Brake Pressure Modulator Valve Replacement

Fig 1: Locating Brake Pressure Modulator Valve Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Refer to Brake Fluid Irritant Warning . CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution . CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM. Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the left front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . Remove the left front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement . Thoroughly clean the area around the electronic brake control module (EBCM) of all dirt and debris. Disconnect the EBCM electrical connector.
1	Master Cylinder Brake Pipe Fitting (Qty: 2) Procedure Cap the brake pipe fittings to prevent fluid loss and contamination. Hand tighten the brake pipe fittings before tightening to the final torque specification. Tighten 27 N.m (20 lb ft)
2	Brake Pipe Fitting Procedure Cap the brake pipe fitting to prevent fluid loss and contamination. Hand tighten the brake pipe fitting before tightening to the final torque specification. Tighten 18 N.m (13 lb ft)
3	Brake Pipe Fitting (Qty: 3) CAUTION: Refer to Fastener Caution . Procedure Cap the brake pipe fitting to prevent fluid loss and contamination. Hand tighten the brake pipe fitting before tightening to the final torque specification. Tighten 18 N.m (13 lb ft)
4	Brake Pressure Modulator Valve (BPMV) to Bracket Bolt Tighten 10 N.m (89 lb in)
5	Brake Pressure Modulator Valve (BPMV) TIP: Separate the BPMV from the EBCM after removing the assembly from the vehicle.
6	Electronic Brake Control Module (EBCM) Bolt (Qty: 4) Procedure After the installation is complete, tighten the bolts in a cross pattern beginning with the upper left bolt. Tighten 3 N.m (27 lb in)
7	Electronic Brake Control Module Procedure Clean the sealing surfaces of the EBCM and the BPMV with denatured alcohol and a clean shop cloth. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) , Hydraulic Brake System Bleeding (Pressure) . Perform the Antilock Brake System Automated Bleed . Perform the Diagnostic System Check - Vehicle .