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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 123 (DISC BRAKE SYSTEM)REPAIR INSTRUCTIONSFRONT DISC BRAKE HARDWARE REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet HHR LT, 2.4 P, Automatic

Removal Procedure

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2009 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Install and firmly hand tighten 2 wheel nuts to opposite wheel studs in order to retain the rotor to the hub.
    4. Fig 1: Identifying Brake Caliper Guide Pin Bolts
    GM1910784Courtesy of GENERAL MOTORS CORP.
  4. Remove the brake caliper guide pin bolts (1).
    5. CAUTION: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.
  5. Remove the brake caliper and support with heavy mechanics wire or equivalent.
    6. Fig 2: Identifying Inboard Brake Pad
    GM1910785Courtesy of GENERAL MOTORS CORP.
  6. Remove the inboard brake pad (1).

    Note the location of the brake pad wear sensor.

  7. Remove the outboard brake pad (2).
    8. Fig 3: View Of Front Disc Brake Assembly
    GM1385621Courtesy of GENERAL MOTORS CORP.
  8. Remove the disc brake pad retainers (6) from the brake caliper bracket.
  9. Thoroughly clean the brake pad hardware mating surfaces of the caliper bracket (3) of any debris and corrosion.
  10. Inspect the disc brake pad retainers (6) for the following:
    • Bent mounting tabs
    • Excessive corrosion
    • Looseness at the brake caliper mounting bracket
    • Looseness at the disc brake pads
  11. If any of the conditions listed are found, the disc brake pad retainers require replacement.
  12. Remove the brake caliper guide pins (1, 4) from the brake caliper bracket.
  13. Remove the caliper guide pin boots (5) from the caliper bracket.

    Replace the caliper guide pin boots if damaged.

  14. Inspect the caliper guide pin bores in the caliper bracket. Carefully remove any debris or corrosion from the bores.
  15. Inspect the guide pins (1, 4) and the bushing (2) on the upper guide pin. If either of the guide pin assemblies is damaged or corroded, or if the bushing is damaged, the guide pins require replacement.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.