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Please help, brake issues

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Old Sep 27, 2007 | 01:07 PM
  #1  
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Default Please help, brake issues

Well, I think I am having problems with my rear brakes. When I bought the car, it had numerous issues including the rear brakes not working properly. Well, I got a good used set of rear calipers and rotors. I did have the rotors turned as well. I also when through and bled the rear brakes after swapping out the calipers. The usual, starting with passenger rear first. I also made sure that there is no air left in the line. What I noticed was; I have the car on the lift and I started the car put in drive. The rear rotors are turning even though I have my foot on the brake. When I jam on it pretty hard, it seems to stop. I think there is a problem here. I can see the rear tires pushing me thorough while I am trying to stop.

Is it 60% front and 40% back? Is there an adjustment on the proportional valve? What am I missing?

T I A

Prasad
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Old Sep 27, 2007 | 01:16 PM
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It sounds lie the calipers aren't sliding on the pins when the brake is gently applied. Is it the same on both rear wheels?
Be sure you have the air evuacted out of the system and...did you lube the pins with high temp synthetic grease when you installed the rear calipers?
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Old Sep 27, 2007 | 02:35 PM
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Originally Posted by ittlfly
It sounds lie the calipers aren't sliding on the pins when the brake is gently applied. Is it the same on both rear wheels?
Be sure you have the air evuacted out of the system and...did you lube the pins with high temp synthetic grease when you installed the rear calipers?

Air is all out for sure but I did not lube the pins. Exactly where are these pins?

thanks
Prasad
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Old Sep 27, 2007 | 02:53 PM
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Originally Posted by Wicked V6
Air is all out for sure but I did not lube the pins. Exactly where are these pins?

thanks
Prasad
There are 2 guide pins per caliper. They are installed on the backside of the caliper and have a rubber boot just behind the bolt. The caliper slides (clamping force) via these pins to apply pressure to the rotor. If the pins are dry/defective, the caliper can't smoothly slide to provide the clamping force to stop the rotor from turning...
I hope that makes sense. Do you have a Helms manual for the car..?.

Last edited by ittlfly; Sep 27, 2007 at 02:56 PM.
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Old Sep 27, 2007 | 02:57 PM
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Isnt there a process used with a tech 1 (??) tool to reset the ABS opening some solenoid so the rears can be bled properly?

Dont know if Im wording this properly, but thought Id regurgitate the info anyway.
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Old Sep 27, 2007 | 04:36 PM
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......lots of interesting reading here!;

http://forums.corvetteforum.com/show....php?t=1769573
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Old Sep 28, 2007 | 12:08 PM
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Originally Posted by Da Mail Man
......lots of interesting reading here!;

http://forums.corvetteforum.com/show....php?t=1769573

Thanks, I thought it was just my problem but holy $hit Batman, most of us have issues with brakes. I will post on that thread as well.

Thanks again
Prasad
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