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GMC brakes repair questions and answers

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314 Questions
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  • ndees609
    ndees609 - 1991 GMC Sonoma - Brakes - 6/14/2012
    How do i get my blinkers to blink again and my brake lights to work?
    I have a 1991 gmc sonoma. My taillights work as well as my reverse lights, headlights, and marker lights. i have gone in and put all new bulbs in due to some being blown when i got the truck. Now my hazards work in the front of the truck (they blink), but if i turn ...
     
    0 answer
  • C K de Wolff
    C K de Wolff - 1999 GMC Sonoma - Brakes - 6/13/2012
    My brake lights stay on after I have turned of my car.
    The GMC dealer replaced the brake switch last week and it worked for a week and now I am having the problem again. Some times tapping the brake would make it go off but now they are staying on. Back to the dealer and off coarse the lights would not stay on. They ...
     
    0 answer
  • Roxanne
    Roxanne - 2000 GMC Jimmy - Brakes - 6/9/2012
    What would cause a ABS light to come on and make that brakes not to work completely???
    My ABS light keeps coming on and when I put my foot on my brakes the pads don't always grab completely so the car doesn't stop as fast. Had the brake lines done in November and the pads and rotors done in beginning of May.
     
    • Jimm
      6/9/2012 Jimm
      Several possibilities; low brake fluid level, leaking brake fluid, air in the brake fluid or in the system.
      Jimm
      7/31/2012 Roxanne
      Nope bad hubs and abs sensor
  • jason
    jason - 2003 GMC Sierra 1500 - Brakes - 5/26/2012
    My truck pulls to the left when i apply the breaks it corrects it the pass right side pads r worn inner pad only
    Had new tires and 2 front end alighments
     
    • CVO
      5/26/2012 CVO
      Duplicate question, see the answer from the previous post.
  • mulewright
    mulewright - 1991 GMC Sonoma - Brakes - 5/25/2012
    Engine dies when I brake
     
    • CVO
      5/25/2012 CVO
      Check the vacuum brake booster for any leaks.
  • Tom
    Tom - 2005 GMC Sierra 2500 HD - Brakes - 5/20/2012
    I think I have a ABS sensor problem on Left fron wheel
     
    0 answer
  • Lane
    Lane - 1998 GMC C1500 - Brakes - 5/20/2012
    I need a left turn, brake light asembley, where do I get it?
    I have no left turn no brake light no tail light.
  • claude
    claude - 2011 GMC Sierra 2500 HD - Brakes - 5/8/2012
    I have probleme with my integrated trailer brake control . The systeme dosn work propely .I dont have any adjustement.
    I cant adjust its foul brake or noting
     
    0 answer
  • john
    john - 2008 GMC Savana 3500 - Brakes - 5/5/2012
    We changed out a leaky break booster and now its hard to get out of park and no brake lights..if you take your toe and
    push up on the brake light switch on the pedal rod everything works,,i think i might noy have gotten the switch inproperly positioned when reinstalling
     
    • CVO
      5/5/2012 CVO
      Yes, it will need some adjustments.

      Note: Stoplight switch directs current to the stop lights, cruise control, and shift interlock to turn them on or off.
  • Brandon
    Brandon - 2004 GMC Sierra 1500 - Brakes - 5/1/2012
    How often should I replace my brake pads and calipers? My steering tends to steer to the right.
    I've had my tires replaced & balanced and an all wheel alignment. I do know my rear drivers side brake pads seemed rusted and didn't look like they would flow. I had to actually wedge my brake pads out and then replaced them but still I tight fit.
     
    0 answer
  • CamperPuller
    CamperPuller - 2005 GMC Yukon Denali XL - Brakes - 4/19/2012
    Why does the Yukon hesitate when I step on the gas?
    I'm test driving a used Denali XL which I have the chance to purchase for a very good price. However, any time I attempt to accelerate from a complete stop it feels like the vehicle break engages and pulsates for about 5 seconds or so before I can go anywhere. ...
     
    • Jimm
      4/19/2012 Jimm
      Possible Causes of Engine Hesitation or Stumble:

      Dirty fuel injectors (cleaning the injectors often fixes this).
      Bad MAP (manifold absolute pressure) sensor
      Bad TPS (throttle position) sensor
      Bad or dirty MAF (mass airflow) sensor
      Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
      Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • Elizabeth
    Elizabeth - 2005 GMC Jimmy - Brakes - 4/19/2012
    My breaks were replaced and they feel that they sticky when I use them
    The truck also makes a sound when driving slow
     
    0 answer
  • Fidel Flores
    Fidel Flores - 2001 GMC Sierra 1500 - Brakes - 4/5/2012
    Rear disc brake calipers are getting stuck and will not release pads, unless I push piston back.
    veh has 90k miles, everything original, first time replacing brake pads, took veh on Christmas trip, then sat in driveway for 2 months, getting ready to put new tires, checked brakes and noticed pads were very thin on rear. Replaced rear pads, drove a couple of ...
     
    • Bill
      3/22/2012 Bill
      You probably have air trapped in caliper piston cylinders and you need to bleed them.
      Bill
      3/26/2012 Fidel Flores
      I bled the brakes and they are still getting stuck.
    • HouseCallAuto
      3/22/2012 HouseCallAuto
      I have been doing brake jobs for many many years and have done lots of rear brake jobs on GM trucks. The one thing you did not mention that has to be mentioned is whether the caliper slides are moving freely. I always see that these pins, at least one on each side becomes frozen and causes the pads to drag. If you have no issue with these sliders and they move freely, then replace both rear calipers. But, I will tell you that if the pistons move back in freely with a c-clamp and the dust boot has no tears, then the caliper is good.
      HouseCallAuto
      3/26/2012 Fidel Flores
      Calipers move freely on slides, once I push the piston back, they slide freely on pins. any other suggestions, what puzzles me the most that both calipers are getting stuck at the same time
    • HouseCallAuto
      3/26/2012 HouseCallAuto
      I have never seen this happen in all my years to both rear calipers. Is it possible that maybe the parking brake cable is sticking and causing the parking brake shoes to drag? This seems kind of odd that I never saw this happen which really makes me think that the calipers really are not the cause. I guess all you can do at this point ois replace the calipers and see what happens. The master would not do this as it would affect the front brakes first. Both rear calipers cannot fail at the same time. What happens if while it is on jack stands and the calipers are stuck as you say, if you open the caliper bleed screw, does the caliper release?
      HouseCallAuto
      3/26/2012 Fidel Flores
      I opened the bleed screw and fluid leaks out, but calipers will not realease.
    • HouseCallAuto
      3/26/2012 HouseCallAuto
      Replace the calipers and see what happens. Something does not seem right.
      HouseCallAuto
      3/26/2012 Fidel Flores
      just replaced both calipers and it appears to be working ok,
      Thanks for all your advise.
    • Thefloyds2006
      4/5/2012 Thefloyds2006
      We are having the same problem with the front brakes on a 1994 GMC 1500. The passenger front caliper kept locking up and the wheel was getting very hot. So we replaced both pads, discs, rotors and calipers. The left front is still getting stuck. We have bled the brakes twice and are still having problems. Anybody have any other ideas. Thanks
      Thefloyds2006
      4/5/2012 HouseCallAuto
      Replace the brake hoses in the front.
  • Anna
    Anna - 1991 GMC C2500 - Brakes - 4/3/2012
    What is wrong with my driver side tail light
    if I use my blinkers it makes my driver side to stop working. Other times I use my blinker and it will come back on
     
    • yboy82
      4/1/2012 yboy82
      It is possible that there's a loose connection in your lightning system. The light switch operation and should be check. Also check for loose/damaged or corroded wires and electrical terminals, and repair as necessary.
    • cardoctor
      4/3/2012 cardoctor
      There is something called "continuity" in electricity. If one of your light is shorting out or burned out chances are you are going to have a problem. it shouldnt be hard to replace the bulbs.