty. If the heads of the bolts are broken, the missing pieces must be found and removed from the 2. This seems to be a common issue, so here’s the fix. The VANOS assembly bolt removal and installation video can be viewed via the TIS Website: 1 . Everything was going smooth till my buddy and I noticed that the exhaust cover bolt was almost stripped. 5 E90 M3 DCT ZCP Slicktop. 2011 328iT. If the heads. Vanos Bolt Recall Just got the letter in the mail from BMW Canada about the VANOS Bolt recall. of the bolts are broken, the missing pieces must be found and removed from the engine before the engine repairs are. They're aluminum and likely dropped straight down into the pan. If the heads of the bolts are broken, the missing pieces must be found and removed from the engine before the engine repairs are completed. I know theres a lot of threads about this but I can't find any DIYs on it. Message me if you are in the tri state and would like to get this work professionally Got the valve cover off and and the vanos bolts were broken off!! I don't think is possible to change the bolts without messing with the time chain !! I'm changing the bolts on both vanos!i will be posting pictures as soon as I find the way to do it!! Thank you BMW for the headache!!!!! Appreciate 0 In the affected vehicles, the bolts that secure the housing for the variable camshaft timing adjustment (VANOS) unit can loosen over time and may possibly break. The VANOS assembly (engine) bolts may, over time, loosen, and Hey all, I snapped my spline shaft mounting bolt inside my 98 z3 2. The VANOS Controller/Actuator is a cogged sprocket with some sort of mechanism on the inside. Put the two long VANOS bolts in E46 M3 with 5 broken vanos tabs. JZMC Discussion starter. The spline hubs and rear retaining rings, when 2006 m3 e46 s54 engine. Was an issue on 2009-2011 models. The dealer said the valve cover needed to be removed to troubleshoot ($569 estimate). Quotes are around $1800-2000 for new one. If the heads of the bolts are broken, the missing pieces must be found and removed from the The vanos bolts have snapped and the engine is now out of time. Same thing with my 2006 330XI. They find a "sheared off / broken bolt in the exhaust side of VANOS. The bolts may possibly loosen over time and, under certain circumstances, may break. This is an early N52 that does not suffer from broken VANOS unit bolts. Camshaft Timing Bolts May Loosen Causing Stall. On our shop car N51, it had one adjuster with 3 out of 4 bolt heads broken off. Jump to Latest 3K views 13 replies 8 participants last post by GoForthFast Jan 13, 2016. They not only need to replace the unit, but remove the oil pan to remove the bolt fragments. A fool's errand IMHO. Hello all, In a little bit of panic. pzg onirxgrl sefmh muitf pkzw dyedbio xjxo fbbmkm pwxk tjpyu