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1994 Cadillac Deville How to bleed brake line

Tiny
TORRENCE
  • MEMBER
  • 1994 CADILLAC DEVILLE
  • V8
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
I have just replaced the rotors and pads on the front end but my brakes are still not operating correctly. The brake peddle still goes to the floor. I suspect that I have air in the line but I dont know how to go about bleeding the line. Can you tell me what to look for?
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Wednesday, December 19th, 2007 AT 5:31 PM

3 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Take the cap off the master, any fluid in it> if not fill it then watch for a leak. Is the tires wet on the inside on any wheel? And last, did you pump the pedal to position the caliper pistons?
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Wednesday, December 19th, 2007 AT 5:47 PM
Tiny
TORRENCE
  • MEMBER
  • 2 POSTS
I have done everything you suggested without any success. I dont believe there is a leak the brake fluid is at the same level. I have pumped the peddle it feels like there is just a big rush of air. Is there a valve I can open to let the air out and if so what does it look like? Thanks for any and all help.
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Wednesday, December 19th, 2007 AT 6:17 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
If you did not change any hydraulics, and the pedal goes to the floor, You probably need a new master cylinder. That is if there are no leaks! The other quistion is what color is your fluid? Remove some, put it in a cup, add water, should turn milky, with NO oil bubbles floating on top, I assume only BRAKE fluid was used? I have seen people put tranny fluid in thier brake systems. NOT GOOD!
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Thursday, December 20th, 2007 AT 8:27 AM

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