1997 Toyota Tercel A/C Screeching

1997 TOYOTA TERCEL
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MRU
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  • 2 POSTS
I have a '97 Toyota Tercel with 101,000 miles on it. The car runs great, except that when I use the fan (especially the A/C) it sometimes makes screeching sound. If I turn off the A/C it will usually go away immediately. Is it a loose belt?
May 30, 2006 at 9:51 AM
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LOSONE
  • ✓Experienced Mechanic
  • 1,616 POSTS
Turn on the blower motor without the A/C to see if it the blower motor. If not it is either a loose belt or perhaps it may be a bad compressor or maybe an alternator bearing.

Feel the belt this goes around the compressor. If it has more tan 1/4" of slack it needs to be replaced . Once they start to squeal they need to be replaced
May 30, 2006 at 10:35 AM
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MRU
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Thanks!
May 31, 2006 at 12:54 AM
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Suggested Repair

Run the blower without the A/C to see if the noise is from the blower motor. If it is not, inspect the compressor belt and replace it if it has more than 1/4 inch of slack or has started squealing. Also consider a failing compressor or alternator bearing.

Conversation Summary

The owner of a 1997 Toyota Tercel with 101,000 miles reported a screeching sound when using the fan, especially the A/C, that usually stopped when the A/C was turned off. The expert advised testing the blower without the A/C, then checking for a loose or worn compressor belt, a bad compressor, or an alternator bearing. The owner thanked the expert.

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