GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 Brakes 🢒 Antilock Brake System 🢒 Brake Pressure Modulator Valve Reservoir Replacement

Removal Procedure

    Object Number: 155530 Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.0L.
  2. Remove the BPMV reservoir connector.
  3. Remove the clamp on the reservoir hose to the BPMV connector.
  4. Obtain a 15.5 mm (5/8 in) plug to be used in the next step.
  5. Remove the reservoir hose from the BPMV reservoir.
  6. Remove the BPMV reservoir by carefully prying.
  7. Remove the BPMV reservoir seals. Note the seal orientation.

Installation Procedure

    Object Number: 155530 Size: SH
  1. Lubricate the new seals with the clean brake fluid. Install the new seals to the BPMV.
  2. Clean the reservoir and the ports with denatured alcohol.
  3. Install the BPMV reservoir.
  4. Install the reservoir hose to the BPMV reservoir.
  5. Connect the clamp on the reservoir hose to the BPMV reservoir.
  6. Install the BPMV reservoir connector.
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-3.8L. or Air Cleaner Assembly Replacement in Engine Controls-4.0L.
  8. Fill the brake fluid reservoir. Refer to Master Cylinder Reservoir Filling in Hydraulic Brakes.
  9. Bleed the brake system. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
  10. Clean the brake fluid from the BPMV area in order to prevent damage to the vehicle components.