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Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Am and 2004 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Proportioning Valve Assembly & Bracket Bolts
    GM879253Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the proportioning valve assembly and the 2 proportioning valve bracket bolts.

    Tighten:  Tighten the 2 proportioning valve bracket bolts to 24 N.m (18 lb ft).

  2. Install the left inner fender shield. Refer to Front Fender Liner Replacement in Body Front End.
  3. Lower the vehicle.
  4. Fig 2: View Of Brake Pipes & Proportioning Valve
    GM879250Courtesy of GENERAL MOTORS CORP.
    CAUTION: Make sure brake pipes are correctly connected to brake pressure modulator valve. If brake pipes are switched by mistake, wheel lockup will occur and personal injury may result. The only two ways this condition can be detected are by using a Scan Tool or by doing an Antilock stop.
  5. Remove the caps from the 4 brake pipes (2) and install the 4 brake pipes (2) to the proportioning valve.

    Remove the caps from the 2 brake pipes (1) and install the 2 brake pipes (1) to the proportioning valve.

    Tighten:  Tighten all brake pipe fittings to 23 N.m (17 lb ft).

  6. Install the battery tray. Refer to Battery Tray Replacement in Body Front End.
  7. Bleed the brake system. Refer toHydraulic Brake System Bleeding (Manual)  or Hydraulic Brake System Bleeding (Pressure)  in Hydraulic Brakes.