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Squeal on startup after timing belt change?

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Old 07-26-2007, 03:14 AM
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Default Squeal on startup after timing belt change?
Recently I replaced timing belt, tensioner, idler pulley, water pump and accessory belt (my labor). At the first (and many subsequent) startup, I get a bearing-like squeal for about two minutes then it goes away.

My local parts supplier says they have no idea (probably would show more interest had I paid them to do labor).

Does anyone have experience with this? I just bought a stethoscope and will start checking the new components if I can get to them!
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Old 07-26-2007, 04:10 AM
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air pump going south
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Old 07-26-2007, 04:17 AM
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Default Mine does that occasionally too, sounds like a belt screeching...>
but it only happens very infrequently and only when the engine is cold.
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Old 07-26-2007, 04:29 AM
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Same here. Turn the AC off and mo more noise.
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Old 07-26-2007, 05:33 AM
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when the air pump starts going would the squeal change with revs?
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Old 07-26-2007, 05:39 AM
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no
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Old 07-26-2007, 03:01 PM
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Default AC compressor clutch going out. Lots of those lately. Must be that time in the lifecycle of
part ...

turn off AC. (put it on Econ) and see if it still does it.
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Old 07-26-2007, 07:20 PM
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Default Re: Squeal on startup after timing belt change?
After my recent TB change, it howled on first startup like a banshee for about 60 seconds, then abated - all quit since...
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Old 07-28-2007, 03:18 AM
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Default Not the A/C this time
The noise is independent of A/C clutch in/out, changes with RPM, disappears after 2 minutes of idle and is not the alternator.

I'm checking each suspect with stethoscope one-by-one...
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