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Rotors and brake pads - 2007 Lexus IS 250

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Go to auto zone rotors $30.00 E pads $22.00 set 1 axel

Posted on Mar 21, 2011

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4 Answers

Steering wheel shakes at high speed when brakes are applied


This is caused by the front disk brake rotors being warped from heat and running out of true, the wobble of the warped rotors causes the wheel to shake when you apply the brakes, it is worse the higher the speed you apply them at. Have the front rotors machined flat again or just replace them.

Mar 16, 2011 | 1998 Toyota Camry

2 Answers

Rotors keep warping


Could be a number of problems. Here are a few.

Defective Brake Pads
  • Brake pads that are defective and/or incorrectly installed can, over time, cause brake rotors to warp and become damaged. Brake pads are responsible for squeezing against the spinning brake rotor, an action that causes a vehicle to slow down or stop. If the brake pads are bent, misshapen in any way, or aligned and/or installed abnormally, they can exert abnormal pressure on the brake rotors, a condition that can cause brake rotor warpage over time.

  • Abnormal Brake Caliper Action
  • An abnormal or malfunctioning brake caliper can result in brake rotor warpage if the degree of brake caliper dysfunction is severe enough. A brake caliper houses a set of vehicle brake pads and provides the squeezing force necessary to squeeze the brake pads against the spinning brake rotor. If a brake caliper applies too much pressure to the brake pads, or if it applies pressure inconsistently, it can cause a brake rotor to warp over time. Adequate brake caliper action is necessary for optimizing brake pad and brake rotor function.

  • Excessive Heat
  • A vehicle's braking system generates a tremendous amount of friction-related heat, heat that normally gets radiated away from the brake pads and brake rotor mechanisms. However, in cases where excessive heat is generated within a braking system and not dispersed adequately, serious brake malfunctions can occur, which can include brake rotor warpage. A stuck brake caliper, old, worn-down brake pads, or a defective brake rotor can cause excessive heat to develop in or around a brake rotor, which can cause brake rotor damage and warpage.

  • Damanged Wheel Hub Spindle
  • A brake rotor assembly is supported by and rides on a long, slender metal tube called a hub, or wheel hub assembly. The hub is what allows for the smooth, even circular motion of the spinning brake rotor. Designed with a smooth, low-friction exterior, the wheel hub assembly is critical to the proper spinning motion of the brake rotor. Any abnormalities or defects with the wheel hub assembly, including hub warpage, cracking or misalignment, can cause abnormal brake rotor rotation, which in turn can cause brake rotor warpage over time. Normally, a damaged wheel hub assembly is noticed and remedied prior to extensive brake rotor damage, as a severely damaged wheel hub assembly will cause a vehicle tire to wobble and shake.
  • Feb 04, 2011 | 2004 Jeep Grand Cherokee

    1 Answer

    How can I change the rotors and brakes on a 2006 Cadillac?


    Front brake
    Step 1: Identify Front Disc Brake Components
    brake_pads_rotor.jpg
    Front Wheel Drive Brake Assembly
    Most front disc brake components include: brake rotor, brake pads, brake caliper, caliper mount and brake flex hose. Brake service usual occurs between 20,000 and 40,000 miles depending on driver habits, road conditions and brake pad/ rotor materials used.
    Step 2: Remove Brake Caliper to Replace Pads
    brake_pad_set.jpg
    Removing Brake Caliper Mounting Bolts
    Locate primary caliper mounting bolts; apply wrench pressure counter-clockwise (When looking at the head of the bolt) to remove the bolts, upper and lower. Make sure the bolt threads are in good shape and replace if necessary.
    Step 3: Remove Front Brake Caliper
    remove_brake_caliper.jpg
    Remove Front Brake Caliper
    After removing the primary caliper mounting bolts lift the brake caliper off of the rotor and then tie or secure to the side, being careful not to bend or kink the brake caliper flex hose. Thoroughly inspect brake caliper and brake hoses for leakage, cracks or chaffing and replace as needed. Next remove the brake pads (If not mounted in the caliper) and secondary caliper mounting bolts. Notice how great protective gloves work, most technicians use them on the job today.
    Step 4: Remove Brake Pads
    remove_brake_pads.jpg
    Remove Front Brake Pads
    Once the brake pads have been removed, make sure if there is anti rattle hardware to transfer to the new brake pads. Some brake pad manufacturers will include the proper lube (Caliper slides) and anti-rattle hardware to ensure proper performance of their product.
    Step 5: Remove Caliper Mount
    remove_brake_pads_holder.jpg
    Remove Caliper Mount Bracket
    Finish removing secondary caliper mount bolts and remove caliper mount. Note: clean and lube caliper slides and pad friction surfaces of all foreign material or build-up.
    Step 6: Remove Brake Rotor
    brake_rotor.jpg
    Remove Brake Rotor
    With the caliper mount out of the way you can now remove the brake rotor. Sometimes it can get stuck so you may need to tap it with a hammer or use penetrating oil to free it up. Some manufacturers use small screws to hold the rotor on as well. Clean and inspect wheel studs, replace if any are damaged. Also clean bearing hub rotor mount surface to ensure the proper mounting of the new brake rotor. Inspect the ABS sensor wheel for cracks or damage and replace as needed.
    Step 7: Depressing the Brake Caliper
    compress_caliper.jpg
    Resetting Brake Caliper
    To install the new brake pads you must retract the brake caliper piston. Remove the master cylinder lid or open the brake caliper bleeder screw to allow excess brake fluid to be released if necessary. Install C clamp tool and gently tighten clamp until caliper piston is fully depressed. Note: use old brake pad to protect the caliper piston. Close the bleeders once the piston is retracted completely
    Step 8: Installing New Brake Rotor
    new_brake_rotor.jpg
    Install Brake Rotor
    Install new brake rotor, the new rotor is manufactured with a protective film over the rotor to keep it from rusting, remove protective film with brake cleaner before installing; also after the brake job is complete you may experience a small amount of smoke from the rotor when first used. This is normal and will go away after the first couple of uses.
    Step 9: Installing New Front Brake Pads
    new_brake_pads.jpg
    Installing New Brake Pads
    Reinstall the front brake caliper mount, and then install front brake pads. Make sure the pads are seated properly in the caliper mount; it must be a close fit to work properly..
    Step 10: Reinstall Front Brake Caliper
    front_brake_rotor_pads.jpg
    Re-Install front Bake Caliper
    Reinstall front brake caliper and reinstall caliper-mounting bolts, recheck all mounts and mounting bolts. Check the caliper slides to be sure there is no bind and that the caliper moves freely back and forth on the caliper slides. Bleed brake system per manufacturer's specifications to relieve any air trapped in the system. Before driving the vehicle, push the brake pedal down and let it up slowly, repeat until normal brake pedal operation resumes, this operation is forcing the brake pads to travel to the brake rotors.

    Dec 18, 2010 | 2006 Cadillac STS

    2 Answers

    My 1998 ford escort brake peddle started pulsing and then a noise. Checked fluid, not down any fluid, and no leeks, just feels like I can not stop well., No ABS lite til yesterday, then it came on after...


    Normally a "pulsing" brake pedal means that that you have a warped brake rotor or the brake caliper is lose. I would start by taking the front wheel off and inspecting the brake pads and the rotor. If the brake pads are worn down bad replace them. Pay special attention to the brake rotors also as if the are grooved very bad, they should also be replaced.

    Nov 15, 2010 | 1998 Ford Escort

    3 Answers

    I've had the rotors and pads replaced on my 2006 Toyota Tacoma Pre-runner and the front brades brakes still squeal when braking lightly. I have switched to the premium pads and rotors. What else can be...


    Are the leading edges on the brake pads bevelled at an angle or are they flat on the brake rotors? There seems to be a problem with Japanese brake rotors (something about the harmonics) and they will sometimes squeal (even with new brake rotors and pads) if the leading edges on the brake pads are not bevelled at an angle. Most of the auto repair shops that I have worked at will only install bevelled edge brake pads on foreign vehicles, especially if they are Japanese imports. If the brake pads do have the edges bevelled then most likely dust has found its way between the brake pad and the brake rotor, and brake dust contamination is the #1 reason for a brake squeal come-back, and that is why a good repair facility will always clean the entire brake assembly including the backing plate for the brake rotor. Also, the brake caliper guides should be able to slide freely in and out of the brake caliper but they should not be sloppy either, and the brake caliper guides should be lubricated with a synthetic brake caliper grease only. The caliper guides should be able to slide freely in the brake caliper and if they do not the brake will not properly release.

    If the brake calipers have phenolic (plastic) brake pistons then get rid of them for brake calipers with metal brake pistons.

    Here is an image of the two different brake pad designs.


    d8c9f51.jpg

    Aug 03, 2010 | Toyota Tacoma Cars & Trucks

    1 Answer

    Replace rear brake pads


    Rear disc brake pads offer better performance and are not as affected by moisture like conventional brake shoe style brakes are. Rear disc brakes are similar to front disc brakes. The main difference is that rear disc brake systems must incorporate the emergency brake system. There are two methods widely used for the emergency brake with rear disc systems. The first system is a brake shoe inside the brake disc that is actuated by the emergency brake lever. The second is a screw style actuator inside the brake caliper. When activated the brake pads are forced into the brake disc and held tightly by the emergency brake lever.
    READ COMPLETELY BEFORE STARTING
    Step 1 - Identify Rear Disc Brake Components
    rear_brake_pads.jpg Rear disc brake assembly includes; rear brake disc, rear brake pads, brake caliper mount and a caliper mounting screw. (Note: Some vehicles do not have the rotor mounting screw.)
    Step 2 - Removing the Rear Brake Caliper Mount Bolts
    rear_brake_pads_2.jpg To replace rear brake pads and rotors the rear brake caliper needs to be removed. First loosen the rear brake caliper mount bolts and remove them. Turn counter clockwise.
    Step 3 - Lift Rear Brake Caliper from The Caliper Mount
    rear_brake_pads_3.jpg After the caliper mount bolts have been removed, gently lift the brake caliper from the caliper mount. Inspect the caliper slides; they should move freely in the caliper mount. Remove rear brake pads and hardware.

    Step 4 - Removing Caliper Mount Bolts
    rear_brake_pads_4.jpg With a socket wrench or other appropriate removal tool, loosen the rear brake caliper mounting bolts. Remove bolts and lift the caliper mount and remove it from the vehicle. Remove the retaining screw from the disc mounting hole. Tap the rotor gently to release any rust that has accumulated between the rotor and bearing hub. Lift brake rotor from wheel hub holding on tightly, using both hands. You do not want to drop the rotor.

    Step 5 - Removing Rear Brake Rotor
    rear_brake_rotor.jpg Remove the retaining screw from the disc mounting hole, tap the rotor gently to release any rust that has accumulated between the rotor and bearing hub. Lift brake rotor from wheel hub, hold on using both hands and do not drop.

    Step 6 - Install New Brake Rotor
    rear_brake_rotor_2.jpg Check the new rotor against the old brake rotor to make sure they are the same size. Clean the mating surface on the wheel hub before the new brake rotor is installed. Reinstall rotor retainer screw.
    Step 7 - Reset Rear Brake Caliper
    rear_brakes_7.jpg Before new brake pads can be installed, the rear brake caliper must be reset. The reset tool winds the piston back into position so the new brake pads will fit. This style of brake caliper will not compress with a clamp tool; it can only be reset with the proper reset tool.
    Step 8 - Reinstall Rear Caliper Mount and Install New Rear Brake Pads
    rear_brake_rotor_3.jpg After the caliper has been reset, reinstall caliper mounting bolts and make sure the bolts are tight. Then match up the old brake pads to the new brake pads. They should be exactly the same except, of course; the old ones will be worn out. Check the new brake pads for proper fit and install any brake hardware that is required.
    Step 9 - Remount Rear Brake Caliper
    rear_brake_rotor_4.jpg Reinstall the brake caliper, align brake pad hardware and reinstall caliper mounting bolts. (Note: align the rear peg of the brake pad to the groove in the caliper piston.) Recheck and retighten all caliper and caliper mount bolts. Bleed brake system to relieve any air in the system. Before driving the vehicle, push the brake pedal down and let it up slowly. This operation forces the brake pads to travel to the brake rotors. DO NOT DRIVE VEHICLE until proper brake pedal operation resumes. When test driving vehicle listen for any unusual noises during the operation of the brakes.
    WARNING! Always have the vehicle under inspection on level ground, in park with the emergency brake on. Always wear protective eyewear, gloves and necessary clothing before inspection or work begins. Never crank an engine over when anyone is near the battery or engine. Always have an operational fire extinguisher close by, obey all first aid instructions in the event of an injury. Never stand in front or behind a vehicle when cranked over or running. When engine is cranked over keep hands and clothing away from rotating components. Never move a car without proper brake pedal operation.

    Jun 01, 2010 | 1995 Saab 900

    1 Answer

    Rear brake noise after brake replacement


    probably a dumb question, but if there is a backing plate, did you make sure it isnt bent and hitting the rotor? you never want to sand new rotors, although i dont think it would cause this concern. i would suggest lightly scuffing up the brake pads. this will eliminate any noise caused by the contact of the rotors and pads. if it goes away then you know its a problem with the pads/rotors.

    scoring of only the inside rotors would make me think that possibly the caliper slides are frozen up. make sure they move quite freely on the slides. it is not uncommon for brake pads to score rotors though.

    but brake noises at low speeds that dont' change when applying light brake pressure are usually some sort of metal or something contacting the rotor.

    Mar 23, 2010 | Toyota Camry Cars & Trucks

    3 Answers

    Brake pad replacement. My brakes are making a squeeking sound as I drive. Sounds like rotor or brake pad problem.


    Here is Video of How to replace front brake pads and rotors, and rear brake pads on toyota camry solara 2006

    Mar 16, 2010 | 1991 Toyota Camry

    3 Answers

    325 ci brake rotors have been replaced 4 times in 6 years


    BMW rotors are not known for lasting very much more than 30-45k miles. When the brakes are inspected, they measure the pads using a special tool threw the outer brake pad. Min spec is 3mm. When the pads are replaced, they measure the thickness of the rotors. The rotor spec is stamped on the rotor. if they are under that spec, they recommend replacing them as well. Next time you bring it in for service, just ask them to measure the rotor thinkness, (its not a huge task, all they have to do is take the wheels off). But more often than not, the rotors wear just as fast as the pads.

    Feb 19, 2009 | 2003 BMW 325

    2 Answers

    Upgrading brake pads


    i dont think i would get ceramics as they tend to be noisey. i would look into ebc rotors and their green stuff pads or maybe some powerslot rotors and hawk pads

    Jan 10, 2009 | 2006 Ford Ranger

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