Startup Belt Squeal

[robinsone]

So I have no idea what's going on, but i'm sure I'm getting sick of a startup belt squeal that I can't seem to kick.

I have a '04 GP and I just replaced the water pump, I have a new tensioner assembly (10k-20k old) new genuine GM belt (10k old) as I was told it grips better than aftermarket. A newer alternator (40k-50k) on it as well. I'm not sure if the A/C clutch or P/S pulley can develop a squeal with age, but this always seems to happen on cold start-up.

Not sure what else I can do to solve or if this is a case of general age of the vehicle, but what else can I do to get rid of it if anything, thanks.

[REDCRAPGP]

Easy thing to do is remove the belt then spin every pulley and listen for the squeal.


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[blueguy]

Easier than that.

Start spraying WD40 at sh1t while it's making the noise, like all the pullies.

Once it goes away, then you've found the problem.