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Home >> Chevrolet >> 2005 >> Optra5 Base, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Brake Modulator Assembly Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Brake Pressure Modulator Valve Mounting Bracket And Nuts
    GM1290105Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Insert the ABS 5.3 hydraulic unit into the mounting bracket and install the nuts.

    Tighten:  Tighten the nuts to 15 N.m (11 lb ft)  .

  2. Remove the screw plugs and install all of the hydraulic brake pipes.

    Tighten:  Tighten the brake pipe nuts to 22 N.m (16 lb ft)  .

  3. Connect the 31-pin wiring harness connector J1.
  4. Connect the negative battery cable.
  5. Bleed the hydraulic system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (ABS) in Hydraulic Brakes.
  6. Install the engine coolant reservoir tank and fill the tank with engine coolant.
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