TrailBlazer 4WD L6-4.2L VIN S (2002)
Intake Manifold: Service and Repair
Intake Manifold Replacement
Removal Procedure
1. Remove the throttle body.
2. Remove the PCM.
3. Disconnect all harnesses from the engine harness bracket.
4. Remove the front differential vent hose from the bracket clip.
5. Remove the engine harness bracket bolt and remove the bracket.
6. Disconnect the MAP sensor electrical connector.
7. Disconnect the crankcase ventilation hose.
8. Disconnect the brake hose at the booster.