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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 161 (Disc Brake System) >> Repair Instructions >> Brake Pads Replacement - Front >> Removal Procedure
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Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Half-Full Master Cylinder Reservoir
    GM787456Courtesy of GENERAL MOTORS CORP.
  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. Fig 2: View Of Full Master Cylinder Reservoir MAX And MIN Marks
    GM787455Courtesy of GENERAL MOTORS CORP.
  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 Lifting and Jacking the Vehicle in General Information.
  5. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
    6. Fig 3: Compressing Front Brake Caliper Piston
    GM1341579Courtesy of GENERAL MOTORS CORP.
  6. Compress the front brake caliper piston.
    1. Install a large C-clamp over the top of the brake caliper housing and against the back of the outboard brake pad.
    2. Slowly tighten the C-clamp until the piston pushes into the brake caliper enough to slide the brake caliper off the rotor.
    3. Remove the C-clamp from the brake caliper.
    7. Fig 4: Identifying Lower Mounting Bolt
    GM786430Courtesy of GENERAL MOTORS CORP.
  7. Remove the lower mounting bolt from the guide pin.
    8. Fig 5: View Of Brake Caliper Rotated Upward
    GM783123Courtesy of GENERAL MOTORS CORP.
  8. Rotate the brake caliper upward until it stops.
    9. Fig 6: Removing/Installing Outboard Brake Pad
    GM783129Courtesy of GENERAL MOTORS CORP.
  9. Remove the outboard brake pad.
    10. Fig 7: Removing/Installing Inboard Brake Pad
    GM783130Courtesy of GENERAL MOTORS CORP.
  10. Remove the inboard brake pad.
    11. Fig 8: View Of Caliper & Related Components
    GM783127Courtesy of GENERAL MOTORS CORP.
  11. Remove the brake pad retaining clips from the brake caliper mounting bracket.
    12. Fig 9: Removing Brake Pad Retaining Clip
    GM783131Courtesy of GENERAL MOTORS CORP.
  12. Remove the brake pad retaining clip from the brake caliper.
  13. Remove all foreign material from the brake caliper using denatured alcohol.
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