GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Jimmy - 4WD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Wheel Cylinder Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the brake shoes. Refer to Brake Shoe Replacement .

    4. Object Number: 236 Size: SH
  4. Disconnect the brake pipe.
  5. Remove two bolts.
  6. Remove the wheel cylinder.

Installation Procedure

    Object Number: 236 Size: SH
  1. Install the wheel cylinder.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the bolts.

    3. Tighten
    Tighten the bolts to 13 N·m (115 lb in).

  3. Connect the brake pipe to the wheel cylinder.

    4. Tighten
    Tighten the brake pipe fitting to 21 N·m (16 lb ft).

  4. Install the brake shoes. Refer to Brake Shoe Replacement .
  5. Adjust the brakes. Refer to Drum Brake Adjustment .
  6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  7. Lower the vehicle.
  8. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.