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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1268 (Engine Mechanical - 4.8L, 5.3L, 6.0L Or 6.2L (3 Of 5)) >> Off-Vehicle Repair Instructions (1 Of 3) >> Intake Manifold Removal (RPO LY2/LY6/L92)

Intake Manifold Removal (RPO LY2/LY6/L92)

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    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: Identifying 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 & Bolts
    GM1403311Courtesy of GENERAL MOTORS CORP.
  4. Remove the intake manifold bolts (512).
  5. Remove the intake manifold (500) with gaskets.
    6. Fig 4: View Of Intake Manifold Gasket
    GM1277097Courtesy of GENERAL MOTORS CORP.
  6. Remove the intake manifold gaskets (514).
  7. Discard the intake manifold gaskets.
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