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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'99 Cadillac Seville STS, A/C Chirping

Q: I have been trying to get this problem fixed on my '99 Caddy Seville and I'm getting the run around from the dealer. The problem is a chirping noise coming from the engine. The dealer found out that it is the air conditioner compressor and told me that this is normal behavior of the car. It is a loud noise when driving 70 mph. I would like to know how to get this resolved?

- Lou F.

A: There was a Caddy that came into our shop with a tough noise problem. After it was all said and done it turned out that the wrong serpentine belt had been installed. The part number in the parts catalog provided a belt number for a belt that worked but was just a little longer than it should have been. The automatic belt tensioner just could not hold the correct tension on the belt and at highway speeds would cause a noise. The right belt, no noise. If the dealer you're working with doesn't seem to work for you then maybe you should find a different repair facility. Life works that way.

 
     
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