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Buick brakes repair questions and answers

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212 Questions
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  • hroisum
    hroisum - 1995 Buick Park Avenue - Brakes - 2/23/2011
    How do I replace a brake line?
    One brake line front driver side is leaking and the other is completely cut off. Can I repair the leaking one or do I need to replace the whole line? and how do I do either?
     
    • HPI Vorza
      2/23/2011 HPI Vorza
      Yes replace the whole line..

      Inspect the brake line of each wheel and trace the line from the master cylinder to the wheel. The line material is rubber and holds up well from the standpoint of chemical stability to the brake fluid. Rubber lines need extremely close inspection as damage or wear may be difficult to see. At the first sign of wear, have the brake line replaced. It is a good practice to change all the brake lines at the same time.

      Measure out the distance for each brake line. If you make it a practice to replace all the brake lines when one line shows any wear, you can use rubber tubing as the replacement lines. If you are not going to replace all of them, then you should definitely plan to replace the lines with stainless steel lines. The repairman will make a flared fitting on the tubing before the reassembly of the system.

      Begin at the master cylinder and as you disconnect the old brake line, make the new connection with the replacement hose. Follow the path of each of the four lines all the way to the wheel and the end of the brake line. Repeat this process for each of the four brake lines

      Bleed each brake line to remove all the air and refill the system with brake fluid. Test your brakes before taking it out for a drive.
  • r00fus
    r00fus - 1994 Buick Regal - Brakes - 2/23/2011
    Only drivers side brake lights working
    So far, I have replaced the bulbs and brake switch. The turn signals work fine, tail lights are fine bit the passenger side brake lights will not work at all. Any suggestions to what it may be? The sockets appear to be in excellent condition.
     
    • jlofwash
      2/23/2011 jlofwash
      sounds like you have checked every thing,,,,, but the brake lites also work thru the multi function blinker assembly......i dont have abook on the regal, but thats the next place i would check.......................................jl
  • guy
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      Is this the 'actual' brake lights, or the standard tail lights. Some cars now have both the head and tail lights on when the engine is running.
      Go out to the car and have someone look at the lights. Start the engine and see if there is any difference between braking and not braking.
      If the actual brake lights stay on, you probably have a bad brake switch which is located very near the brake pedal.
      J and K AUTOMOTIVE TOWING AND REPAIR
      2/13/2011 guy
      Thanks for answering.. Yes I did start the car and the brake light stay on. So I changed the sensor and yis still doing it. Is there a difrents between a switch and the sensor?
      J and K AUTOMOTIVE TOWING AND REPAIR
      follow your brake pedal up and you will see the switch when you press the pedal the switch goes in to activate the brake lights when you release the pedal the switch comes out and deactivates the brake lights the switch is stuck or broken or just wore out
      J and K AUTOMOTIVE TOWING AND REPAIR
      2/13/2011 guy
      cool I will cheek it out in the morning thanks..
    • jlofwash
      2/17/2011 jlofwash
      the brake light switch at the top of the pedal can probably be adjusted....jl
  • bruce
    bruce - 1984 Buick Regal - Brakes - 2/17/2011
    How to bleed rear brakes has no bleeder valve on rear?
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      all brakes have bleeder valves if you don't see your it might have broken off and you will need to replace wheel cylinders
    • jlofwash
      2/17/2011 jlofwash
      i agree, ive never seen a wheel with out a bleeder,, but you might be able to remove a broken bleeder with an easy out.................................jl
  • fritz mathon
    fritz mathon - 1990 Buick Regal - Brakes - 2/16/2011
    My brake pedal is hard, the brakes seems to barely work for the front wheels. why is that ?.
    my ABS and my brake warning lights are constantantly on. it started two months ago
     
  • bob
     
    • yboy82
      2/14/2011 yboy82
      The you can use box end wrench or a socket wrench (tire wrench for the tires) to loosen the bolts in your brake caliper.
      yboy82
      2/14/2011 bob
      I need more specific information as far as wrench types and sizes. I did a brake job on my Dodge pick up and found I needed a torx wrench to remove the calipers. I'm not familiar with GM products and not sure what type of fasteners they use on the calipers.
    • yboy82
      2/14/2011 yboy82
      You should hand tighten 2 wheel lug nuts to retain your rotor to the hub.
  • Benedicto de Cuba
    Benedicto de Cuba - 1997 Buick LeSabre - Brakes - 2/13/2011
    What could be the trouble when the ABS light on the dashboard is on
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      you will need to have it scanned with an ABS tool get the codes and post them on here so we can help you as to what repairs need to be made.................thank you and good luck
  • lawrence
    lawrence - 1996 Buick Regal - Brakes - 2/11/2011
    Break light don,t work
    i,ve changed fuse and bulbs, switch
     
    • yboy82
      2/11/2011 yboy82
      Try to check for battery voltage and ground at the electrical connector for your headlight.
  • fathippo
    fathippo - 2000 Buick LeSabre - Brakes - 2/8/2011
    Abd code = c1223 what part do i need pn?
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      P1223 - Pedal Demand Sensor B Circuit High Input

      Possible causes
      # Harness or connectors (The TP sensor 2 circuit is open or shorted.)
      # Electric throttle control actuator (TP sensor 2)
      P1223 Description
      Electric Throttle Control Actuator consists of throttle control motor, throttle position sensor, etc. The throttle position sensor responds to the throttle valve movement.

      The throttle position sensor has the two sensors. These sensors are a kind of potentiometers which transform the throttle valve position into output voltage, and emit the voltage signal to the ECM. In addition, these sensors detect the opening and closing speed of the throttle valve and feed the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening angle properly in response to driving condition
    • RC
      2/8/2011 RC
      C1223 = Left rear wheel speed sensor input signal = 0.
      RC
      ty for catching that MASTER RC:)
  • Otoniel Puerto
    Otoniel Puerto - 1989 Buick Reatta - Brakes - 2/7/2011
    Do not have brakes . Can I change the the pump and master cylinder for regular air vacum activated brake booster and mas
    ter cylynder. What your opinion Since the original system does not work well or cannot find replacement parts
     
  • lilmann48
    lilmann48 - 1997 Buick Park Avenue - Brakes - 1/30/2011
    I changed my front brakes and now when I hit a spot on the road it sounds like somethings loose.
    I put two new sets of dics brakes the best one available and now it's like there is something loose in the front of the car. Everything is in place all of the bolts are torque what could it be?
     
    • Nissan Technical Advisor
      Perhaps the brake assembly is good and the loose parts could be in the steering knuckle or suspension arms. Check that out.
  • suell
    suell - 2006 Buick Rendezvous - Brakes - 1/30/2011
    I hear a grinding sound when turn left.
    When my car makes this sound, a light come on saying traction active
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      Do you have all the same size tires with relatively uniform wear on them. Another possibility is a wheel speed sensor that is reading incorrectly and registering one wheel at a different speed than the others. This would require the use of a scan tool that can read ABS data, to track it down
  • Denis
    Denis - 2002 Buick Rendezvous - Brakes - 1/30/2011
    Code0045. Left rear wheel speed sensor circuit malfunction
     
  • mopargurl25
    mopargurl25 - 1993 Buick LeSabre - Brakes - 1/23/2011
    How do you replace brake shoes on a '93 Buick LeSabre? Not familiar with the clips.
    It's not like the typical double spring brakes im used to changing. It has one spring and a clip or clips. I just need to get all put back together. Please help.
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      1
      Secure your vehicle on a level surface, making sure your car will not roll or lean when jacked up.
      2
      Break the lug nuts loose but do not remove. Lift up your vehicle using a floor jack.
      3
      Secure the vehicle with jack stands on both sides for safety before starting any work. Do not rely on the jack to hold the vehicle up while working.
      4
      Remove the lug nuts. Remove the wheels.
      5
      Remove the brake drum. If necessary, back off the star wheel adjuster.
      6
      Clean the brake assembly using a Wet Wipe Method. This method uses a spray bottle with water and detergent. Do not use compressed air to clean the brakes. Inspect the brake shoes for wear or damage.
      7
      Remove the primary and secondary brake shoe return springs from the anchor pin and brake shoes.
      8
      Remove the adjuster cable and spring assembly. Remove the star adjusting screw and thread the adjuster all the way in.
      9
      Remove the front brake shoe retainer. Remove the front brake shoe and parking brake link.
      10
      Remove the parking brake lever from the rear brake shoe. Remove the rear brake shoe retainer and remove the rear brake shoe.
      11
      Apply white lithium grease to the backing plate contact points.
      12
      Install the new brake shoes in the reverse order of removal. Be careful to keep the new brake shoes clean.
      13
      Inspect the brake drum and resurface or replace if necessary. Install the brake drum and adjust the brake shoes.
      14
      Install the wheels. Torque lug nuts to manufacturer's specifications
      15
      Lower vehicle and test drive to verify repairs
  • Angie brumley
    Angie brumley - 1985 Buick Riviera - Brakes - 1/21/2011
    Where can I find a Brake Proportioning Valve for this car?
     
    • J and K AUTOMOTIVE TOWING AND REPAIR
      advance auto parts or auto zone
      J and K AUTOMOTIVE TOWING AND REPAIR
      5/5/2011 bigrichy2
      Wrong. You can not buy proportioning valves at your local auto parts store. The proportioning vavle is a vital part in your brake system that equalizes the amount of fluid to different wheels, especially with front disc/rear drum set up. It also separates the brake system into different parts in case of a failure in any of the individual parts of the system.