sterkrazzy
Autocross Champion
I personally wouldn't trust these cars past 120k with the original chain and tensioner, even with the updated parts.
Shit that sucks, NYCSuits. Now I'm worried about my car.
I personally wouldn't trust these cars past 120k with the original chain and tensioner, even with the updated parts.
For the first time, I agree with this statement. My confidence in the car has been destroyed because a car randomly shutting off while you're driving, is scary stuff. Luckily the steering is electric assisted, so steering wasn't affected but the brakes were extremely stiff and wouldn't release until I re-started the car.
I think this has been pretty well covered previously in this thread but I will appease you:
You can measure the camshaft phase position at idle (block 093) using vagcom or OBD2. This number shows how far the camshaft angle is from what the car expects. If this number is out of a certain tolerance (-4 to 4) it is an indication that the camshaft timing chain has stretched or jumped a tooth.
I sold my 12 MK6 a few years ago. It seems like this problem has gotten much worse since I sold. I'm wanting another GTI and I'm actually shopping now...
Given said that - with everything we know about this issue and the mk6 now, does everyone still recommend the TSI over the FSI? I was originally shooting for an MK5.5 but now I'm wondering if I should just go to the FSI.
Figured I'd post this here...my GTI (Build date 12/11) had the updated chain tensioner from the factory, just under 135k miles, and on 02/14 my car shutoff under light throttle and threw a P0341 - Cam position sensor. I had the car towed to the dealership as a precaution but I was almost 100% certain I needed a new cam position sensor and it wasn't a timing issue.
It was a timing issue. The service tech tested the camshaft sensor/signal and it was operating as it should. After a 3 hour partial teardown, compression test, and diagnosis...the tensioner did not fail but the chain was stretched to the point it started causing a timing issue. Long story short...everything related to the timing needs to be replaced (chains, guides, tensioner,), along with the intake camshaft which alone is almost a $760 part at the dealer - 06H109021K. The service tech recommended replacing the intake camshaft while everything is apart because it's a variable timing camshaft and could've experienced wear on the lobes as the timing came out of spec over time and at 135k miles, it was better to be safe than sorry. Otherwise, there was a possibility the timing would still be off if the camshaft wasn't replaced.
I was at a loss and devastated but the VW service guy working on my car put me at ease because he definitely knew what he was talking about and answered all my questions. I knew that stretched timing chains were an issue on the TSI but I thought it came down to maintenance (I do my oil changes every 4k-5k since new). The stretched timing chain is such an issue that they keep all of the parts IN STOCK at the dealership. They also told me I was lucky to have the updated tensioner because that kept the timing from experiencing a complete failure with bent valves, requiring a complete top end rebuild.
Situation sucks but at least I have a loaner from the dealership for the next few days and don't have to pay for a rental (my work commute is 140 miles roundtrip each day). I'll post the end result of the service either Monday or Tuesday evening.
How long are the timing chains supposed to last on the mk6 engines? i have a '11 gti and just had my timing chain tensioner/chain/guides/cover replaced but im thinking that the timing chains should be a lifetime part.
2011 A3 ccta here .... Did my whole timing system and water pump and carbon clean at 160000 km .... I had the old tensioner .... Thankfully somehow the tensioner didn't let go ....
How come we even need to do the timing system on these engines .... with most modern 2.0T engines, it's not even a factor in maintenance .... I think VW group parts department is a big income part of the business .... Speaking from experience ....
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