Brake Pressure Modulator Valve (BPMV) Replacement
Removal ProcedureCaution: For safety reasons, the Brake Pressure Modulator Valve (BPMV) must not be repaired, the complete unit must be replaced. With the exception of the EBCM/EBTCM, no screws may be loosened. If screws are loosened, It will not lee possible to get the brake circuits leak-tight and personal injury may result.
1. Turn the ignition switch to the OFF position.
2. Pull out lock tab (1) from EBTCM harness connector.
3. Disconnect the EBTCM harness connector.
Important: Note the locations of the brake pipes in order to aid in installation.
4. Disconnect the wheel cylinder brake pipes (1) from the BPMV (2).
5. Disconnect the master cylinder brake pipes (1) from the BPMV (2).
6. Remove the two nuts (1) that connect the BPMV to the BPMV bracket.
Notice: When removing the brake pressure modulator valve, protect the vehicle exterior from possible brake fluid spillage. Brake fluid can cause damage to painted surfaces.
7. Remove the BPMV (2) and EBTCM as an assembly from the vehicle.
8. Remove EBTCM if replacing the BPMV only. Refer to EBTCM Replacement.
Installation Procedure
1. Install EBTCM if replacing the BPMV only. Refer to EBTCM Replacement.
2. Install BPMV (2) and EBTCM as an assembly into the BPMV bracket. Align the flats of the studs on the BPMV with the BPMV bracket.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the two BPMV to BPMV bracket nuts (1).
^ Tighten the two BPMV to BPMV bracket nuts to 12 Nm (8 ft. lbs.).
Important: If a new BPMV is being installed, remove the shipping plugs from the valve openings in the compartment during the next step.
Important: Use the locations noted during removal.
Caution: Make sure brake pipes are correctly connected to brake pressure modulator valve. If brake pipes are switched by mistake, wheel lockup will occur and personal injury nosy result The only two ways this condition can be detected are by using a Scan Tool or by doing an Antilock stop.
4. Install the master cylinder brake pipes (1) on the BPMV(2).
5. Install the wheel cylinder brake pipes (1) on the BPMV(2).
^ Tighten all of the brake pipe fittings to 15 Nm (11 ft. lbs.).
6. Connect the EBTCM harness connector. Push in lock tab (1).
7. Fill and bleed the brake hydraulic system. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
8. Turn the ignition switch to the ON position, engine off.
9. Perform the A Diagnostic System Check - ABS.