MY 1992 CADILLAC DEVILLE BRAKES DO NOT WORK

1992 Cadillac Deville

Tiny

sean03

April, 17, 2012 AT 7:47 PM

My 1992 cadillac deville brakes do not work. I shifted from park to drive and the car took off. The brakes were completely locked up. The pedal for the brakes felt like a brick it would not work. I had to shift it into park so it would stop. I have a automatic transmission. I changed my master cylinder and break booster almost one to two months ago. I also can not get my brake drum on the right rear side. Thanks.

9 Answers

Tiny

fixitmr

April, 17, 2012 AT 9:08 PM

Rock hard pedal indicates booster not functioning.

Tiny

sean03

April, 17, 2012 AT 9:10 PM

What about it taking off. Im not touching the gas and it just goes.

Tiny

fixitmr

April, 17, 2012 AT 9:18 PM

Idle too high?

Tiny

sean03

April, 17, 2012 AT 9:36 PM

How do I fix that. When I turn it on it revs up and it never use to do that. Thanks.

Tiny

fixitmr

April, 17, 2012 AT 9:39 PM

2 problems may be related. A big vacuum leak would make booster fail and car rev.

Tiny

fixitmr

April, 17, 2012 AT 9:40 PM

Check booster hose itself.

Tiny

cadieman

April, 17, 2012 AT 10:14 PM

Push off and warmer buttons on the a/c panel untill u see all the segments light then release it will start going through all the cpus write down the codes and come back.

Tiny

sean03

April, 17, 2012 AT 10:20 PM

No error codes I checked for that today. The hose is on the brake booster. I thought for sure I would find a code today but I didn't

Tiny

cadieman

April, 18, 2012 AT 4:12 PM

Unplug it and test the vac. On the hose with a gauge!

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