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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Evaporative Emission Canister Solenoid Valve & Harness
    GM1523560Courtesy of GENERAL MOTORS CORP.
  1. Remove the evaporative emission (EVAP) canister purge solenoid valve harness.
    1. Push the quick disconnect clip and hold in place.
    2. Pull outward on the harness elbow.
    2. Fig 2: View Of Intake Manifold Assembly & Bolts
    GM31510Courtesy 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.
    4. 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.
  4. Remove the intake manifold assembly.
  5. Remove and discard the lower intake manifold gaskets.
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