TrailBlazer 4WD L6-4.2L VIN S (2002)
Installation Procedure
1. Install the gasket and the vacuum booster assembly.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the vacuum booster mounting nuts on the vacuum booster.
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Tighten the vacuum booster mounting nuts to 40 Nm (30 ft. lbs.).
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.
6. Install the vacuum hose to the vacuum booster and to the engine.
7. Install the master cylinder.