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Home >> Chevrolet >> 2012 >> Suburban C1500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1905 (Engine Mechanical - Hybrid (LZ1) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Intake Manifold Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Intake Manifold-To-Cylinder Head Gasket
    GM1277097Courtesy of GENERAL MOTORS COMPANY
  1. Remove and discard the intake manifold-to-cylinder head gaskets (514).
    2. Fig 2: Intake Manifold
    GM1401989Courtesy of GENERAL MOTORS COMPANY
  2. Remove the manifold absolute pressure (MAP) sensor (714). Refer to Intake Manifold Removal .
  3. Remove the evaporative emission (EVAP) canister purge solenoid valve, EVAP tubes, and fuel rail with injectors. Refer to Fuel Rail and Injectors Removal .
  4. Remove the throttle body and gasket. Refer to Throttle Body Assembly Removal .
  5. Clean the intake manifold (500) in solvent.
    6. WARNING:

    Refer to Safety Glasses and Compressed Air Warning .

  6. Dry the intake manifold with compressed air.
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