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Right Rear Wheel Noise

Jon S

Well-known member
Joined
Mar 2, 2012
Messages
71
Location
Long Island, NY
Corvette
1981
Car is very quiet driving, then I hear a loud bang (like hitting a pot hole) noise from the back and after the right rear wheel makes a metal to metal scraping sound per revolution and it's developing into a rotational clunk. Next time out, it's quiet for a mile and then "bang." I've traced it to the right rear and have had it off twice. I checked for rear wheel bearing play - none. The brake pads appear very tight (normal?) When jacked up and I wiggle tire left/right I hear a metalic scraping in the brake caliper area, nothing else. Unfortunately, I cant jack up both sides to fully rotate the wheels. All calipers have been replaced with SS sleeved ones about 3 years ago. I'm thinking:

1. Emergency brake springs rusted/broken in hub;
2. Anti rattle shims slipped between pad and rotor;
3. Brake pad separated from plate;
4. Half shaft u joint;
5. Rear wheel bearing

Since the problem is somewhat intermittent, I discounting the u joint and wheel bearing. Thoughts???
 
Last edited:

bill81vette

Moderator
Joined
Jan 17, 2004
Messages
4,345
Location
Troy,NY
Corvette
1981 dark blue metallic
I would check the u joints 1st...


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Tommy Almond

Well-known member
Joined
Jul 11, 2010
Messages
73
Location
Stanley, NC
Corvette
1981
Not long ago on my '81 I picked up a slight roar at the right rear when started and cold going down the road and after 6 or 7 miles would just stop and run quite. Was the wheel bearing race pitted on mine. Didn't make sense in why didn't make noise all the time unless once warm up oil lubed it better. Anyway best of luck on finding the issue.
 

bill81vette

Moderator
Joined
Jan 17, 2004
Messages
4,345
Location
Troy,NY
Corvette
1981 dark blue metallic
Bill -

Safe to drive slowly 10 miles to my mechanic?
You can try...or have it towed..


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Peer81

Well-known member
Joined
May 21, 2003
Messages
2,497
Location
Netherlands
Corvette
'81 Black
As you also drove it home I would say the extra 10 miles wouldn't hurt but I can't say this as I don't know how severe the noise is.

Greetings Peter
 

Jon S

Well-known member
Joined
Mar 2, 2012
Messages
71
Location
Long Island, NY
Corvette
1981
Well it turns out an Emergency Brake spring in the rear hub snapped and was causing that horrible noise in the rear. The spring was not rusted and I don't use the Emergency Brake, so go figure. I ordered the SS replacement kit for the Emergency Brake so hopefully this will not happen again.
 

Mac

Well-known member
Administrator
Joined
Feb 13, 2003
Messages
5,475
Location
Ottawa, Canuckistan
Corvette
1973 coupe L82 (gone as casualty of divorce)
Well it turns out an Emergency Brake spring in the rear hub snapped and was causing that horrible noise in the rear. The spring was not rusted and I don't use the Emergency Brake, so go figure. I ordered the SS replacement kit for the Emergency Brake so hopefully this will not happen again.
Another entry in the "That's Just Bizarre" book of Corvette repairs... Good to hear you got it sorted out!

Mac
 

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