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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the vacuum plug (513), if required.
    2. Fig 1: View Of Vacuum Plug
    GM1310056Courtesy 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 2: View Of Throttle Body, Nuts, Studs & Gasket
    GM1310037Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel injection fuel rail bolts/studs.
  6. Remove the fuel injection fuel rail with injectors.
    7. Fig 3: View Of Fuel Injection Rail
    GM1198692Courtesy 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 4: View Of Intake Manifold & Bolts
    GM1309972Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The intake manifold gaskets are not reusable.
  9. Remove and discard the intake manifold side gaskets.
    10. Fig 5: View Of Intake Manifold Side Gaskets
    GM1309978Courtesy of GENERAL MOTORS CORP.
  10. Remove and discard the intake manifold end seals.
    11. Fig 6: View Of Intake Manifold End Seals
    GM1309980Courtesy 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.
    12. Fig 7: View Of Intake Manifold Splash Shield
    GM1309982Courtesy of GENERAL MOTORS CORP.
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