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AudiWorld Super User
Joined: Feb 2012
Posts: 2,251
Likes: 91
From: Moronville, Tennessee (Middle TN)
if you try to "teach" the dealer anything!Also
Lifters can, in fact, fill up quick as that I think.
Pick one closing:
Glad to help,
(or)
Sorry,
-Tom
Thread Starter
Club AutoUnion
Joined: Apr 2011
Posts: 832
Likes: 332
From: West Michigan
My past experience says that on a cold start it will take a little longer. My son has a leaky lifter on his Yukon and its starts out with a very noticeable click that gets goes away gradually. Mine is like this: Click, Click, Click, Click, silence.
But, I wouldn't put it past those Germans to have quickly filling lifters!
But, I wouldn't put it past those Germans to have quickly filling lifters!
AudiWorld Super User
Joined: Oct 2001
Posts: 15,310
Likes: 696
From: SF Bay Area, CA
Try:
1. Thinner oil, if you are using a thick one (like 15 or 20W50 or even 10W40), assuming no oil burning that is.
2. A can of Risoline or similar solvent right before the next oil change, assuming no oil leaks that is, particularly at seals (as in, these solvents also "clean" out stuff that has sealed up or reduced small leaks over time).
3, If persistent or getting worse after trying above, also look at oil anti drainback valves buried in the V below the intake manifold. Not a commonly documented or diagnosed part, but learned of them way back on C4 2.8 when Audi did a TSB for A4's and A6's. In severe cases, these can act up when hot too with very nasty noises way beyond momentary.
2. A can of Risoline or similar solvent right before the next oil change, assuming no oil leaks that is, particularly at seals (as in, these solvents also "clean" out stuff that has sealed up or reduced small leaks over time).
3, If persistent or getting worse after trying above, also look at oil anti drainback valves buried in the V below the intake manifold. Not a commonly documented or diagnosed part, but learned of them way back on C4 2.8 when Audi did a TSB for A4's and A6's. In severe cases, these can act up when hot too with very nasty noises way beyond momentary.
Thread Starter
Club AutoUnion
Joined: Apr 2011
Posts: 832
Likes: 332
From: West Michigan
OK, the blonde wig has come off. Both problems I described about have corrected themselves. The door closer sounds normal again and I haven't heard the cold-starting clacking in weeks now. Go figure.
I suspect one or both will come back, but for now If it ain't broke, don't fix it
I suspect one or both will come back, but for now If it ain't broke, don't fix it
Thread Starter
Club AutoUnion
Joined: Apr 2011
Posts: 832
Likes: 332
From: West Michigan
Yes and it has been warm lately. 78 yesterday. When it's warm the oil flow more freely, but if I had a leaky hydraulic valve I would think it would drain faster as well. Who knows.
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AudiWorld Super User
Joined: Nov 2010
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From: Vancouver, Canada
Looks like 0W-30 would solve clacking even when it is cold. Overnight is a long time and if the lifter is leaking it will leak any oil. Less viscous one will just feel it faster.
AudiWorld Member
Joined: Jan 2011
Posts: 195
Likes: 0
I have this click, clatter noise on start up too. I find it is also totally ambient temperature dependent... Warm night, no clatter. Cold night, clatter.
Indi reckons to change oil next time and should fix issue altogether.
Indi reckons to change oil next time and should fix issue altogether.
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