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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions >> Intake Manifold Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

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  1. GM2902816Courtesy of GENERAL MOTORS COMPANY

    Remove and discard the intake manifold-to-cylinder head gaskets (1).

  2. GM2902817Courtesy of GENERAL MOTORS COMPANY

    Remove the manifold absolute pressure (MAP) sensor bolt (1), MAP sensor (2), and seal (3).

  3. Remove the evaporative emission (EVAP) canister purge solenoid valve bolt (5), EVAP canister purge solenoid valve (6), and seal (7).
  4. Clean the intake manifold (4) in solvent.
  5. Dry the intake manifold with compressed air.