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Lexus brakes repair questions and answers

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  • jimmy
    jimmy - 1998 Lexus GS400 - Brakes - 1/3/2011
    What is wrong w/ my ABS ?
    the car has 175000 miles, changed brakes but never the rotors. the abs will activate during a normal stop, and only the last 3 seconds b4 the car stops completely. no ABS light on for malfunction. all speedsensors were checked and all normal....
    • Bobby
      1/3/2011 Bobby
      sometimes the abs modules go bad, and how do you know the speed sensors are normal, how were they checked? they may look ok that doesn't mean they are not malfunctioning. Get a scanner hooked up that can read ABS codes, even though light is not on there could be stored codes that may lead to the problem.
      1/3/2011 jimmy
      happy new year to you and thanks for answering the question. it was checked w/ a scanner tool while i was driving, the mechanic was checking the reading while i was driving. how do i check for the abs module?
  • Julie
    Julie - 1995 Lexus LS400 - Brakes - 12/27/2010
    No brakes, have to pump them and still loose brakes after a short red light...
    I have a 1995 Lexus LS400 4door, anyway, i knew that the brake pads needed replacing...the care was given to me about a year ago...the brakes used to make noises when i first used them in the mornng, but would go away... Well unfortunaely i have not worked at all on ...
    • jlofwash
      12/27/2010 jlofwash
      there is only one answer, if you had to keep adding fluid, you definitely have a leak. do you see any wet surfaces by your wheel wells or on the inside of your tires? if so that needs to be fixed first. that fluid has to be going some where. check for wet surfaces and then repost.
  • charles
    • Nissan Technical Advisor
      Need to check the wiring for grounded wire; maybe a difficult task that require a professional electrician.
  • andy
    andy - 2000 Lexus LS400 - Brakes - 11/18/2010
    how do I remove the front break calipers
      11/18/2010 MOONSTER_TOOLZ
      Park your vehicle on a solid level surface. Set the parking brake and chock the rear wheels. Remove the front wheel hub caps if applicable. Using a tire iron, break loose the front wheel lug nuts but do not remove. Using a floor jack, lift up the front of your vehicle. Secure the vehicle with jack stands on both sides for safety before starting any work. The pinch welds or the frame rails are the two best locations. Do not rely on the jack to hold the vehicle up while working. Remove the front wheel lug nuts. Remove the front wheels and set them aside. Inspect the brake caliper for any signs of binding. Look for rust and uneven brake pad wear. Remove the brake caliper mounting bolts (sliding bolts). Remove the brake caliper. Remove the disc pads if they are attached to the caliper. Support the caliper up and away from the working area. Do not allow the caliper to hang by the brake hose. Clean and lubricate the sliding bolts. Attach the disc pads to the new caliper if applicable. Install the new caliper over the brake disc (rotor). Attach the caliper to the mounting bracket with the sliding bolts. Tighten the caliper sliding bolts to the manufacturer’s specifications. Disconnect the brake line from the old caliper. Attach the brake line to the new caliper using new copper washers. Tighten the banjo bolt to the manufacturer's specifications. Repeat for the other side. Bleed the front brakes. Reinstall the front wheels. Snug down the lug nuts. Remove jack stands and lower the vehicle to the ground. Torque the lug nuts to the manufacturer's specifications in a star pattern. Verify that you have a solid brake pedal. Road test the vehicle to check the brake caliper repair is ok.
  • jksule
    • obrienstruck
      11/14/2010 obrienstruck
      From the symptoms you have described it seams like you have warped front rotors, They can be checked with a micrometer and or a dial indicator to check for run out and also the thickness of of rotor's. Most likely time for front brake repairs
  • glover
    glover - 1997 Lexus LS400 - Brakes - 10/25/2010
    Front brake caliper stuck and wont release
    • yboy82
      10/25/2010 yboy82
      It is possible that your brake caliper piston is rusted or debris build up on the brake caliper pistons or in the piston bores. Also check if there is pressure on the brake caliper piston (or on its firm lever (condition) if equipped).
      10/25/2010 glover
      i clean piston and drain the fliud, grease the piston and put it back together and test it out and still sticking and wont release and a few times of testing
      10/25/2010 glover
      anything else that i can do
      10/25/2010 glover
      after cool off , the car will go then get hot ,sticks again
    • yboy82
      10/25/2010 yboy82
      If your piston is made of some type of bakelite, and if they are distorted and/or out of round from age/heat/wedge themselves when they are pushed back in.
      10/25/2010 glover
      just move the car and they released itself after cools off
    • yboy82
      10/25/2010 yboy82
      By the way did you also lubricate your slide pins in you calipers, because if those lose their lubrication they have the possibility to bind and ratchet the calipers down.
      10/25/2010 glover
      no i didnt thanks for all your help.try that tomorrow
    • yboy82
      10/25/2010 yboy82
      In some cases the cause of stuck piston are defective proportioning valve and/or a brake master cylinder.
    • yboy82
      10/25/2010 yboy82
      It is also possible that the cause of your vehicle’s problem is inside your master brake cylinder. When continually applying brakes, the master cylinder heated up and if the rubber seal (primary seal and/or secondary seal) is worn it will expands then the piston on your brake master cylinder stuck up and you have no hydraulic power in your brake system/no pressure to push/operate the brake caliper piston and when it cools down the seal will return to its normal size and allowing you piston in your brake master cylinder to operate.
    • Oxides
      10/25/2010 Oxides
      apply your brakes. this should lock up the caliper again.
      loosen the brake bleeder screw and then see if the wheel will turn. if so then your brake hose is shot.
      10/25/2010 glover
      ok thanks try that tomorrow
  • Theresa Ferreira
    Theresa Ferreira - 1999 Lexus RX300 - Brakes - 10/23/2010
    Why does the parking brake bell ring even though the parking brake is not engaged?
    The parking brake light flickers and the bell rings although the parking brake is not engaged. This problem occurs at any time. Sometimes it is continuous and other times it is on and off.
    • Bill
      10/23/2010 Bill
      Do you always use your parking brake? If so. it sounds like a intermittantly sluggish or sticking indicator relay switch button thats actuated as brake lever or pedal is engaged and sometimes disengages by itself and sometimes not. Sometimes these switches are easy to find and see. If so put a little WD-40 on it first and this may solve your problem..
      10/23/2010 Theresa Ferreira
      Thank you for you help. I will certainly try the WD-40.
  • Heather
    Heather - 2003 Lexus LX470 - Brakes - 10/14/2010
    I disconnected the battery and now after reconnecting the vehical is actiing different.
    when the vehical is put in reverse its like the breaks lock up? Do I need to give it time to reset?
    • Heather
      10/14/2010 Heather
      Nevermind....the center diff. was locked....whew, that was scary....
  • djat49341
    djat49341 - 2003 Lexus GX470 - Brakes - 10/2/2010
    0 answer
  • shay
    shay - 2001 Lexus IS300 - Brakes - 8/24/2010
    When I am coming to a stop the car shakes
    • TechSam
      8/24/2010 TechSam
      Hi Shay, if your front brake Rotors are worped then you will get the shaking, another thing to notice is Do you feel the brake paddle shaking/pulsating? if the answer is yes then you need to have the front rotors machined and brake pads changed. Good luck.
      8/26/2010 monica
      what if the steering wheel shakes only when you drive fast??
  • mom333
    mom333 - 2000 Lexus ES300 - Brakes - 7/17/2010
    What are the best brakes to buy for my lexus
    • tommy t
      7/17/2010 tommy t
      I would stay with toyota parts,even if you dont use the dealership,you should insist on toyota parts.
  • Sandy
    Sandy - 1994 Lexus ES300 - Brakes - 7/4/2010
    Squeeling noise when backing up
    • tommy t
      7/4/2010 tommy t
      what you hear is the brake pad wear indicator contacting brake rotor causing sqeeling noise to alert you to have your brakes inspected before some real & costly damage is done. usually a new set of brake pads will fix you up. good luck
      tommy t
      7/7/2010 Sandy
      Thank you so much for the advice. I really appreciate it and will have the breaks checked. - Sandy
  • ben joseph
    ben joseph - 1999 Lexus GS400 - Brakes - 6/22/2010
    I get a vibration in my steering wheel at low aND HIGH SPEEDS.
    I also cge a grinding feeling from my breaKS BUT THE BREaks are not worn.
    • HouseCallAuto
      6/22/2010 HouseCallAuto
      Try rotating the tires front to rear and then drive it and see how much it changed. If it gose away then you have a bad tire or a bent wheel which you have now moved to the rear which you may not feel because it cannot shake the steering wheel.
  • kim douglass
    kim douglass - 2000 Lexus GS300 - Brakes - 6/19/2010
    How do I bleed the rear breaks
    • HouseCallAuto
      6/19/2010 HouseCallAuto
      If you fill the master, leave the cap off, open one rear bleeder screw and wait like 5 to 10 minutes and you will likely see it gravity bleed iytself. When you see a brake fluid puddle several inches in diameter, close the bleeder and do the other side.
  • Karen
    Karen - 2001 Lexus RX300 - Brakes - 4/26/2010
    There is a small pool of light yellow liquid beneath my car between the back two wheels under the back axle.
    Your site indicated yellow liquid may be brake fluid. Would it leak in the middle underneath the axle or closer to the wheels?
    • HouseCallAuto
      4/26/2010 HouseCallAuto
      If it were brake fluid leaking, by now the master cylinder would be low and / or the brake pedal would feel very different. Check the master fluid level. Maybe the transfer case is leaking or maybe the rear differential is leaking oil from a seal. You said rear between the two rear wheels in the middle so that seems like differential. There is no coolant hoses back that far.
      4/26/2010 Karen
      Thank you for the information.
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