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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1120 (Engine Mechanical (Repair Instructions 1 Of 5) - 3.6L (Ly7)) >> Repair Instructions (On-Vehicle Part 1) >> Intake Manifold Replacement - Upper >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Assemble the intake manifold if necessary. Refer to Intake Manifold Assemble .
    2. Fig 1: View Of Upper Intake Manifold
    GM1401466Courtesy of GENERAL MOTORS CORP.
  2. Install the intake manifold.
    3. Fig 2: Identifying Intake Manifold Bolts
    GM1401463Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the intake manifold bolts (1-6).

    Tighten:  Tighten the bolts in the order shown to 23 N.m (17 lb ft).

    4. Fig 3: Locating PCV Dirty Air Tube
    GM1394081Courtesy of GENERAL MOTORS CORP.
  4. Install the PCV hose to the intake manifold and the cylinder head.
  5. Install the brake booster vacuum hose and check valve to the brake booster.
    6. Fig 4: Identifying Throttle Body Electrical Connector
    GM1394050Courtesy of GENERAL MOTORS CORP.
  6. Install the throttle body electrical connector.
    7. Fig 5: Locating Intake Manifold Runner Control Solenoid Electrical Connector
    GM1394037Courtesy of GENERAL MOTORS CORP.
  7. Connect the intake manifold runner control solenoid electrical connector.
  8. Install the fuel injector electrical connector to the fuel injector electrical connector bracket.
  9. Install the fuel injector bracket.
    10. Fig 6: View Of Fuel Injector Electrical Connector
    GM1394055Courtesy of GENERAL MOTORS CORP.
  10. Connect the fuel injector electrical connector.
    11. Fig 7: Identifying Wiring Harness Bracket Bolts On Right Side Of Intake Manifold
    GM1394052Courtesy of GENERAL MOTORS CORP.
  11. Install the wiring harness and bracket to the right side of the intake manifold.

    Tighten:  Tighten the bracket bolts to 10 N.m (89 lb in).

    12. Fig 8: Purge Solenoid Electrical Connector
    GM1394073Courtesy of GENERAL MOTORS CORP.
  12. Connect the purge solenoid electrical connector.
  13. Carefully raise the powertrain or lower the vehicle in order to Install the frame bolts.
  14. Install the frame front bolts. Refer to Frame Replacement - Front (W/AWD) or Frame Replacement - Front (W/FWD) in Frame and Underbody.
    15. Fig 9: Supporting Powertrain With Floor Jack
    GM628909Courtesy of GENERAL MOTORS CORP.
  15. Remove the floor jack.
  16. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  17. Install the front fender liners. Refer to Front Fender Liner Replacement in Body Front End.
  18. Connect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
  19. Lower the vehicle.
  20. Install the ECM bracket with the ECM.
    21. Fig 10: View Of Fuel Feed Hose Bracket Bolt
    GM1401470Courtesy of GENERAL MOTORS CORP.
  21. Install the fuel feed hose bracket and the bracket bolt.

    Tighten:  Tighten the bracket bolt to 10 N.m (89 lb in).

  22. Connect the BARO sensor electrical connector.
    23. Fig 11: Identifying Purge Line Retainer
    GM1401471Courtesy of GENERAL MOTORS CORP.
  23. Install the purge line to the purge line retainer.
  24. Connect the fuel pressure and EVAP hoses to the engine. Refer to Quick Connect Fitting(s) Service (Metal Collar) and to Quick Connect Fitting(s) Service (Plastic Collar) in Engine Controls - 3.6L (LY7).
  25. Install the air inlet duct. Refer to Air Cleaner Intake Duct Replacement in Engine Controls - 3.6L (LY7).
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