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Old 01-23-2008, 06:12 PM
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Default Whining noise


After cold start this morning I have noticed a wining noise in timingbelt area, it is hard to say though where it isexactly coming from but it’s definitely on a left side of the engine. Once car wormed up a little bit it was gone, I let it cool off and the same noise came up again when i started it. I have changed timing belt this summer but I haven’t touched anything else there. Any idea what it is?
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Old 01-23-2008, 06:23 PM
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Default RE: Wining noise

Most likely a bad tensioner or idler pulley. (timing belt)
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Old 01-23-2008, 06:41 PM
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Default RE: Wining noise

yeah i would think that is tensioner because i was messing with it couple of times by compressing it with clamp .
how soon it should bereplaced or can i still run on it for a little bit?
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Old 01-24-2008, 05:43 PM
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Default RE: Wining noise

It has got to be one of the pulley's not the hydrolic part itself.

I would replace as soon as you can if it comes apart you will be looking at about 3k for the repair.
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Old 01-25-2008, 08:38 AM
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Default RE: Wining noise

When it is cold out, our 850 has a groan/moan sound that is RPM dependent from the timing belt area. It lasts for about 30 sec or so then goes away. I ahve used belt dressing and it seems to help. Just my .02
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Old 01-25-2008, 11:37 PM
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Default RE: Wining noise

how hard is pulley replacement procedure?
is there anyspecial tools needed, or can i justwork it with aregular tools?
Thank you!
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Old 01-26-2008, 08:58 AM
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Default RE: Wining noise

It is like replacing the timing belt.
One is held on with 2 12MM bolts the other is held in with a T-45 I believe or a T-40.
I bought one and cut it down some to fit properly.
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850, belt, c70t5, cold, corvair, noise, pulley, rear, replacement, sound, start, timing, volvo, whine, whining, whirring

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