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4/11/14 11:05am - Original Message: 'still playing with brakes 1981 vette'
sparkypsr1
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Lakeland, FL - USA

Vette(s):
1981 T-top Coupe Silver L81-350ci-190hp

Joined: 7/24/2012
Posts: 23

I foundnno brake fluid behindnthe master cyl. itook off left rear caliper and build up of black residue,but no fluid to speak of.since I was getting air in left rear caliper I decided to replace it to see if that has been the problem. I am testing that idea at this time. while I had the car up I looked  at the pads with the car in gear.i saw no pad movement on the right,,however the left rear I saw some movement of the pads.the calipers are spring loaded on this model and the pads are in constant contact with the rotors. I think the left rotor may be a little warped. iwould like to know if I pull the rotor will the emergency brake pads fall out, or are they somehow attatched to the hub inside? ti looks as if the rivets were drilled out for access to the rotor, i'm not sure.can the pumping action of the pads cause air to get into the lines without seeing brake fluid being displcced? I am looking for possible solutions.

thanks,



bill



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4/11/14 1:26pm - Reply: 'Re: still playing with brakes 1981 vette'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19523
Park brake shoes will not fall out with the rotor off. In fact, it's a major undertaking to get them off period. Angry
A warped rotor WILL cause the calipers to act as air compressors, and suck air in past the lip seals on the pistons. Depending on how much air it is ingesting, it may or may not cause the fluid level to rise in the master cylinder. Remember that air is compressible....that's why the pedal feels mooshy when there is air in the brake system. Also, sometimes, if air is getting in, fluid can seep out, especially if the car sits for long periods of time. It may not leave a puddle, but the area around the pistons will be moist/wet with fluid.Unhappy

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 Forums -> C3 Driveline Components
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