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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 906 (Engine Mechanical - 4.3L (LU3)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. 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: Removing EVAP Canister Purge Solenoid Valve Harness
      G01977728Courtesy 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: Removing Intake Manifold Assembly
    G01977729Courtesy of GENERAL MOTORS CORP.
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