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1993 Nissan Trucks 2WD Base Std Cab 5-Spd

1993 Nissan Trucks 2WD
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August 24, 2011, 10:56 am

AutomotiveForums M

Question: squelling noise when AC turned on

sounds like the belts but could it be something else?

August 25, 2011, 9:31 pm

Ron W
Expert Mechanic

Probably the belt tensioner is failing. When the AC compressor engages, it puts a heavy load on the belt and if the tensioner is sticking, it can squeal VERY loudly. change the Idler pulley at the same time as both have the same age and wear.

1/1 users found this helpful.

August 30, 2011, 6:13 am

AutomotiveForums M

thanks i'll check it out

0/0 users found this helpful.

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