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Jeep brakes repair questions and answers

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287 Questions
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  • mek716
    mek716 - 1994 Jeep Grand Cherokee - Brakes - 11/19/2014
    Brake pedal is hard and brakes can not be bled why?
    brakes were soft and spongy and pedal would slowly drop at a stop narrowed the cause down to the master cylinder replaced master cylinder and bench bled the new one before installation. now the pedal is rock hard and i can not bleed the brakes at all on the vehicle ...
    • techpaddle
      11/19/2014 techpaddle
      It is vital to check and adjust the push rod on the booster before mounting the new master. If it is too far out, it will apply the brakes but will not retract enough to release them.
      11/19/2014 mek716
      i dont think the brakes are being applied at all because when i press the pedal it is hard and at the top but the tires can still be spun also i am not getting any fluid at the master cylinder when pumping the brakes and cracking the lines at the master
  • comanche
    comanche - 1988 Jeep Comanche - Brakes - 10/11/2014
    Where does second rear brake line go near rear axle? With height postioner system.
    2 steel brake lines go to the rear from front valve, one to the height position valve. That one is hooked up correctly to rear height valve, and then rusted off again going to axle hose. No problem there. Where does the second steel brake line go on the rear. It ...
    0 answer
  • joe
    joe - 2001 Jeep Grand Cherokee - Brakes - 9/22/2014
    Abs light stays on did rear brake job
    did complete rear brake job
    • joe
      9/22/2014 joe
      abs light stays on
  • Kevpie
    Kevpie - 1980 Jeep CJ7 - Brakes - 9/2/2014
    Jeep front disk brakes locking up
    107k miles. '78 CJ7. The front brakes were locking up. I changed both calipers, hoses, and bearings. Bled and still locked up. Replaced master cylinder "manual " bled lines and still locks up. I can relieve the bleeder valve and both sides (driver and passenger) ...
    • Performance R & D LLC
      try this build brake pressure open the line at the master cylinder if fluid flows out and caliper release then everything from the open line to the caliper is open and working fine. then open at the proportion valve line.
      hope this helps
      Performance R & D LLC
      9/3/2014 Kevpie
      I have already tried both suggestions and I have gotten flow at both locations. The only thing I haven't changed is the proportal valve. Would you have done that as well. Next question is is there an adjustment to the valve or just replace it?
  • Kevpie
    Kevpie - 1980 Jeep CJ7 - Brakes - 8/20/2014
    Front brakes (disk) are locking up.
    107k miles. '78 CJ7. The front brakes were locking up. I changed both calipers, hoses, and bearings. Bled and still locked up. Replaced master cylinder "manual " bled lines and still locks up. I can relieve the bleeder valve and both sides (driver and passenger) ...
    0 answer
  • Tom Carter
    Tom Carter - 2007 Jeep Grand Cherokee - Brakes - 8/12/2014
    There is a leak on the driver side near the rear door. The brakes are going to the floor when pressed. What is this?
    The fluid leak appears to be brake fluid. It is leaking out of a channel that runs under the Jeep to the back end.
  • cr
    cr - 2001 Jeep Grand Cherokee - Brakes - 8/11/2014
    Long brake pedal travel after brake lines were replaced.
    It has about 125,000 miles. I had the rear caliper hose replaced because it was locking up the caliper. A few days later I also had the main metal line replaced for the rear brakes. Ever since the lines were replaced it feels like the brake pedal travels very far ...
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Jeep Commander - Brakes - 8/10/2014
    Brake lights stay on when engine is off
    Brake lights stay on and service 4wd light on, and other dash lights stay on.dash lights stay on when driving Brake lights stay on when engine is off and sometimes flash
    0 answer
  • AutoMD Member
    AutoMD Member - 2007 Jeep Commander - Brakes - 8/8/2014
    Brake problem need help
    brake light on ABS light on anti-skid light on and any and esp or something like that light on
  • ajay
    ajay - 2005 Jeep Liberty - Brakes - 7/23/2014
    How do I replace the valve stem for my tire?
    I realized the front tire had no air so I tried to fill the air but the valve is broken. Any suggestions or advice ?
    • Jimm
      7/23/2014 Jimm
      Place the spare on the front tire, take the front tire with the faulty valve stem to a local tire store for a replacement valve stem - should cost no more than a few dollars.
  • AutoMD Member
    AutoMD Member - 1999 Jeep Grand Cherokee - Brakes - 7/5/2014
    My vehicle's brake lights work until I cut on the headlight switch, then the brake lights won't work. What can cause th
    What can cause the brake lights to quit working when I turn on the headlight switch?
    • jdl
      7/4/2014 jdl
      Maybe your tail lamps have a faulty ground?
    • Jesse
      7/5/2014 Jesse
      check fuses an headlight relays. could be bad ground wires for tail lights.bad head light connectors.
  • AutoMD Member
    AutoMD Member - 1996 Jeep Grand Cherokee - Brakes - 6/17/2014
    Odor and heat from left rear wheel.
    255,000 miles. After driving highway speeds for an hour or so, I detected an odor similar to hot rubber or electrical. I tracked it to the left rear wheel/tire. Strong odor in wheel well and the wheel itself was very warm to the touch. My mechanic suspected a ...
    • HouseCallAuto
      4/13/2014 HouseCallAuto
      Use an infrared thermometer to read actual temperature of the suspected problem wheel and compare it to the right rear temperature. You can get one of these cheap from harbor freight for like $15 . You may be right but if your mechanic did not see any evidence of something wrong upon inspection of said problem wheel, then maybe the cause lies elsewhere, like maybe a plastic trash bag that has been caught on and then melted in place on a hot component of the exhaust system. Seen this many times and there is always a delay in smelling it because it takes time to heat up and begin to give off the odor.
    • AutoMD Member
      6/17/2014 AutoMD Member
      check your axle shaft and the u-joint it could cause the same problem. and your brakes could be locking i would check the brake lines may need to be bled.
  • AutoMD Member
    AutoMD Member - 2008 Jeep Liberty - Brakes - 5/11/2014
    Brakes locked up on highway
    Hi ! Please could you help me? I have a Jeep Liberty 2008 north edition, automatic, 62700km-.39000miles. I was driving on the highway, and then the jeep started vibrate slowly and then stronger, with some resistance on the gas pedal. I drove out and park. Then ...
    • CVO
      5/11/2014 CVO
      Raise and safely support the vehicle.Look under the vehicle, check the both brake calipers and see if they're still remain in their support brackets. If they're intact in their support brackets, then the problem is in the brake booster input rod bad installation.Get help from a professional mechanic.
  • rlarson2010
    rlarson2010 - 1995 Jeep Grand Cherokee - Brakes - 4/4/2014
    How do I stop brake fluid leak, where brake line connects to caliper?
    I just replaced both calipers, now both leak fluid. I tried to tighten and not any luck.
    • HouseCallAuto
      4/4/2014 HouseCallAuto
      This is going to be hard to answer but I will say that because it is happening to both calipers it is obvious that you are doing something wrong, meaning there is not faulty parts. I will assume that the parts you used are the same as what you removed? The brake hoses attach with a bolt and two copper washers. maybe you have the ends of the hoses upside down at the calipers? maybe the hose is indexed at the wrong angle? Maybe no copper washers?
  • tom
    tom - 1999 Jeep Cherokee - Brakes - 3/10/2014
    1999 jeep cherokee sport
    changed front calipers rotors and pads bled front brakes several times no air showing upon starting vehicle brake pedal goes to floor. did not do this with the old brakes??
    • Jimm
      3/10/2014 Jimm
      Perform the brake bleeding for all four (4) wheels - not just the front brakes. Once the front brake hydraulics are opened for the new calipers - the entire system must be bled. Begin the bleeding with the wheel furthest from the master clyinder, then next closer, etc.

      This procedure should resolve the issue. Reference the 'How-To-Guides' feature on the AutoMD website.
    • HouseCallAuto
      3/10/2014 HouseCallAuto
      I have seen brake calipers get installed backwards by mistake. Left side mounted on the right and right side mounted on the left which would position the bleeder screw not at the highest point and hence will never get the air out. Confirm that is not the case here. If that is not the cause you are bleeding it wrong or you have a hole in a steel brake line and brake fluid is leaking out when the pedal goes to the floor or the master cylinder decided to go bad just now (unlikely).