2004 Chevrolet TrailBlazer Logo
Posted on Jul 24, 2009
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How do i change the pads and rotors on my 2002 trailblazer ls?

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Marat Brikov

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Marat Brikov
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This is F250 front brakes, but it will be the same as on trail blazer, just your parts will be a little smaller.

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Radlie Hunter
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Most cars use the same routine to change the pads. I would call the repair shop because they'll let you know if there's anything special about your car. There are also forums specific to certain models of car. http://www.alaskanautocenter.com/home

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Ronnie Wilson

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  • Posted on Jul 24, 2009
Ronnie Wilson
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Brake Pads Replacement - Front

Removal Procedure

Caution: Refer to Brake Dust Caution in Service Precautions.

  1. Inspect the brake fluid level in the brake master cylinder reservoir.
  2. If the brake fluid is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove the brake fluid with appropriate tool to the midway point before proceeding.
  4. Raise the vehicle. Refer to Vehicle Lifting.
  5. Remove the tire and wheel assembly.

  1. Compress the front brake caliper piston.
6.1. Install a large C-clamp over the top of the brake caliper housing and against the back of the outboard brake pad. 6.2. Slowly tighten the C-clamp until the piston pushes into the brake caliper enough to slide the brake caliper off the rotor. 6.3. Remove the C-clamp from the brake caliper.
  1. Remove the lower mounting bolt from the slide pin.
  2. Rotate the brake caliper upward until it stops.
  3. Remove the outboard brake pad.
  4. Remove the inboard brake pad.
  5. Remove the brake pad retaining clips from the brake caliper mounting bracket.
  6. Remove the brake pad retaining clip from the brake caliper.
  7. Remove all foreign material from the brake caliper using denatured alcohol.
Installation Procedure

Important: When installing new brake pads, DO NOT reuse the old retaining clips for the brake pad. Use only NEW brake pad retaining clips.


  1. Install the brake pad retaining clips to the brake caliper mounting bracket.
  2. Install the brake pad retaining clip to the brake caliper.
  3. Ensure that the brake pad retaining clip in the brake caliper is properly seated.
  4. Install the inboard brake pad.
  5. Install the outboard brake pad.
  6. Rotate the brake caliper down into position.


Notice: Refer to Fastener Notice in Service Precautions.

  1. Install the lower brake caliper mounting bolt.
    • Tighten the brake caliper mounting bolt to 51 Nm (38 ft. lbs.) .
  1. Install the tire and wheel assembly.
  2. Lower the vehicle. Refer to Vehicle Lifting.
  3. Fill the brake master cylinder reservoir. Caution: Refer to Firm Brake Pedal Caution in Service Precautions.
  4. Pump the brake pedal slowly and firmly to seat the brake pads.
  5. Burnish the new brake pads.



how do i change the pads and rotors on my 2002 - blnk_spc.gif

1 Related Answer

Anonymous

  • 61 Answers
  • Posted on Apr 25, 2009

SOURCE: I change the front pads to my chevy trailblazer

Sounds like it could be the caliper sticking. Did the vehicle pull to one side or the other? Try lubricating the caliper piston under the rubber boot. Work the piston in and out a few time. I use a large C-clamp to compress the piston. Let me know if it helped.

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Front brakes
Antilock brake systems don't like fluid pushed back through the system.

You should follow good standard practice, by blocking and ensuring the car is stable and safe.

When the wheel is removed, clamp off the flexible brake fluid line. When you push he caliper back to change the pads, do it with the bleed screw open and catch the fluid that comes out. When the caliper is fully depressed, close the bleed screw up. Change the pads, ensure you put anti-squeel on the outter surfaces. Inspect the clips, ensure they are all seated properly.

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When done, reinstall everything and remove the clamp.

Start the truck, pump the brakes a few times to get fluid back to the front calipers. Inspect the fluid level in the resivoiour to ensure enough fluid is there.

Do some safe test brakes to ensure all is ok.
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