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8/14/10 3:54pm - Original Message: 'Chattering/ knocking rear brake when brake is applied'
JC VETTE 70
Standard Member
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, - Canada

Vette(s):
70 VETTE 350/300HP, AUTOMATIC, ALL STOCK EXCEPT FOR MILD CAM,LAGUNA GREY, 3:55 POSI GEARS

Joined: 3/9/2008
Posts: 159
Just noticed a few days ago at low speed and apply the brakes a get a chatter or knocking sound on right rear. I removed tire and noticed the outer brake pad has a lot of play, what can i do to eliminate the chatter sound. I have seen some plastic inserts you can buy are there any other solutions. Thanks

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8/15/10 10:28am - Reply: 'Chattering/ knocking rear brake when brake is applied'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
Their should not be much play in the pad you may have a stuck piston of the caliper, have someone step on the beaks to see if then the break pad has presure on it fron the piston to see if it is moving.

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Bob R
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8/15/10 11:53am - Reply: 'Chattering/ knocking rear brake when brake is applied'
Martins Vet
Former Member
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Vette(s):
1980 Silver. Complete Edelbrock performer package. TRW rear spring, new shocks. New Firestone Firehawk tires, Shift kit

Joined: 5/16/2010
Posts: 14
I just had a stuck piston on the right front.  The car pulled considerably hard to the left, at the same time I also noticed a high pitch squeel while driving (no brakes applied), I decided to completely re-build the entire front end brake system including bearings, calipers, rotors and semi metalic pads.  Works great now.
Another thing to check would be the parking brakes since it is the rear on yours, make sure they are not hanging up and the cable is free.
 
 


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1980 Corvette
Complete Edelbrock Performer package
TRW rear spring
KYB Gas Adjust Shocks
Headers & True Dual exhaust
Firestone Fire Hawk 255 60 15
Shift Kit


"vetgnwld"
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8/15/10 7:12pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
JC VETTE 70
Standard Member
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, - Canada

Vette(s):
70 VETTE 350/300HP, AUTOMATIC, ALL STOCK EXCEPT FOR MILD CAM,LAGUNA GREY, 3:55 POSI GEARS

Joined: 3/9/2008
Posts: 159
Thanks for the reply, I will take a better look tomorrow, will keep you posted.

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8/15/10 10:02pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
dskopp
Former Member
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Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1956
You should not have play.  That is not normal.  Check springs and parking brake and brake shoe.
Dan


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8/15/10 10:05pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
JC VETTE 70
Standard Member
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, - Canada

Vette(s):
70 VETTE 350/300HP, AUTOMATIC, ALL STOCK EXCEPT FOR MILD CAM,LAGUNA GREY, 3:55 POSI GEARS

Joined: 3/9/2008
Posts: 159
The calipers are only 1 year old. if i press the brake hard there is no chattering

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8/15/10 10:10pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
dskopp
Former Member
- Send Private Message


Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1956
What about the Parking Brake shoes and Hardware????

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8/15/10 10:27pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
JC VETTE 70
Standard Member
- Send Private Message


, - Canada

Vette(s):
70 VETTE 350/300HP, AUTOMATIC, ALL STOCK EXCEPT FOR MILD CAM,LAGUNA GREY, 3:55 POSI GEARS

Joined: 3/9/2008
Posts: 159
I will take a better look tomorrow.All four pistons seemed fine, just some play  side to side on outer brake pad. Maybe its not the pads?

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8/16/10 8:27pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
JC VETTE 70
Standard Member
- Send Private Message


, - Canada

Vette(s):
70 VETTE 350/300HP, AUTOMATIC, ALL STOCK EXCEPT FOR MILD CAM,LAGUNA GREY, 3:55 POSI GEARS

Joined: 3/9/2008
Posts: 159
Checked the pistons, they looked fine, took the pads out put the two back to back and noticed the outer one was slightly shorter in length. Switched the two pads back into the caliper and problem was solved.Smile 

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8/16/10 9:46pm - Reply: 'Chattering/ knocking rear brake when brake is applied'
dskopp
Former Member
- Send Private Message


Oak Creek, WI - USA

Vette(s):
1981 Great White Shark. Red Interior, 350/190hp. PS, PB (SS), A/C CC, T-Tops, Going to remain as Stock as possible. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vetts Car Club. 175,000 Original miles!!

Joined: 5/21/2008
Posts: 1956
Thats the ticket !!!!Thumbs Up
Dan


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