Question about 1998 Honda Prelude

2 Answers

Rear brakes My rear brakes are staying engaged all the time wearing out the pads, and when I change the rear pads I have to c-clamp the caliper to the frame and use a pair of channel locks to screw in the piston. where is my problem?

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  • dewberry Sep 18, 2008

    Thanks for the input but my biggest problem is that you should be able to screw the pistons in on the calipers with not to much trouble, I have to c-clamp them to the frame and do everything I can with a pair of channel locks to move the pistons. I was wondering if this is a prorpotional valve problem and possibly a ABS system failure.

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If your rear brakes alway engage then u need to check your slider and see if it rusted if it is need sand smooth and lubricated with grease.But that what shops recomend u to do. If that is find then try to turn the piston clock wise to see if they move in but becareful they but boot rubber shouldn't move muchl. If it does check the piston inside the boot see if there any rust there. What i did with integra was i took the brake caliper out sand it careful and lub it and put it back in. After that i had to bleed the brake all 4 of them. If you don't know what u doing then replace it. After rear brake calpier servicing start the engine and depress the brake pedal several tiems to set the self adjustin brake. Raise the rear wheels off the ground.Make sure the parkin brake arm on the rear brake caliper contact the brake caliper pin. Your e brake should on click 6-10 if not adjust under the arm rest in the car at the back of it. When your parking brake are down, make sure the parking brake do not drag when u spin the wheel if it does adjust it the nut for the parking inside the car.

Posted on Oct 09, 2008

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Parking brake cable is seized or improperly installed.... check that.
I'm uncertain what you mean about the calipers.... but having to push the cyclinder back in to change the pads is normal..... do one at a time. after you have installed the pads, pump the brake then do the other ..... check your brake fluid level when you are done as well.


Robert

Posted on Sep 18, 2008

  • Roberta Smith
    Roberta Smith Sep 18, 2008

    sounds more like a seized caliper(s)... try just using the c-clamp to compress the piston on the caliper. if it requires that much force it could very well be seized and need replacement

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Change brake pads


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May 19, 2013 | 2004 Buick Century

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How to change brake pad and check rotors


Brake Pads Removal & Installation Front for_car_toy_cam_02-04_sst_frt_dsc_asm.gif

To Remove:
  1. Drain brake fluid to ½ full level in reservoir.
  2. Remove the front wheels. toy_car_cam_frontbrakepads.gif

  3. Remove the front brake caliper assembly.
  4. Remove the 2 anti-squeal shims from each of the 2 brake pads.
  5. Remove the wear indicator from each of the 2 brake pads.
To Install:
NOTE: When replacing worn pads, the anti-squeal shims must be replaced together with the pads.
toy_car_cam_frontbrakepads.gif

  1. Using a large C clamp or equivalent press piston into the caliper.
  2. Apply disc brake grease to the inside of each anti-squeal shim.
  3. Install the anti-squeal shims on each pad.
  4. Install the pad wear indicator clip to the pads.
  5. Install the pads with the pad wear indicator plate facing upward.
  6. Install the brake caliper with the 2 mounting bolts. Torque the bolts 25 ft-lb (34 Nm).
  7. Install the front wheels.
  8. Fill the master cylinder with new clean brake fluid.
  9. Pump the brake pedal several times to seat the brake pads.
Rear TMC made rear brake components toy_car_cam_tmcrearbrakes.gif

TMMK made rear brake components toy_car_cam_tmmkrearbrakes.gif

To Remove:
  1. Drain the brake fluid to ½ full level in reservoir.
  2. Remove the rear wheels.
  3. Remove the caliper slide pins.
  4. Remove the caliper slide pin bushings (TMMK made) (Kentucky).
  5. Remove the rear brake calipers.
  6. Remove the 2 brake pads with the anti-squeal shims.
  7. Remove the anti-squeal shims and pad wear indicators from brake pads.
To Install:
  1. Using a large C clamp or equivalent press the piston into the caliper.
  2. Coat both sides of the outer anti-squeal shim with pad grease.
  3. Install anti-squeal shims to each pad.
  4. Install wear indicators on the 2 brake pads.
  5. Install the caliper slide pin bushings (TMMK made) (Kentucky).
  6. Install the rear brake caliper with the slide pins. Torque the slide pins as follows:
    • TMC made (Japan): Torque the caliper slide pin 25 ft-lb (34.3 Nm)
    • TMMK made (Kentucky): Torque the caliper slide pin 34 ft-lb (47 Nm)
  7. Fill the master cylinder with new clean brake fluid.
  8. Pump the brake pedal several times to seat the brake pads.
  9. Install the rear wheels.
prev.gif next.gif Brake Rotor Removal & Installation Front To Remove:
  1. Remove the front wheels.
  2. Remove the front brake caliper assembly.
  3. Remove the front brake pads.
  4. Remove the 2 bolts and caliper mounting bracket.
  5. Place match marks on the disc and axle hub.
  6. Remove the front wheel disc.
To Install:
  1. Align the match marks and install the front disc.
  2. Install the brake caliper mounting bracket. Torque the bolts 79 ft-lb (107 Nm).
  3. Install the brake caliper. Torque the bolts 25 ft-lb (34 Nm).
  4. Install new gaskets and connect the brake hose to the caliper with the banjo fitting bolt. Torque the fitting bolt 22 ft-lb (29.4 Nm).
  5. Fill the reservoir with brake fluid.
  6. Bleed the brake system.
  7. Install the front wheel.
Rear To Remove:
  1. Remove the rear wheels.
  2. Remove the brake caliper assembly.
  3. Remove the brake pads.
  4. Remove the 2 bolts and the caliper mounting bracket.
  5. Place match marks on the disc and axle hub.
  6. Remove the rear disc.
To Install:
  1. Align the match marks and install the rear disc.
  2. Install the rear brake caliper mounting bracket. Torque the bracket bolts as follows:
    • TMC made (Japan): Torque the bracket bolt 46 ft-lb (61.8 Nm)
    • TMMK made (Kentucky): Torque the bracket bolt 34 ft-lb (47 Nm)
  3. Install the rear brake caliper with the slide pins. Torque the slide pins as follows:
    • TMC made (Japan): Torque the caliper slide pin 25 ft-lb (34.3 Nm)
    • TMMK made (Kentucky): Torque the caliper slide pin 32 ft-lb (43 Nm)
  4. Install new gaskets and connect the brake hose to the caliper with the banjo fitting bolt. Torque the fitting bolt 22 ft-lb (29.4 Nm).
  5. Fill the reservoir with brake fluid.
  6. Bleed the brake system.
  7. Install the rear wheel
prev.gif next.gif

Jan 25, 2011 | 2007 Toyota Camry

1 Answer

What tools needed to replace front brake pads & rotors


Brake Pads
Removal & Installation
Front





3.4L front disc brake assembly
toy_4run_34_frontbrakeassembly.gif








4.0L and 4.7L front disc brake assembly
toy_4run_frontbrakeassembly.gif



To Remove:


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Remove or disconnect the following:

    • Front wheel
    • Clip, 2 caliper pins, the anti-rattle spring then remove the 2 brake pads
      and the 4 anti-squeal shims

To Install:

CAUTION
Only replace brake pads on 1 side of the
vehicle at a time. Failure to use this procedure could cause the caliper pistons
on the opposite side of the vehicle to pop out requiring the reconditioning or
replacement of the brake caliper.


  1. Remove a small amount of brake fluid from the master cylinder.
  2. Install a used brake pad into the caliper and compress the caliper pistons.
  3. Apply disc brake grease to both sides of the inner anti-squeal shims.
  4. Install or connect the following:

    • Anti-squeal shims to the new brake pads
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    • 2 brake pads
    • Anti-rattle spring and the 2 caliper pins
    • Clip
    • Front wheel

  5. Depress the brake pedal several times to seat the brake pads.
  6. Check the brake fluid level and top off as needed.

Rear
To Remove:


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Remove or disconnect the following:

    • Rear wheel






      toy_4run_rearcalbolts.gif



    • 2 cylinder slide pins from rear caliper assembly
    • Caliper assembly from rear caliper mounting
    • 2 brake pads with anti-squeal shims from rear caliper mounting
    • 2 anti-squeal shims from each disc brake pads
    • Pad wear indicator plate from the inner side disc brake pad
    • 4 pad support plates from the rear caliper mounting

To Install:


  1. Install or connect the following:

    • 4 pad support plates on the rear caliper mounting
    • Pad wear indicator plate on the inside brake pad
      Note: Install the pad wear indicator facing downward.

    • Anti-squeal shims on each brake pad
    • 2 disc brake pads with anti-squeal shims to the caliper assembly

  2. Apply lithium soap base glycol grease to the sliding part of 2 caliper slide
    pins.
  3. Install or connect the following:

    • Disc brake caliper assembly with 2 caliper slide pins
    • Torque to 65 ft-lbs (88 Nm)
    • Rear wheel

  4. Depress the brake pedal several times to seat the brake pads.
  5. Check the brake fluid level and top off as needed.
--- Removal & Installation
Front
To Remove:


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Remove or disconnect the following:

    • Front wheel
    • Front brake caliper assembly

  3. Make matchmarks on the disc and the axle hub.
  4. Remove the front disc.

To Install:


  1. Align matchmarks and disc onto axle hub.
  2. Install or connect the following:

    • Front brake caliper assembly with the 2 bolts

      1. Torque to 90 ft-lbs (123 Nm)

    • Front wheel

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1 Answer

Will I need a caliper reset tool kit to change the brakes on my 2007 toyota sienna or will a standard c-clamp do the job? And since it is an ABS system, I assume that brakes must be bled, correct?


Brake Pads Removal & Installation Front To Remove:
  1. Remove the front wheels. Front brake caliper (exploded view) toyota-09-00-5838.gif

  2. Loosen the caliper bleeder.
  3. Hold the slide pin; remove the 2 mounting bolts and remove the brake caliper from the support.
  4. Support the caliper.
  5. Open the brake bleeder. Press the caliper piston into the bore.
  6. Close the bleeder after the piston has reached the bottom of the caliper bore.
  7. Remove the brake pads, support plates, wear indicators and anti squeal shims.
  8. Remove the slide pins and bushings from the caliper support.
To Install:
  1. Lubricate the slide pins and bushings with brake grease.
  2. Install the bushing on the slide pin.
  3. Install the slide pin on the caliper support.
  4. Install the brake pad support plates on the caliper supports.
  5. Lubricate the anti squeal shims with brake grease.
  6. Install the anti squeal shims on the brake pads.
  7. Install the pad wear indicator facing upward and install the pads on the caliper support.
  8. Install the caliper on the support.
  9. Install the 2 mounting bolts, hold the slide pins and tighten 25 ft-lb (34 Nm).
  10. Fill the reservoir and bleed the brakes.
  11. Install the front wheels.
Rear To Remove:
  1. Remove the rear wheels.
  2. Loosen the caliper bleeder. Rear brake caliper (exploded view) toyota-09-00-5842.gif

  3. Hold the slide pin; remove the 2 mounting bolts and rear brake caliper assembly from the support.
  4. Support the caliper.
  5. Open the brake bleeder. Press the caliper piston into the bore.
  6. Close the bleeder after the piston has reached the bottom of the caliper bore.
  7. Remove the brake pads, support plates, and anti squeal shims.
  8. Remove the slide pins from the caliper support.
To Install:
  1. Lubricate the slide pins with brake grease.
  2. Install the slide pin on the caliper support.
  3. Install the brake pad support plates on the caliper supports.
  4. Lubricate the anti squeal shims with brake grease.
  5. Install the anti squeal shims on the brake pads.
  6. Install the rear pads on the caliper support.
  7. Install the rear caliper on the support.
  8. Install the 2 mounting bolts, hold the slide pins and tighten 25 ft-lb (34 Nm).
  9. Fill the reservoir and bleed the brakes.
  10. Install the front wheels.
prev.gif next.gif

Sep 18, 2010 | 2007 Toyota Sienna

2 Answers

Uneven brake pad wear how do i fix it?


Unless one of your calipers is sticking or not engaging fully then there should be no reason for uneven wear unless you have a defective pad.

There will be uneven wear from the front to the back however. About 60% of the stopping power is provided by the front brakes and 40% from the rear , so your front brakes will wear faster than your rear brakes.

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2 Answers

How easy it to change front brake pads on a toyota rav 4


not hard at all.remove tires.then remove 2 screws either 12mm or 14mm that hold the brake caliper in place.remove caliper but DO NOT disconnect the brake line from the caliper.get a C-CLAMP in order to get the caliper piston pushed back in.remove old brake pads and install new ones in the same order as the old ones were removed.you will want to check the rotors to make sure they are in good condition before you install the new pads,then put caliper back on and tighten screws to specs.do the same on the other side and always remember to PUMP YOUR BRAKE PEDAL A FEW TIMES IN ORDER FOR THE CALIPER PISTONS TO ENGAGE ON THE NEW PADS. hope this info helps.good luck and take care, manny

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1 Answer

Pulling in left rear and brake and rotor used up faster than all others


Possibilities.
1. The Caliper is sticking open, causing the friction which equals the pulling; and the brake pads and rotors to be eaten frequently.
This means:
a. The Caliper is faulty.
b. The Brake Line Hose (if so equipped) going from Brake Line to the Caliper is faulty.
A. To Check which one is faulty:
B. Raise and Support properly the rear of the vehicle.
C. Remove the tires from both sides.
D. Inspect the brake springs and brake pad retainers (if so equipped) Missing or improperly placed springs and/or brake pad retainers (if so equipped) could possibly cause this also.
E. Using a 6-inch (or larger) "C"-clamp, place the top end of the "C"-clamp onto the back of the caliper. Do not place it on the Brake Line/Hose or the Brack Line connection to the Caliper. Place the screw end of the "C"-clamp onto the center portion of the outside Brake Pad, but not touching the Caliper Housing. Begin screwing-in the clamp, this will move the Brake Pad in, and push the Caliper Piston back into the Caliper Bore. If this is difficult to do, then that is your first sign that the Caliper is "sticking open".
If you are not sure how easy or hard this should be: Move to the Right Side of the vehicle and Clamp-in the right rear Caliper to get an idea of how easy/difficult it should feel. Compare the feel.
If the Left Rear Caliper is difficult to reset:
(1) Place a tight fitting Hose over the nipple of Bleeder Screw, located on the back of the Caliper. Do not cover the nut sides.
(2) Loosen the Bleeder Screw until fluid starts coming out.
(3) Reattempt to Clamp-in the brake.
(4) If it is now alot easier to Clamp-in, then it is the Brake Line Hose going from the Brake Line to the Caliper that is most likely faulty.

The Brake Hoses wear out on the inside, causing "gate-like" frayings. The fluid can flow out to the Caliper, but once the Brake Pedal is released these "gates" close, not allowing the fluid to return-out of the caliper. The Caliper maintains pressure on the Rotor causing the pulling of the vehicle and the wear-and-tear of the Rotor and Pads.
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4 Answers

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rate as fixya if this is what you need. Thanks

  1. Remove the rear disc brake caliper (2K327).
  2. Remove the brake caliper bolts.
  3. Lift the rear disc brake caliper off the rear disc brake caliper anchor plate (2B582).
  1. sya~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not allow grease, oil, brake fluid or other contaminants to contact the brake pads.
    Remove the brake pads by pushing inward and rotating the pad up.
  1. NOTE: Use a block of wood or used pad to protect the piston and boots.
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cf7b02c.gif

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2 Answers

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1 Answer

How do you compress rear brake caliper?


Dear Sir/madam,

The pistons on the rear brake calipers SCREW in to the caliper. There are notches on the inner edge of the piston face. engage the notches with a large needle nose plier or a large flat washer and turn clockwise (as you face the piston) to turn the piston in.
There is a special tool that is available at your local autoparts store that is absolutely necessary and will save you a ton of time and aggravation. Using a needle nose plier or washer does not allow you to apply enough pressure unless your are the incredible hulk.

thanks
Good luck

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