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Old 09-03-2003, 12:15 PM
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78 Nova, 79 T/A rear disc

Hello, I did a search on rear disc brakes, but nothing was too specific for what I have, although it did give me a few other ideas to check out for my application.

The vehicle is a 1978 Nova Coupe with 1979 Trans-Am rear disc brakes. I have the master cylinder and proportioning valve from the Pontiac. The emergency brake is not setup as the cables were too long. Are the '79 T/A rear disc brakes needing to be adjusted with the e-brake hooked up?

My question is, how do I get the e-brake working again and does this affect how the brake pedal itself acts, ie: going all the way to the floor. I have 16 inches of steady manifold vacuum.

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Old 09-03-2003, 02:16 PM
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Your pedal is going to the floor either because of a leak or air in the system. If you pump the brakes, does it build up pressure?

The parking brake cables won't have any effect on the brake adjustments, but there's no adjusting to disc brakes.

Since the cable is too long, take a look at the way it's set up. There should be a point where the both the cables go into a bracket. Look to see how they are on there. Hook up the whole cable assembly (from the cable in the car to the bracket) and make the cables shorter. The slack can be taken out with the bolt on the bracket, all you have to do is tighten it. I know that doesn't sound like too much help, but it should be pretty self explanitory when you are looking at it. Good luck!
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