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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1030 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 2 Of 3)) >> Repair Instructions (Off-Vehicle Repair Instructions Part 2) >> 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.
    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.
    2. Fig 1: View Of PCV Hose
    GM1201537Courtesy of GENERAL MOTORS CORP.
  2. Remove the manifold absolute pressure (MAP) sensor (714), if required.
    3. Fig 2: View Of MAP Sensor
    GM1277093Courtesy of GENERAL MOTORS CORP.
  3. Remove the engine coolant air bleed clamp and hose from the throttle body.
  4. Remove the evaporative emission (EVAP) solenoid (708), bolt (710), and isolator (709).
    5. Fig 3: View Of EVAP Purge Solenoid, Bolt & Isolator
    GM1277094Courtesy of GENERAL MOTORS CORP.
  5. Remove the intake manifold bolts.
  6. Remove the intake manifold with gaskets.
    7. Fig 4: View Of Intake Manifold & Bolts
    GM1201541Courtesy of GENERAL MOTORS CORP.
  7. Separate the intake manifold-to-cylinder head gaskets (514) from the manifold.
    8. Fig 5: View Of Intake Manifold-To-Cylinder Head Gasket
    GM1277097Courtesy of GENERAL MOTORS CORP.
  8. Discard the intake manifold gaskets.
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