Loud chirping comes and goes 89 GT - Mustang Evolution

Go Back   Mustang Evolution > 1979-2015 Mustang GT || Tech and Talk > 1979-1995 Mustang GT



Reply
 
Thread Tools Search this Thread
Please support our sponsors and let them know you heard about them here!
Old 04-29-2013, 06:47 PM   #1
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
Loud chirping comes and goes 89 GT

I am completely stumped. I get a very loud chirping sound after driving for 5-10 minutes. When the chirping starts I press on the brakes and the noise stays the same and slows down with the car. When I then accelerate it will stay the same and increase. I thought for sure it would be a seized caliper and the brake pads were just rubbing causing heat and therefore the chirping. I was wrong. I replaced the calipers, rotors and pads and the sound is still there and the same! It sounds like it is under directly under my feet and braking, accelerating or coasting does not make it go away. It just chirps to the speed of the wheel revolution. Again this sound only starts after 5 minutes of driving and only is audible driving about 45 mph and under. If I go on the highway it seems to too fast and I hear no chirping sound. Can anyone help before I spend my saving on throwing parts at it.
Patches89 is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 04-29-2013, 08:14 PM   #2
Staff
Regular
Staff
 
scottydsntknow's Avatar
 
Join Date: Apr 2013
Location: JB MDL
Region: New Jersey
Posts: 16,588
Does it go away when you push the clutch in? If its not the clutch TOB then it sounds like a wheel bearing.
scottydsntknow is offline   Reply With Quote
Old 04-29-2013, 09:00 PM   #3
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
Unfortunately it is an automatic. I thought bad wheel bearings make a grinding sound. Do they also make high pitch chirping noises? Also when I replaced the rotors I repacked all the bearings and the sound is still exactly the same as before . Would the bearing still squeal if I repacked with grease?
Patches89 is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 04-29-2013, 09:11 PM   #4
Registered Member
Regular
Supporter
 
93slowstang's Avatar
 
Join Date: Jan 2011
Location: Walker
Region: Louisiana
Posts: 3,436
It could be the type of brake pads you have. Semi metallic pads will chirp like that.
__________________


93 GT with more junkyard mods than you can imagine.
90 GT bone stock down to the air filter, awaiting restoration.
Join Mustang Evolution today. Click here
93slowstang is offline   Reply With Quote
Old 04-29-2013, 09:35 PM   #5
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
The sound seems to be coming from under the car. Does not seem to be coming from the wheels. Could it be the drive shaft? When I take my foot off the gas the sound continues. Sounds like it is directly in the middle of the car.
Patches89 is offline   Reply With Quote
Old 04-29-2013, 09:42 PM   #6
Registered Member
Regular
 
Dion11197's Avatar
 
Join Date: Mar 2011
Region: Texas
Posts: 829
Could be. I'd check your universal joints and input shaft. Did you change drive shafts recently?
Dion11197 is offline   Reply With Quote
Old 04-29-2013, 09:43 PM   #7
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
No, did not touch anything on the drive shaft. Would that make a high pitch squeal noise or more of a clunking?
Patches89 is offline   Reply With Quote
Old 04-29-2013, 09:47 PM   #8
Registered Member
Regular
 
Dion11197's Avatar
 
Join Date: Mar 2011
Region: Texas
Posts: 829
I've actually heard both, but usually a clunk more than a chirp.

---------- Post added at 07:46 PM ---------- Previous post was at 07:45 PM ----------

Just a thought, did you check your dust shields?

---------- Post added at 07:47 PM ---------- Previous post was at 07:46 PM ----------

Does it happen more on rough roads then smooth?
Dion11197 is offline   Reply With Quote
Old 04-29-2013, 09:54 PM   #9
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
I checked them when I changed out the rotors. Everything looked fine, but maybe I should take another look.

The sound happens on smooth roads.
Patches89 is offline   Reply With Quote
Old 04-30-2013, 06:17 AM   #10
Registered Member
Regular
 
Dion11197's Avatar
 
Join Date: Mar 2011
Region: Texas
Posts: 829
Since it seems consistent with wheel speed I would take the side it sounds like its coming from off and inspect the inside of the wheel real good and spin the rotor by hand. Also spin with the wheel on to see if you get anything and go from there. I would check both just to rule things out.
Dion11197 is offline   Reply With Quote
Old 04-30-2013, 11:16 AM   #11
Moderator Emeritus
Legacy
Regular
 
SpectorV's Avatar
 
Join Date: May 2003
Region: Alabama
Posts: 26,049
Send a message via AIM to SpectorV
driveshaft turns as well, look under there for wear marks or shinny spots for something hitting something else~
__________________
2003 Cobra Vert (Redfire) #3938 of 5082 @ 05/27/2003
472rwhp/493rwtq -Modification List - Dyno Sheet
2012 Mustang 3.7L M6 (Kona Blue)
2011 Ford Edge Sport (Red Metallic)
SpectorV is offline   Reply With Quote
Old 04-30-2013, 03:53 PM   #12
Registered Member
Regular
 
foxbox's Avatar
 
Join Date: Jul 2012
Region: Illinois
Posts: 269
Speedo cable!
foxbox is offline   Reply With Quote
Old 04-30-2013, 05:23 PM   #13
Registered Member
Regular
 
Dion11197's Avatar
 
Join Date: Mar 2011
Region: Texas
Posts: 829
Forgot about that one! My buddies did that, got it greased and he was go to go.
Dion11197 is offline   Reply With Quote
Old 04-30-2013, 07:25 PM   #14
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
Thanks for the help! I am taking it to a local shop on Thursday to see what the issue is. I do not have much experience at all working on cars and just learn from YouTube videos. I will let you know what I find out.
Patches89 is offline   Reply With Quote
Old 05-01-2013, 04:54 PM   #15
Registered Member
Regular
 
fordtough1991's Avatar
 
Join Date: Dec 2011
Region: Texas
Posts: 60
I know you say it's coming from under the car but if your runing the a/c while driving the clutch on the compressor might be out and making that noise
fordtough1991 is offline   Reply With Quote
Old 05-01-2013, 07:40 PM   #16
Legacy Member
Legacy
 
Bane-'s Avatar
 
Join Date: Jul 2004
Region: Maryland
Posts: 614
Send a message via AIM to Bane-
dpending on how long I have the ebrake set on my car, after an extended period of time of it not moving the rear drums squeek a little.

needless to say, dont set ebrake = not squeeky drums was an easy fix lol
__________________
'04 Roush F150 ( totalled while parked )
'89 Gt Hatchback H/C/I, 1.6 rockers, 75mm maf, 24lb, 70mm tb, cai, udp, full exhaust, msd ignition, 373s, Eibach Springs, Lakewood 50/50 rears, Adj Rear Control arms, A/C Delete, Smog Delete, EGR Delete,
Bane- is offline   Reply With Quote
Old 05-06-2013, 08:15 PM   #17
Registered User
Newbie
 
Patches89's Avatar
 
Join Date: Oct 2011
Region: Ohio
Posts: 11
Well, got back from the shop and they could not reproduce the sound. After driving for about 30 minutes, average speed about 30 mph, the noise started again. I opened the door and hung my head to hear the noise better. Sounds like it is the rear wheels. The sound is high pitch. Took the drum off the rear and did not see anything that suspicious.
I may just change the rear brakes to eliminate a possible cause.

Thank you everyone for your help.
Patches89 is offline   Reply With Quote
Reply

Lower Navigation
Go Back   Mustang Evolution > 1979-2015 Mustang GT || Tech and Talk > 1979-1995 Mustang GT

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are Off


» Like Us On Facebook



10:21 AM


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0

MustangEvolution.com is in no way associated with or endorsed by Ford Motor Company.