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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1350 (Antilock Brake System) >> Repair Instructions >> Brake Pressure Modulator Valve (BPMV) Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.
  1. Install the EBCM (2) onto BPMV (3).
    IMPORTANT: Do not reuse the old mounting bolts. Always install new bolts with the new BPMV.
  2. Install the four EBCM bolts.

    Tighten 

    Tighten the four bolts to 5 N.m (39 lb in) in an X-pattern.

  3. Connect the 2 way ABS pump motor connector to the EBCM.
  4. Install the BPMV (3) to BPMV bracket (5).
  5. Install the BPMV to bracket retaining bolts (4).

    Tighten 

    Tighten the bolts 9 N.m (7 lb ft).

    6. Fig 1: Installing EBCM, BPMV, Mounting Bracket & Bolts
    G01481834Courtesy of GENERAL MOTORS CORP.
  6. Install the EHCU assembly (1,2) to the vehicle frame (5).

    Tighten 

    Tighten the three EHCU bracket bolts (4) to 25 N.m (18 lb ft).

  7. Connect the chassis electrical harness connectors to the EBCM (1).
    IMPORTANT: The brake pipes are held in the proper place by a frame mounted plastic bracket. Make sure that the brake pipes stay in the correct place for proper reassembly.
  8. Install the 5 brake pipes to the BPMV (6).

    Tighten 

    Tighten the brake pipe fittings to 25 N.m (18 lb ft).

  9. Connect negative battery cable.
  10. Bleed the brake system. Refer to ABS Automated Bleed Procedure .
    Fig 2: Installing EHCU Assembly, Mounting Bracket & Bolts
    G01481835Courtesy of GENERAL MOTORS CORP.
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