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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 804 (Engine Mechanical - 4.3L (Unit Repair)) >> Repair Instructions >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  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: EVAP Canister Purge Solenoid Valve Harness
    G01689567Courtesy 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.

    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.
    Fig 2: Lower Intake Manifold Bolts & Gaskets
    G01689568Courtesy of GENERAL MOTORS CORP.
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