Chirping after having replaced the AC compressor, belt, and Tensioner (w pulley). - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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post #1 of 14 (permalink) Old 02-15-2017, 02:23 PM Thread Starter
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Chirping after having replaced the AC compressor, belt, and Tensioner (w pulley).

What else can I check for? It wasn't making this embarrassing noise before.
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post #2 of 14 (permalink) Old 02-15-2017, 03:49 PM
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If I was to gees I would say a bad belt and that is where I would start
It could be a bad belt tensioner

I am assuming the belt and tensioner are new
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post #3 of 14 (permalink) Old 02-15-2017, 03:53 PM Thread Starter
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Belt and tensioner are new.

I have an acdelco belt and a continental belt as well. The tensioner is an ACdelco purchased from Amazon. It may be a bad pulley.
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post #4 of 14 (permalink) Old 02-15-2017, 04:00 PM
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It is possible it a pulley but I would start buy jest puting a diferant belt on the car. I put 2 belt on my car this winter to fix a belt noise but I jest use auto parts store belts don't rembered where I got them but after changing it was good.
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post #5 of 14 (permalink) Old 02-15-2017, 04:04 PM Thread Starter
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Hm, I don't want to buy a third belt. I have a new pulley by Gates coming in this Friday so I will swap that out.

If I still experience an issue I will buy another built. Dayco makes good belts I heard.
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post #6 of 14 (permalink) Old 02-15-2017, 04:56 PM
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I think that is what is on mine but I can't rember
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post #7 of 14 (permalink) Old 02-16-2017, 07:12 AM
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Have you checked to see if new ac compressor is making the noise. With belt off, spin the compressor pulley and see if it's making noise.
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post #8 of 14 (permalink) Old 02-16-2017, 08:06 AM Thread Starter
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So the chirping is more than likely my radiator fan. The thing about my fans is that they're always on. Someone must have wired them to a relay located in the engine bay's fuse box that causes the fans to come on when the key is turned to ACC.

What is the reason why someone would do this? Can I make it so that the fans come on automatically vs on at all times? How about a switch to turn the fans on at will?


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post #9 of 14 (permalink) Old 02-16-2017, 08:40 AM
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check in the fues box and see if they have ran a jumper to the fan relay if they have I would say they did it because they wanted the fans on earlier so they jest wired the to run all the time.
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post #10 of 14 (permalink) Old 02-16-2017, 08:41 AM
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What year is your car and is it modded jest by chance
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post #11 of 14 (permalink) Old 02-16-2017, 08:41 AM Thread Starter
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Quote:
Originally Posted by Youngmattg View Post
check in the fues box and see if they have ran a jumper to the fan relay if they have I would say they did it because they wanted the fans on earlier so they jest wired the to run all the time.
That's exactly how it's run Any purpose for wanting to have the fans on all the time?
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post #12 of 14 (permalink) Old 02-16-2017, 08:43 AM Thread Starter
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It's a 93 and the only thing I can see that's modded are headers, no EGR or AIR and coolant bypass mod has been done to it.

I hate these headers, they make a ticking noise right where the front-most flange on the driver's side slips under the driveshaft into the rest of the header assembly.
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post #13 of 14 (permalink) Old 02-16-2017, 09:06 AM
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Is the ticking noise from under the hood or under the car if it's under the hood close to the heads it needs new header gaskets. The water temp stays around 170 180 right
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post #14 of 14 (permalink) Old 02-16-2017, 11:19 AM
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As for why they would have the fans ran that way is going to be either because they wanted to keep the motor(water temp) cooler and they did not want to send ECM off to have reprogrammed (if I rember right the 1993 ECM is diferant so you have to have a chip burned or programmed) or the fans wouldn't work so they jumped them.
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