Sound from right rear wheel....
Thread Starter
Racer
Joined: Nov 2005
Posts: 314
Likes: 1
From: West TN
Sound from right rear wheel....
Well, I just don't seem to be having any luck these days... I am getting a weird dragging sound from my right rear wheel area. It sounds like a warped rotor is dragging against the pads (whosh, whosh, whosh) but I don't believe it is the pads or the rotor (less than 6 month old Eradispeed 2pc). A couple of weeks ago I noticed a scraping sound when I turned a tight left and it sounded like it was coming from the right rear. I took the wheel hub nut off, cleaned the area, and lubed with lithium grease and it seemed to go away. Related??
Anyway, I jacked the the car up, removed the caliper and pads, place the wheel back on and put it in neutral and spun it by hand. I can still hear the sound, albeit much more quietly. So, I thought maybe the parking brake is dragging on the inside of the rotor, but the rotor slides off and on without any resistance. I know the parking brake pad is held in place with a spring clip, and floats somewhat. Right now I am beating
my head.
What about the wheel hub or the half-shaft bearing? The car only has 25k on it, but it is a 2000 model.
Many thanks in advance!
Anyway, I jacked the the car up, removed the caliper and pads, place the wheel back on and put it in neutral and spun it by hand. I can still hear the sound, albeit much more quietly. So, I thought maybe the parking brake is dragging on the inside of the rotor, but the rotor slides off and on without any resistance. I know the parking brake pad is held in place with a spring clip, and floats somewhat. Right now I am beating
my head.What about the wheel hub or the half-shaft bearing? The car only has 25k on it, but it is a 2000 model.
Many thanks in advance!
Thread Starter
Racer
Joined: Nov 2005
Posts: 314
Likes: 1
From: West TN
lol... I had to think about that one for a minute. Funny you say that, I pulled up to a traffic light a few weeks ago and he was in the next lane driving a new Tahoe.
Racer
Joined: Mar 2006
Posts: 464
Likes: 0
From: silverdale washington
check the bottom shock bolt, believe it or not the nuts like to work off and the bolt will start to back out but scrapes the inside of the rim. Not really noticeable unless you are looking for it. I fought that one for like a month.
Thread Starter
Racer
Joined: Nov 2005
Posts: 314
Likes: 1
From: West TN
Last edited by deadbolt67; Jan 7, 2007 at 11:16 AM.
Thread Starter
Racer
Joined: Nov 2005
Posts: 314
Likes: 1
From: West TN
Well, I chased a long shot and replaced the hub bearing this weekend. After four hours of labor the sound is still there. Ugh! So, now I have an extra OEM rear bearing (no way I am going to put the original back, its just not worth recovering the 133.00).
Would not having the parking brake adjusted properly cause this? I mean, having it not fitting tight enough? I have read where that the parking brake pad should drag just a bit when spinning the wheel by hand.... I guess I just don't see how it would have enough play to make this whosh, whosh, whosh sound. Plus the sounds does not happen all of the time, making it harder to determine the source.
I plan on pulling the Eradispeed from the right rear and putting my OEM rotor back on. Hopefully, I can use this to eliminate the possiblity of a warped rotor, but it looks like I would hear the sound all of the time if this were the case.
What about the caliper pins needing to be re-greased? I can't see any odd wear on the pads...
This has become a PITA.
Any help is greatly appreciated.
Would not having the parking brake adjusted properly cause this? I mean, having it not fitting tight enough? I have read where that the parking brake pad should drag just a bit when spinning the wheel by hand.... I guess I just don't see how it would have enough play to make this whosh, whosh, whosh sound. Plus the sounds does not happen all of the time, making it harder to determine the source.
I plan on pulling the Eradispeed from the right rear and putting my OEM rotor back on. Hopefully, I can use this to eliminate the possiblity of a warped rotor, but it looks like I would hear the sound all of the time if this were the case.
What about the caliper pins needing to be re-greased? I can't see any odd wear on the pads...
This has become a PITA.
Any help is greatly appreciated.
Last edited by deadbolt67; Jan 15, 2007 at 03:19 PM.
Team Owner
Joined: Jul 1999
Posts: 50,808
Likes: 10
From: Buy USA products! Check the label! Employ Americans
hard to say without hearing it in person but shoe could be doing it. When I used to do drum brakes on cars it would make a rubbing noise like you describe. I would adjust till I heard it drag then back off a few clicks on the adjuster.
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Le Mans Master
Joined: May 2006
Posts: 7,896
Likes: 269
From: Hillsboro OR
Thread Starter
Racer
Joined: Nov 2005
Posts: 314
Likes: 1
From: West TN
There were two different sounds coming from the right rear. The first was a scratching sound, almost like metal on metal, or creeking; the second was the whosh, whosh, whosh. They did not happen at the same time and I don't know if they are related or not. I changed the differential fluid about two weeks ago, but did not do the figure eights to work it into the plates. At the same time, I did go through the entire suspension and check all of the torques. Finally, I lubed the hub splines with lithium lube (mute point now that I changed the entire hub bearing out over the weekend and it is nicely greased at this point). Since the change, I have not heard the creaking noise. Honestly, I don't believe the two are related, but I could be wrong.
I changed to Royal Purple, so I don't believe I need the additive.
I will give the figure-eights a try! Those are cheap and easy.
I changed to Royal Purple, so I don't believe I need the additive.
I will give the figure-eights a try! Those are cheap and easy.
Safety Car
Joined: Dec 2002
Posts: 4,338
Likes: 66
From: Whittier California
Similar sounds coming from my 98 Coupe with 67,000 miles on the clock. It has been diagnosed by two Corvette shops that mine is the rear differential. I will probably have one of the shops exchange by 3:15 for a 3:42. I will try the figure 8 stuff before ordering a new differential. Hope this helps solving your problem.
Advanced
Joined: Jun 2003
Posts: 93
Likes: 0
There were two different sounds coming from the right rear. The first was a scratching sound, almost like metal on metal, or creeking; the second was the whosh, whosh, whosh. They did not happen at the same time and I don't know if they are related or not. I changed the differential fluid about two weeks ago, but did not do the figure eights to work it into the plates. At the same time, I did go through the entire suspension and check all of the torques. Finally, I lubed the hub splines with lithium lube (mute point now that I changed the entire hub bearing out over the weekend and it is nicely greased at this point). Since the change, I have not heard the creaking noise. Honestly, I don't believe the two are related, but I could be wrong.
I changed to Royal Purple, so I don't believe I need the additive.
I will give the figure-eights a try! Those are cheap and easy.
I changed to Royal Purple, so I don't believe I need the additive.
I will give the figure-eights a try! Those are cheap and easy.
So I bought all new rotors and ceramix pads and installed them this morning. It didn't fix the problem. I swear the sound is exactly like warning tab on rotor and only happens when braking, the harder I brake the louder and more grating the sound. If I brake very gradually and over a long distance the sounds (applying very minimal brake pedal pressue) the noise is very faint.
I am assuming this must be the rear wheel bearing. Anyone have any other ideas I should run down before embarking on replacing the rear wheel bearing?
Are the Autozone/Timkin bearings ok to use or should I go ahead and use the AC-Delco bearings.
Also, should I do both sides while I am at it or should I just do the side that is making the horrible noise?
thanks!!
Advanced
Joined: Feb 2007
Posts: 57
Likes: 0
From: Norridge Illinois
I had a grinding/ rubbing sound from the drivers side rear after getting a new set of brakes. After jacking up , pulling wheel on and off a few times , I figured it out. The emergency brake cable rubbing on the tire inside. Worth a look !
Drifting
Joined: Jan 2000
Posts: 1,660
Likes: 9
From: Charlotte, NC
I had a similar sound on my front right wheel. It turned out one of the spokes on the wheel had a crack all the way through it. When I went through turns it would push on the wheel and cause the cracked spoke to brush on the brake caliper. Check your spokes, to ensure this isn't the case.
BTW, I never curbed that wheel and it was near flawless when I removed it, save for the crack. I didn't drive my car hard either...just a fluke I guess.
BTW, I never curbed that wheel and it was near flawless when I removed it, save for the crack. I didn't drive my car hard either...just a fluke I guess.
Advanced
Joined: Jun 2003
Posts: 93
Likes: 0
Thanks for all of the replies, they are very much appreciated!!
I am not sure it could be the e-brake cable, there is no noise while traveling in a straight line under no braking, I would think if I had something rubbing the noise would be there always, and the frequency would modulate with my speed.
I don't think it is a cracked spoke, my car is a '97 with "wagon wheels". Just for kicks I checked them out and I see no defect with the rear wheels (either side).
Another thing I have noticed since not turning on the stereo is that when I hang a right hand turn I hear the noise slightly, which would sort of support my hypothesis of it being the left side (drivers) wheel bearing.
Thanks again to everyone who replied, I think I am going to go ahead and replace both rear bearings... I will keep you posted.
I am not sure it could be the e-brake cable, there is no noise while traveling in a straight line under no braking, I would think if I had something rubbing the noise would be there always, and the frequency would modulate with my speed.
I don't think it is a cracked spoke, my car is a '97 with "wagon wheels". Just for kicks I checked them out and I see no defect with the rear wheels (either side).
Another thing I have noticed since not turning on the stereo is that when I hang a right hand turn I hear the noise slightly, which would sort of support my hypothesis of it being the left side (drivers) wheel bearing.
Thanks again to everyone who replied, I think I am going to go ahead and replace both rear bearings... I will keep you posted.
Le Mans Master
Joined: Aug 2005
Posts: 7,201
Likes: 0
From: DP(oh you know where) IL
St. Jude Donor '06
to narrow it down you can pull sharp turns to the left and to the right to take the load off one of the other bearings and the noise should go away for a split second when you take the load off of the bearing. if you jar the wheel to the left it should take the load off the left wheels and opposite for right side.
7th Gear
Joined: Mar 2007
Posts: 7
Likes: 0
My 06 vette was making a grinding "woosh, woosh, woosh" sound from what i thought was the front of the car whenever I turned. I got it diagnosed at my dealership and it turns out it was the differentaial. They drained and refilled rear differential and added a limited slip additive. This fixed the problem compleatly.