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The theory is that once those two Valves are replaced, the rear main will have less pressure, and if the seal is still good it might not need replacing...
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Is your mechanic a VW specialist? You're just wasting money.... Rear main seal, 99.99%....... Don't even know why he would suggest chain in the first place, if your chain has jumped, engine light will come on, if he thinks it's jumped causing misfire, it will bend valves, again engine light.... The rear main seal doesn't bring up engine light, just causes subtle misfires... Just trying to save you $$, is there a heap of engine oil on the undertray?
P.S: A leaking rear main is a leaking rear main, no 'less pressure' will fix, period.
Is your mechanic a VW specialist? You're just wasting money.... Rear main seal, 99.99%....... Don't even know why he would suggest chain in the first place, if your chain has jumped, engine light will come on, if he thinks it's jumped causing misfire, it will bend valves, again engine light.... The rear main seal doesn't bring up engine light, just causes subtle misfires... Just trying to save you $$, is there a heap of engine oil on the undertray?
Yes there's a clear oil leak.. The engine light is on though...
The chain was suggested by a VW specialist, Audvolks.
You would know if it's chain, believe me, done enough chains to know, it will log a cam sensor incorrect timing fault, or just give you no warning at all and go boom.
Let me guess, you fault codes consist of:
P0171 – System too lean, or misfire fault codes P0300, P0301, P0302, P0303 and/or P0304
P.S: engine idling, is it hard to remove oil cap? (does it suck) - does engine idle change?
You would know if it's chain, believe me, done enough chains to know, it will log a cam sensor incorrect timing fault, or just give you no warning at all and go boom.
Let me guess, you fault codes consist of:
P0171 – System too lean, or misfire fault codes P0300, P0301, P0302, P0303 and/or P0304
Well we've established now that it's not the chain. I'll ask him tomorrow what the specific engine codes are.
If he doesn't sort it tomorrow I'm going to just take the car back, and I'm not paying for these two valves if it doesn't fix the issue
Well we've established now that it's not the chain. I'll ask him tomorrow what the specific engine codes are.
If he doesn't sort it tomorrow I'm going to just take the car back, and I'm not paying for these two valves if it doesn't fix the issue
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Post back here the fault codes, alot easier to help you with codes, even better a autoscan via VCDS if available or ref this thread: VAG-COM scanning, who can help for someone who can scan for you in your area.
Seems to me you're down $2300 with no solution, if you came to my shop, rear main would be the first thing .
It's an ongoing saga.. hopefully with a resolution later today.
So the timing chain is apparently fine.
The word from some other mechanic was that when the PCV valve goes, it takes other valves with it. (2-3, I'm honestly confused right now)
So the word today from my mechanic was some story about the PCV valve having been revised along with the other 2 or 3 valves. He replaced two valves that had improved things somewhat, and now the car has been sent to Auto Deutsche Union, and they came up with some theory that comes back to the PCV, something to do with the other valves, and one of them having been redesigned into the PCV, or something along those lines. You can see why I'm confused.
The gist of it is replacing the PCV should fix the issue and there shouldn't be any need for a fix to the timing chain or the rear main seal...
Holding my breath, that'd probably be the best outcome from where I was at a week or so ago..
If you guys can make sense of any of the above, so I can get some peace of mind, that would be great.
Ah yep - sounds confusing. Would be interesting to know what these "other valves" are that the mechanic is talking about.
I had my GTI up on jack stands over the weekend and have noticed my rear main seal appears to be leaking (oil leaking out where the gearbox bolts to the engine block). So im going to have to get that fixed over the next few weeks now. Car has only done 80,000km.
Well the call came in. The PCV valve didn't fix anything, so it looks like we're back with the rear main seal. Hopefully this **** is fixed by tomorrow, I'm very much over it.
Luckily the latest experiment didn't cost me anything, nor did those extra couple of valves...
It's just cost me time really...
Out of all the other work done to date, most of it I'd say was necessary though I might have been able to defer some of it.
- water pump replaced
- cleaned out carbon build up from manifold
- 4 coils replaced (probably could have only replaced the two)
And the rest was generally diagnosing the issue, running tests on fuel lines, injectors etc, checking the timing chain...but I don't think I paid for much of that..
Luckily the latest experiment didn't cost me anything, nor did those extra couple of valves...
It's just cost me time really...
Out of all the other work done to date, most of it I'd say was necessary though I might have been able to defer some of it.
- water pump replaced
- cleaned out carbon build up from manifold
- 4 coils replaced (probably could have only replaced the two)
And the rest was generally diagnosing the issue, running tests on fuel lines, injectors etc, checking the timing chain...but I don't think I paid for much of that..
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This is why it pays sometimes to make a trip to the dealer OR alternatively have a trusted VW specialist. Rear main should sort out your issues once and for all, lets hope!
This is why it pays sometimes to make a trip to the dealer OR alternatively have a trusted VW specialist. Rear main should sort out your issues once and for all, lets hope!
^^ This, coupled with advice from knowledgeable & helpful forum members! ^^
I can kind of agree with that. I'm a bit sus about how much it the mechanics time I'm paying for that was spent because the guy didn't know what was going on..
What's the normal hourly rate for a mechanic these days? I haven't had to pay for a repair job in years...
My mechanic is $110/hour inc GST. They can get a lot more done in an hour than the falcon/commodore guy because they only (mainly) work on VW/other Euro's & have seen the things that commonly cause issues & can anticipate the problems!
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