Fixed pulley chirping.
Thread Starter
☠☣☢ Semper Ebrius ☢☣☠
Joined: Jun 2001
Posts: 83,301
Likes: 4
From: Virginia
Cruise-In IV-V-VI-VII Veteran
St. Jude's Donor '06
Fixed pulley chirping.
I recently developed a high-pitched chirping that was constant and most noisy at idle. The fix was simple. It turned out the be the A/C belt tensioner and was fixed by simply operating its arm through its full movement (using a wrench to turn the arm clockwise, relaxing the belt, and then slowly letting it tighten back up.)
Just for those who want to try a simple fix. :)
Just for those who want to try a simple fix. :)
Le Mans Master
Joined: Jan 2003
Posts: 6,298
Likes: 0
From: Tyler TX
Re: Fixed pulley chirping. (Scissors)
I recently developed a high-pitched chirping that was constant and most noisy at idle. The fix was simple. It turned out the be the A/C belt tensioner and was fixed by simply operating its arm through its full movement (using a wrench to turn the arm clockwise, relaxing the belt, and then slowly letting it tighten back up.)
Just for those who want to try a simple fix. :)
Just for those who want to try a simple fix. :)
Team Owner
Joined: Sep 2001
Posts: 23,283
Likes: 905
From: Lake Elsinore, CA
Re: Fixed pulley chirping. (3C2)
How much is too much tension? It seems like a pretty easy fix though. Mine is doing it right now during low load situations.
Heel & Toe
Joined: Feb 2003
Posts: 18
Likes: 0
From: Bridge City TX
Re: Fixed pulley chirping. (Scissors)
Thank you for this post. I have recently changed the other belt and other pulleys with no luck of killing the chirp. I was going to try the AC belt next but I didn't think that I could do anything with the pulleys on the AC without major work.
Thanks
Thanks
Thread Starter
☠☣☢ Semper Ebrius ☢☣☠
Joined: Jun 2001
Posts: 83,301
Likes: 4
From: Virginia
Cruise-In IV-V-VI-VII Veteran
St. Jude's Donor '06
Re: Fixed pulley chirping. (Panouk)
Thank you for this post. I have recently changed the other belt and other pulleys with no luck of killing the chirp. I was going to try the AC belt next but I didn't think that I could do anything with the pulleys on the AC without major work.
Thanks
Thanks
It's pretty easy. Take note of how the main belt runs, rotate the main belt's tensioner clockwise with a wrench or socket on the pully head bolt, and then remove the belt. Do the same with the A/C belt. The A/C belt runs over the crank, under a top pulley, over the A/C compressor, and over the bottom pulley, which is the tensioner. Just rotate the bottom (middle) pulley's head with a wrench going clockwise (a socket won't fit.)
To help diagnose the source of chirping:
Remove main belt
Run engine (for only a few seconds!) to see if the chirping has stopped.
If it has, then it's one of your main accessories or pullies.
If it has not, remove the A/C belt
Run engine, again only for a few seconds to confirm if the chirp is gone
If it has, then the problem lies with an A/C pulley, tensioner, or compressor.
If it has not, then the problem is with your crank or is something not belt-related.
[Modified by Scissors, 3:20 PM 12/18/2003]
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
2027 Corvette vs The World: Every Model vs Closest Competitor
Joe Kucinski
10 Most Common Corvette Problems of the Last 20 Years!
Joe Kucinski
5 MOST and 5 LEAST Popular Corvette Model Years in History!
Joe Kucinski
2027 Corvette Buyer's Guide: Everything You Need to Know!
Joe Kucinski
10 Things C8 Corvette Owners Hate (But Won't Tell You)
Joe Kucinski
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!
Brett Foote
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)
Joe Kucinski
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!
Michael S. Palmer
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!
Joe Kucinski
Instructor
Joined: Oct 2003
Posts: 214
Likes: 0
From: Midwest City OK
Re: Fixed pulley chirping. (Patches)
I was doing it blindly because I couldn't see in there but I guess I put the socket on the right one because the pulley sprung forward a little when I torqued it. What a differnce!! I just got done washing it and driving it around. It used to sound like a hamster in a wheel when I was on the highway in 6th gear, now it's gone. The car feels so much more fun to drive now Who would've thought that one little noise would make such subliminal influence the way you feel about your car? :hurray:
Thread Starter
☠☣☢ Semper Ebrius ☢☣☠
Joined: Jun 2001
Posts: 83,301
Likes: 4
From: Virginia
Cruise-In IV-V-VI-VII Veteran
St. Jude's Donor '06
Re: Fixed pulley chirping. (knowledgefreak)
same problem here, only seems to occur early mornings when the air is damp
