GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Brake Fluid Level Indicator Switch Replacement

Removal Procedure
  1. Remove the brake fluid from the master cylinder reservoir.
  2. Remove the connector.

    3. Object Number: 746807 Size: SH
  3. Remove the bolts that hold the reservoir to the master cylinder.
  4. Remove the reservoir.

    5. Object Number: 376943 Size: SH
  5. Remove the fluid level switch from the reservoir. Use a pick or a thin tool in order to reach into the slot on the bottom of the reservoir. Compress the tabs while pulling out on the sensor.

Installation Procedure
  1. Install the fluid level switch into the reservoir until the tabs click.

    2. Object Number: 376943 Size: SH

    Object Number: 746807 Size: SH
  2. Install the reservoir.

    3. 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.

  3. Install the bolts.

    4. Tighten
    Tighten the bolts to 22 N·m (16 lb ft).

  4. Install the connector.
  5. Fill the master cylinder with brake fluid. Refer to Master Cylinder Reservoir Filling .
  6. Bleed the brake system. Refer to Hydraulic Brake System Bleeding .