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Posted on May 05, 2009
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My parking brake is sticking on my 2004 gmc sierra When i pull the parking brake release lever the brake fully disengages but the dash light "!" does not go away and once you start moving the warning bell starts chimming. It gets very annoying very quickly. Help!

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  • GMC Master 6,982 Answers
  • Posted on May 05, 2009
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Either the switch on the lever is not adjusted or is going bad, or the return spring is weak. You could try spraying the cables where they enter the outer coverings with wd 40 or other spray lube and making sure that the cables are not hanging up as well. (good to do once in a while anyhow as maintenance)

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  • Contributor 3 Answers
  • Posted on May 13, 2009
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I HAVE FOUND THAT MY CUSTOMERS SOMETIMES EXIT THE VEHICLE AND THEN SET THE PARKING BRAKE THIS COULD MISALIGN THE COPPER SWITCH [HARD TO SEE OR REPLACE] THAT IS BEHIND THE GEARED RATCHET OF THE EMERGENCY BRAKE. TRY WITH A FLASHLIGHT TO FIND THE COPPER SWITCH AND GENTLY RE-ALIGN TO MAKE CONTACT WHEN THE BRAKE IS FULLY OFF, OR ADJUST THE ONE SMALL BOLT TO REALIGN. YOU CAN, BUT NOT ADVISED TO TAKE A FLAT HEAD SCREW DRIVER AND GENTLY SEPARATE THE CONTACTS TO THE SENSOR, WHICH WOULD SHOW THE PARKING BRAKE IS NOT ENGAGED [ALWAYS] AND STOP THAT CHIME. BUT IF YOU DO, TAKE IT IN AND HAVE THE SWITCH REPLACED BY THE GM DEALER, OTHERWISE YOU COULD DRIVE WITH YOUR PARKING BRAKE 'ON' CAUSING HARM TO YOUR BRAKES...

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How do i override the parking brake on a 1993 F700

To override the parking brake on a 1993 F700, you will need to disengage the brake manually. Here are the steps to follow:
  1. Locate the parking brake lever inside the cab of the vehicle. It is typically located near the driver's seat, on the floor or the dashboard.
  2. Pull the parking brake lever up to the fully engaged position. This will disengage the brake and allow you to move the vehicle.
  3. Start the engine and shift the vehicle into gear.
  4. Slowly release the parking brake lever, allowing the brake to engage gradually. Do not release the lever too quickly, as this can cause the vehicle to lurch or jerk.
  5. Slowly drive the vehicle, testing the brakes to make sure they are working properly. If you experience any problems or issues with the brakes, you may need to have them checked or repaired by a qualified mechanic.
Overall, to override the parking brake on a 1993 F700, you will need to disengage the brake manually by pulling up on the parking brake lever and releasing it gradually. Make sure to test the brakes before driving the vehicle to ensure they are functioning properly.
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Usually this means one of two things. Your parking brake is still applied and your shifter is not in park...or, your parking brake is not fully retracted and not touching it's fully retracted limit switch. Cycle your parking brake several times with the vehicle off. When you release it let it disengage fully. Start the vehicle and put it in gear but don't travel (foot on regular brake). If your parking brake is fully disengaged then your dash light for the parking brake should be extinguished. If you STILL have this problem then your limit switch needs to be adjusted or replaced.
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Hi Barbara:
I'm guessing that when you pull the release handle it moves, but nothing happens.
Odds are that whay has happened is that the cable has come out of the release lever, Or, the cable sheath has slipped out of its retaining slot.
Either way, you have two things to do:
1) Get mobile so you can go home. To do this, put it in park or low gear with the motor off. You will need to access under the dash where the release mechanism is located. Use a pair of pliers (or whatever else will work) to pull or pry the release lever away from the firewall (towards the seat. The parking brake will release.
2) Go home (or wherever, just don't use the parking brake.
3) Repair the brake:
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- connect the cable to the release lever
- Re-install the cable sheath into the slot.
Ta Da!!!!
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