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Re: Chain Noise Follow up -- Pics and questions!!
Posted by Nickshu (more from Nickshu) on Sun, 18 Jun 2006 08:12:38
In Reply to: Re: Chain Noise Follow up -- Pics and questions!!, PMI, Sat, 17 Jun 2006 21:02:52
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My noise does the same thing. It actually is quiet at startup, but after 30 seconds of running it starts, then it goes away after a little warmup, and comes back when hot, but not always. The intermittent nature is making it hard to diagnose.
I've run it with the belt off several times, but I am not sure what I am hearing, since the noise is intermittent. Might be that during the times I have the belt off, it's not making noise anyway. However I have never heard the noise while the belt has been off, only on...but the times I have done it, the engine has been lukewarm, which is when the noise goes away anyhow.
I replaced the waterpump b/c the bearings were bad (which I found with the belt off), which made things quieter, but no change in "the noise".
Actually with all the chain findings being good so far, I am looking back to the auxillary pulleys....but the noise sure sounds like a chain.
I can get a little strange noise when I spin the belt tensioner pulley really fast, which could translate into something once the pulley is turning at high RPM's during idle, but I can't spin it that fast with my hand! But again, the noise sure sounds like a chain to me.
I may replace this pulley before I start dropping the oilpan to have a look. I hate doing diagnosis by exclusion, but I think that's where I'm at, and I dont want to tear things apart unless I think I'll find something (I do have other things to do besides tinker with my car all day....I'm sure you know how fast these things can eat up your spare time!!)
Thanks for your help!
Nick
95 900S
posted by 68.84....
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