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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1445 (Hydraulic Brake System) >> Repair Instructions >> Vacuum Brake Booster Replacement >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Brake Booster
    GM748032Courtesy of GENERAL MOTORS CORP.
  1. Install the gasket and the vacuum booster assembly.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the vacuum booster mounting nuts on the vacuum booster.

    Tighten:  Tighten the vacuum booster mounting nuts to 40 N.m (30 lb ft).

    3. Fig 2: Removing/Installing Brake Light Switch
    GM748017Courtesy of GENERAL MOTORS CORP.
  3. Position the stop lamp switch (1) on the pushrod (2) and install on the brake pedal pin.
  4. Install the pushrod retainer (3) to the brake pedal pin (4). The retainer will snap into place.
  5. Install the left closeout/insulator panel. Refer toCloseout/Insulator Panel Replacement - Left in Instrument Panel, Gages and Console.
    6. Fig 3: Identifying Brake Booster Vacuum Hose
    GM748028Courtesy of GENERAL MOTORS CORP.
  6. Install the vacuum hose to the vacuum booster and to the engine.
  7. Install the master cylinder. Refer toMaster Cylinder Replacement .
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