Question about 2003 GMC Envoy

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2003 Envoy SLT V8--How can I adjust the parking brake? recently replaced per dealer cable and was very tight, then back at dealer for rotors ,E-brake then very loose. Back to dealer for adjustment=a little bit better but not as tight as when cable replaced. 6-months later, E-brake not holding. what is the procedure so I can adjust it myself?

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The parking brake on your envoy is like a small set of drum brakes mounted inside the "hat" of your rear rotors. To adjust it, remove the rear wheels and remove the rubber cap on the rotor. If you don't have a rubber cap look at the brake backing plate and look for an access plug. Rotate the rotor and look inside towards the top or bottom for a star wheel. Rotate the star wheel like you would if you were adjusting drum brakes. You want a very small amount of drag on the rotor while rotating it. If you get too much drag, rotate the star wheel the opposite direction.

Posted on Aug 06, 2010

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GMC Envoy 2003 SLT only the parking lights and fog lights work. The low beam and high beam don't work. Please help


Well, the problem is that I dont know the reason, you should investigate. There could be issues with lamps (must get new) or electricity problems (must head to auto-service)

Jun 29, 2012 | 2003 GMC Envoy

1 Answer

Why would my emergency brake not hold? I have installed new drums, dealer replaced cable three yrs ago and has not been tight since. I have gone back several times, and had adjustments, what else can be...


Make sure you have lots of "meat" on your brake shoes.
Emergency brakes only apply rear brakes by using shoes against the drum, that are pulled by the cable, that's attached to the emergency brake lever / pedal....and actuated by the driver.

It has to be one of those three components...may have to pull the drum and actuate the pedal / lever to see if the cable spreads the shoes and make adjustments from there.

If your back brakes don't hold...it can also cause the ABS light to illuminate...

Hope this helps...

Aug 27, 2011 | 2003 GMC Envoy

2 Answers

Emergency brake adjustment


There are 2 ways. It has rear drum in hat style brakes, meaning it has pads and rotors for basic brakes, but incorporated in the rotor is a drum with park brake shoes inside. Remove rear pads and rotors, check the condition of the park brake shoes. Tighten the star wheel adjuster while installing the rotor, keep repeating until rotor feels snug pushing on. Repeat other side reassemble. If still doesn't feel tight, there is an adjustment nut on the left rear side on the cable. The nut is where the 2 rear cables meet, it can be tightened. Do not tighten first, if you ever need park brake shoes later they will not allow the rotors to go back on.

Jan 28, 2011 | 2004 Chevrolet Tahoe

1 Answer

GMC 2003 Envoy SLT my back break lights and tailbar lights stay on when I turn the car off. What could the problem be?


This most likely is a bad or incorrectly adjusted brake light switch. The brake light switch is located under the dash next to the brake pedal arm.

Oct 05, 2010 | 2003 GMC Envoy

2 Answers

How do I adjust the handbrake?


The parking brake on most vehicles are self adjusting. If the parking brake is not self adjusting you will to remove the brake drum/rotor and check to see which part is binding. If you wan to simply adjust the parking brake lever to make it tighter there should be an adjusting nut on the cable under the vehicle.

Oct 25, 2009 | 2002 GMC Envoy

2 Answers

How can adjust the emergency brake for my 2004 GMC Envoy...


YOUR MOST LIKELY PROBLEM IS IN THE REAR ROTORS. THE PARK BRAKE AREA WILL RUST INWARD WEARING OUT THE PARK BRAKE SHOE. THE ADJUSTER IS UNDER THE ROTOR ALSO. ONE ON EACH SIDE.

ADJUST THE SHOE OUT UNTIL IT TOUCHES THE DRUM AND THEN BACK IT OFF ABOUT 6-7 CLICKS.

Jul 12, 2009 | 2004 GMC Envoy

1 Answer

Park Brake Adjustment



Park Brake Adjustment (Disc Brake)

Tools Required

j 21177-A Drum-to-Brake Shoe Clearance Gage

Park Brake Shoe Adjustment

Caution: Refer to Brake Dust Caution.

Important: The park brake shoes must be adjusted before the park brake cable tension is adjusted.Set the J 21177-A so it contacts the inside diameter of the rotor
  1. Position the J 21177-A over the shoe and the lining at the widest point.
  2. Turn the adjuster nut until the lining just contacts the J 21177-A. Park brake shoe to brake rotor clearance: 0.6604 mm (0.026 in)
  3. Repeat steps 1-3 for the opposite side.
Park Brake Cable Tension Adjustment

Important: Before you adjust the park brake cable tension, verify that the park brake shoes are adjusted to provide a clearance of 0.6604 mm (0.026 in) and the rear disc brake rotors are installed.

  1. Verify the self adjuster lock-out pin has been removed.
  2. Fully apply and release the park brake pedal 3 times.

Feb 22, 2009 | 2007 GMC Sierra C/K2500

2 Answers

Parking brake pedal goes to floor


Hello;
The parking brake cables may be stretched and in need of adjustment. Follow the cables along to a nut. Then you can tighten the adjusters up on both sides until you have the proper tension. Also make certain none of the brackets are bent or broken that the cables ride through.
Thanks;
RPM Northwest

Jan 19, 2009 | 2003 Chevrolet Suburban 1500

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