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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1635 (Engine Mechanical - 3.6L (2 Of 6)) >> Repair Instructions - On Vehicle (1 Of 2) >> Upper Intake Manifold Replacement (LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Throttle Body
    GM1887829Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Disconnect the wiring harness electrical connector (3) from the throttle body (4).
    3. Fig 2: Positive Crankcase Ventilation Fresh Air Pipe
    GM1897768Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the PCV line (1) from the top of the intake manifold and reposition aside.
    4. Fig 3: Evaporative Emissions Canister Purge Line
    GM1898314Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the evaporative emissions (EVAP) canister purge line (1) and reposition aside.
    5. Fig 4: Engine Harness Retaining Clips
    GM1898395Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the coolant hose bleed pipe.
  6. Remove the engine harness retaining clips (1) from the bleed pipe.
  7. Remove the bleed pipe bolts (2).
  8. Remove the bleed pipe hose clamp (3).
  9. Reposition the bleed pipe.
  10. Remove the brake booster vacuum hose from the intake manifold.
    11. Fig 5: Throttle Body
    GM1887829Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the manifold air pressure (MAP) sensor electrical connector from the map sensor (1).
    12. Fig 6: EVAP Purge Solenoid Valve Bolt
    GM1888937Courtesy of GENERAL MOTORS CORP.
  12. Remove the EVAP purge solenoid valve bolt (1).
    13. Fig 7: Engine Harness Bracket Bolt
    GM1899129Courtesy of GENERAL MOTORS CORP.
  13. Remove the engine harness bracket bolt (1).
    14. Fig 8: Upper Intake Retaining Bolts
    GM1899156Courtesy of GENERAL MOTORS CORP.
  14. Remove the upper intake retaining bolts (1).
  15. Remove the upper intake manifold and gasket. Discard the gasket.
  16. If replacing the upper intake manifold complete the following steps:
    1. Remove the evaporative emissions (EVAP) purge solenoid valve. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement .
    2. Remove the throttle body. Refer to Throttle Body Assembly Replacement .
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