1990 Cadillac Deville Automatic Parking Brake does not rele

Tiny
LIZELLIE1
  • MEMBER
  • 1990 CADILLAC DEVILLE
Brakes problem
1990 Cadillac Deville V8 Front Wheel Drive Automatic

I can not release the parking beake automatically. I have to release it manually by releasing the lever. Can you tell me why it does not release when I take the car out of park. I have allready replaced the brake release switch and it still does not work. Please help!
Thank You
Saturday, April 10th, 2010 AT 9:23 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Are you talking about the brake release switch on the column? There is a vacuum actuator on the park brake pedal assembly, verify it is getting a vacuum signal when the shift lever is moved from park. If it is, replace the vacuum actuator.
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Sunday, April 11th, 2010 AT 1:05 AM

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