my 97 did the same thing, i had to really tighten the crap out of my ac belt and then about every three months i have to retighten it. i think this pretty common from what i read about the four cyl. ka24 engine
2002 Nissan Frontier 4 cyl Belt Squeal
When I turn my A/C on I sometimes here a loud squeal from the A/C belt. The squeal goes I way when I either totally let off the throttle or give it full throttle. The A/C belt will also squeal at random while driving with the A/C on. I also have this problem with the fan belt, but only when I put the windshield defroster on.
I replaced all of the belts myself a few months ago, and the squeal went away. When it came back, I tried belt dressing and bar soap, which help cure the squealing, but only for a day or so. I've taken the truck to my mechanic, and he said all of the belts were very tight.
Any ideas on how to remedy the squeak?
I replaced all of the belts myself a few months ago, and the squeal went away. When it came back, I tried belt dressing and bar soap, which help cure the squealing, but only for a day or so. I've taken the truck to my mechanic, and he said all of the belts were very tight.
Any ideas on how to remedy the squeak?
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Overtightening the belts is not a suggested solution because it puts more load on the rotating equipment (e.g. compressor, alternator) bearings. You can try different brands of belts; my original equipment belts did not start squealing for the first 80K miles. Inspect the pulleys for damage or mis-alignment. Other than that, turn the radio on louder.
Steve
Steve
My 1998 does this occasionally, and so does my co-worker's 2202. Upon hearing you have it too, I wouldn't go to the ends of the earth to track down a possibly-inherent problem. I use Gates belts from Carquest.Overtightening the belts is not a suggested solution because it puts more load on the rotating equipment (e.g. compressor, alternator) bearings. You can try different brands of belts.
My 98's A/C belt started to make noises after I had the A/C worked on at Tire Choice. It only sqeaks when its hot outside and when I accelerate quickly. But after like two minutes it goes away and doesn't come back until the engine cools down. Lately though, I haven't heard it at all. Unless the belt is worn down or damaged, I wouldn't worry about it.
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