Installation Procedure

Fig 1: Identifying BPMV To EHCU Mounting Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.

Install the EBCM (2) onto BPMV (1).

NOTE: Refer to Fastener Notice .

IMPORTANT: Do not reuse the old mounting bolts. Always install new EBCM bolts with the new BPMV.

Install the EBCM bolts.
Tighten: Tighten the bolts to 5 N.m (44 lb in) in an X-pattern.
Connect the 2-way ABS pump motor connector to the EBCM.
Install the BPMV (1) to EHCU bracket (3).
Install the BPMV (1) to bracket retaining bolts (4).
Tighten: Tighten the bolts to 9 N.m (80 lb in).

Fig 2: Identifying Electric Hydraulic Control Unit Mounting Bracket To Frame Rail Bolts

Courtesy of GENERAL MOTORS CORP.

Install the EHCU to the vehicle frame.
Tighten: Tighten the 3 EHCU bracket bolts to 25 N.m (18 lb ft).
Connect the 2 electrical harness connectors to the EBCM.

IMPORTANT: The brake pipes are held in place by a plastic bracket mounted to the frame. Make sure that the brake pipes stay in the correct place for proper reassembly.

Install the 5 brake pipes to the BPMV.
Tighten: Tighten the brake pipe fittings to 30 N.m (22 lb ft).
Install the torsion bar. Refer to Torsion Bar and Support Assembly Replacement .

Fig 3: Splash Shield (Cutaway Vehicles)

Courtesy of GENERAL MOTORS CORP.

For cutaway vehicles, install the splash shield.
Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .
Bleed the brake system. Refer to Antilock Brake System Automated Bleed Procedure (W/JL4) or Antilock Brake System Automated Bleed Procedure (w/o JL4) .