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Home >> Chevrolet >> 2007 >> Optra5 LS, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Brake Modulator Assembly Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Brake Pressure Modulator Valve Mounting Bracket And Nuts
    GM1290105Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. Insert the ABS brake pressure modulator valve 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 (ABS) or Hydraulic Brake System Bleeding (Manual) .
  6. Refer to Control Module References for programming and setup information.