Parking Brake on '99 STS
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Suspension, Brakes and Tires Discussion, Parking Brake on '99 STS in Item Specific Cadillac Discussion; I live in the frozen north (Minnesota) and my parking brake wouldn't go off this morning when I put it ...
  1. #1
    mgjersvik is offline Cadillac Owners Member
    Automobile(s): 1999 STS
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    Parking Brake on '99 STS

    I live in the frozen north (Minnesota) and my parking brake wouldn't go off this morning when I put it in reverse and drive. Is there a way to manually release the cable from the pedal without messing with the actual brake pad/caliper etc?

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS/65500mi, 2004 Ford F150 SuperCab4x4
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    Re: Parking Brake on '99 STS

    PITA - crawl into the driver's footwell with a flashlight and look up in front of the parking brake mechanism - there's a black (some are yellow) tab up in front of the pedal ratchet which manually releases the brake.

    Once a month I start the car with the parking brake released. Put the stick in D and hold the service brake. Depress the parking brake pedal until you feel the mechanism "pop off". Do it again and again, depressing the pedal further each time: this exercises the cables and mechanism. Haven't had a stuck parking brake since 12/05. (If your mechanism is vacuum released, as opposed to solenoid released, you might check the hoses and connectors also.)

  4. #3
    mgjersvik is offline Cadillac Owners Member
    Automobile(s): 1999 STS
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    Re: Parking Brake on '99 STS

    Thanks for the speedy response, Sub! I'll try it tonight and let you know.

  5. #4
    MN_Dude is offline Cadillac Owners Member
    Automobile(s): 2001 Seville
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    Re: Parking Brake on '99 STS

    I have a very similar situation 02 Seville with a stuck parking brake. Of course it just siezed up after i finished tearing off the mainfold to replace the started, so one problem fixed another to solve.

    The parking brake is locked on and does not release when I use the manual release. I can tell that when i pull the car out of park it tries to disengage it so the vacuum appears to be working. I have applied quite a bit of silicone spray to the assembly to no avail yet. Wondering how one goes about unattaching the cable for an imediate fix.

  6. #5
    MN_Dude is offline Cadillac Owners Member
    Automobile(s): 2001 Seville
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    Re: Parking Brake on '99 STS

    Nevermind, I was able to finally get it to release. I continued to spray silicone on all the components but what finally got it to release was using a screwdriver to push on the lever that the switch is connected too. I will be using the monthly break in routine that you outlined so thanks for the tip!

  7. #6
    mgjersvik is offline Cadillac Owners Member
    Automobile(s): 1999 STS
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    Re: Parking Brake on '99 STS

    I found the tab that releases the pedal, and so far so good. I didn't smell any burning brake pad or notice any unusual drag from the rear end so I'm thinking the caliper released. The solenoid for the pedal release is probably shot, but it's an automatic transmission so a parking brake isn't all that necessary. Thanks again for the help!

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