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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 4.3L >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Removal

Intake Manifold Removal

  1. Remove the evaporative emission (EVAP) canister purge solenoid valve harness.
    1. 1.1. Push the quick disconnect clip and hold in place.
    2. 1.2. Pull outward on the harness elbow.
      Fig 1: Removing Evaporative Emission (EVAP) Canister Purge Solenoid Valve Harness
      G01643808Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine coolant temperature (ECT) sensor wire connector, if equipped, from the engine wiring harness bracket.
  3. Remove the lower intake manifold bolts.
    Fig 2: Removing Intake Manifold Assembly
    G01643809Courtesy of GENERAL MOTORS CORP.

    Important: 

    • The intake manifold may be removed as an assembly. Do not remove the specific intake manifold components unless component service is required.
    • Do not allow dirt or debris to enter the fuel system. Ensure that the ends of the fuel system are properly sealed.
    • Do not disassemble the Central Sequential Fuel Injection (SFI) unit, unless service is required.
  4. Remove the intake manifold assembly.
  5. Remove and discard the lower intake manifold gaskets.
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