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The belt either needs replacing, is loose or is dirty/glazed.
If it is dirty/glazed, spray it with belt dressing.
If loose, tighten it.
If i can't be tightened replace it.
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∙ 15y ago
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Car make squealing sound when start engine and when ac is on?
Worn serpentine belt and/or belt tensioner.
What is the squealing sound when you turn the AC on and give it gas on a 2003 Chevy Tahoe?
your ac compressor could be seizing up. happened on my 2003 suburban.
Why might your AC make a high whining sound?
Have you checked the belts? A squealing sound can indicate a loose or worn belt, or slippage of one. If it is a "whine" it is probably the compressor, which could run for a long time or it could give out tomorrow.
Can the ac compressor clutch cause low engine idol if turning when ac is turned off?
Yes, if the compressor's bearings are bad, usually accompanied by a roaring or squealing noise coming from the compressor's pulley.
On a 1996 dodge neon what causes a squealing sound when you turn on the ac?
Loose or worn A/C drive belt. Tighten or replace. If serpentine belt, replace.
Why does a 1995 Ford Wind star make a squealing noise on start up and AC does not work?
You may need to adjust your belts, check the ac belt first.
What is causing AC in car to make a squealing sound only when you start going down the road and then it stops when you reach about 55 mph When AC is turned off it doesn't do it at all.?
a loose belt between an engine pully and your AC pump is causing the squealing noise a loose belt between an engine pully and your AC pump is causing the squealing noise oic, come to find out that a bolt broke off that holds the pully that was causing the belt the squeel. Also, they ended up just replacing the water pump, saying, while we are in here, you prolly need another water pump cause they tend to got out at 60,000 and up, which is what my cars miles is. Thanks.
What cause a squealing noice when the air in running in an Avalon?
AC Compressor
What would cause a squealing noise when the ac is turned on?
check a/c compressor and belt.
Why your ac not working on your 1996 Mazda 626?
First check your fuse for your AC in your fuse box, make sure it is good. Make sure your cooling fan is turning on when you turn on your AC, if not it could be your fan relay. If the AC compressor fan clutch is kicking on and off then it just needs freon. If the AC compressor fan clutch is not turning then it could be completely out of freon due to a leak, or you need a new AC compressor.
What causes my AC to make a skreeching sound?
loose or worn belt
What would cause squealing after a new alternator ac belt is put on?
It could be a bearing in an idler pulley.
