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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> 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: View Of Vacuum Plug
    GM1310056Courtesy of GENERAL MOTORS CORP.
  1. Remove the vacuum plug (513), if required.
    2. Fig 2: View Of Throttle Body, Nuts, Studs & Gasket
    GM1310037Courtesy of GENERAL MOTORS CORP.
  2. Remove the throttle body nuts (503).
  3. Remove the throttle body (502) and gasket (501).
  4. Remove the studs (504), if required.
    5. Fig 3: View Of Fuel Injection Rail
    GM1198692Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel injection fuel rail bolts/studs.
  6. Remove the fuel injection fuel rail with injectors.
    7. Fig 4: View Of Intake Manifold
    GM1397564Courtesy of GENERAL MOTORS CORP.
  7. Remove the intake manifold bolts.
    8. IMPORTANT: Do not attempt to loosen the manifold by prying under the gasket surface with any tool.
  8. Remove the intake manifold.
    9. Fig 5: Identifying Intake Manifold Gaskets
    GM1397570Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The intake manifold gaskets are not reusable.
  9. Remove and discard the intake manifold side gaskets.
    10. Fig 6: View Of Intake Manifold End Seals
    GM1309980Courtesy of GENERAL MOTORS CORP.
  10. Remove and discard the intake manifold end seals.
    11. Fig 7: View Of Intake Manifold Splash Shield
    GM1309982Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The splash shield is secured using a snap-in fit. Do not distort the splash shield. The splash shield is reusable.
  11. Remove the splash shield.
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