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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 160 (Engine Mechanical - 4.8L, 5.3L, 6.0L And 6.2L (3 Of 5)) >> Off-Vehicle Repair Instructions (1 Of 3) >> Intake Manifold Removal (RPO L92)

Intake Manifold Removal (RPO L92)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of PCV Dirty-Air Hose
    GM1658148Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.
    • DO NOT use the intake manifold-to-cylinder head gaskets again.
  1. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).
    2. Fig 2: View Of MAP Sensor
    GM1401987Courtesy of GENERAL MOTORS CORP.
  2. Remove the manifold absolute pressure (MAP) sensor (714) and retainer (736), as required.
  3. Remove the O-ring (715) from the sensor, as required.
    4. Fig 3: View Of Intake Manifold
    GM1401989Courtesy of GENERAL MOTORS CORP.
  4. Remove the intake manifold bolts (512).
  5. Remove the intake manifold (500) with gaskets from the first design engine.
    6. Fig 4: View Of Intake Manifold & Bolts
    GM1403311Courtesy of GENERAL MOTORS CORP.
  6. Remove the intake manifold bolts (512).
  7. Remove the intake manifold (500) with gaskets from the second design engine.
    8. Fig 5: View Of Intake Manifold-To-Cylinder Head Gasket
    GM1277097Courtesy of GENERAL MOTORS CORP.
  8. Remove the intake manifold gaskets (514).
  9. Discard the intake manifold gaskets.
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