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Old 05-24-2007, 11:49 AM
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Brake pedal won't return

I'm in the process of bleeding my MC while it's on the car, but I've noticed that once I depress the brake pedal it stays there. Shouldn't it return to the upright position or is this normal? I've done away with the brake booster and I'm using a manual brake setup. I don't think it matters, but it's on a '79 Trans Am 400/4spd. Thanks.

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Old 05-24-2007, 02:11 PM
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You'd better check to see if the pushrod is binding in the bore. Sometimes the power brake setup has the pushrod go in on a slightly different angle than manual brakes , so when you removed the booster you may have put the MC in a position that allows the pushrod to bind against the casting or bracket. Also, check to see if you have a deep recess piston that is needed manual brakes. The MC for a power booster has a shallow recess for the pushrod in it's piston...

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Old 05-24-2007, 04:51 PM
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just a thought

I just did the brakes on my 66 and they bled out ok but when i used them they did the same this I had to pull them off/up with my toe.

The cause? i had the lines backwards the front was going to the part of the master cylinder meant for the rear, sometimes its the things you least think of .

Brian kc0kfg
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Old 05-24-2007, 08:58 PM
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Powerrod, you nailed it, it was binding, I drilled a hole higher on the pedal and everything works fine now. Thanks.
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