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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 5.3L) >> Repair Instructions - Off Vehicle >> Intake Manifold Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Intake Manifold-To-Cylinder Head Gaskets
    GM1272799Courtesy of GENERAL MOTORS CORP.
  1. Remove and discard the intake manifold-to-cylinder head gaskets (514).
    2. Fig 2: MAP Sensor
    GM1807816Courtesy of GENERAL MOTORS CORP.
  2. Remove the manifold absolute pressure (MAP) sensor (714). Refer to Intake Manifold Removal .
    3. Fig 3: View Of EVAP Purge Solenoid Valve
    GM1411900Courtesy of GENERAL MOTORS CORP.
  3. Remove the evaporative emission (EVAP) canister purge solenoid valve (730), EVAP tube (729), and fuel rail with injectors. Refer to Fuel Rail and Injectors Removal .
  4. Remove the throttle body and gasket. Refer to Throttle Body Removal .
  5. Clean the intake manifold in solvent.
    6. WARNING: Refer to Safety Glasses Warning .
  6. Dry the intake manifold with compressed air.
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