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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1929 (Engine Mechanical - 3.6L (2 Of 6)) >> Repair Instructions - On Vehicle (1 Of 2) >> Upper Intake Manifold Replacement (LCS) >> Upper Intake Manifold Replacement

Upper Intake Manifold Replacement

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove Fuel Injector Sight Shield. Refer to Fuel Injector Sight Shield Replacement (LCS) .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  3. Remove Drive Motor Generator Control Module Assembly. Refer to Drive Motor Generator Control Module Assembly Replacement .
    4. Fig 1: Positive Crankcase Ventilation (PCV) Tube Assembly
    GM2137793Courtesy of GENERAL MOTORS CORP.
  4. Disconnect and remove the positive crankcase ventilation (PCV) tube (1) from the intake manifold and right camshaft cover.
    5. Fig 2: Evaporative (EVAP) Solenoid
    GM2137794Courtesy of GENERAL MOTORS CORP.
  5. Remove the evaporative (EVAP) hose from the intake manifold and EVAP solenoid.
    6. Fig 3: Evaporative (EVAP) Solenoid
    GM2137795Courtesy of GENERAL MOTORS CORP.
  6. Loosen the EVAP solenoid bolt.
  7. Remove the EVAP solenoid (1).
    8. Fig 4: Fuel Pump Cover
    GM2137797Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel pump cover bolt (1).
  9. Remove the fuel pump cover (2).
    10. Fig 5: Intake Manifold Assembly & Bolts
    GM2137802Courtesy of GENERAL MOTORS CORP.
  10. Remove the intake manifold bolts (1, 2).
  11. Remove the intake manifold assembly (3).
    12. Fig 6: Intake Manifold Gasket
    GM2137804Courtesy of GENERAL MOTORS CORP.
  12. Remove and discard the intake manifold gasket (1).
  13. Discount any electrical connectors as needed.
  14. Discount any hose as needed.
  15. Clean and inspect the intake manifold and the sealing surfaces.

Installation Procedure

    Fig 7: Intake Manifold Gasket
    GM2137804Courtesy of GENERAL MOTORS CORP.
  1. Install the NEW intake manifold gasket (1).
    2. Fig 8: Intake Manifold Assembly & Bolts
    GM2137802Courtesy of GENERAL MOTORS CORP.
  2. Install the intake manifold assembly (3).
  3. Install the intake manifold bolts (1, 2).
    4. Fig 9: Identifying Intake Manifold Bolt Tightening Sequence
    GM2091550Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  4. Tighten the intake manifold bolts in the sequence shown.
  5. Tighten the intake manifold bolts in sequence to 23 N.m (17 lb ft).
  6. Tighten the intake manifold bolts a second pass in sequence to 23 N.m (17 lb ft).
    7. Fig 10: Fuel Pump Cover
    GM2137797Courtesy of GENERAL MOTORS CORP.
  7. Install the fuel pump cover (2).
  8. Install the fuel pump cover bolt (1) and tighten to 10 N.m (89 lb in).
    9. Fig 11: Evaporative (EVAP) Solenoid
    GM2137795Courtesy of GENERAL MOTORS CORP.
  9. Install the evaporative (EVAP) solenoid (1).
  10. Tighten the EVAP solenoid bolt to 10 N.m (89 lb in).
    11. Fig 12: Evaporative (EVAP) Solenoid
    GM2137794Courtesy of GENERAL MOTORS CORP.
  11. Connect the EVAP hose to the upper intake manifold and EVAP solenoid.
    12. Fig 13: Positive Crankcase Ventilation (PCV) Tube Assembly
    GM2137793Courtesy of GENERAL MOTORS CORP.
  12. Connect the positive crankcase ventilation (PCV) tube assembly (1) to the upper intake manifold and the right camshaft cover.
  13. Install Drive Motor Generator Control Module Assembly. Refer to Drive Motor Generator Control Module Assembly Replacement .
  14. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  15. Connect electrical connectors as needed.
  16. Install Fuel Injector Sight Shield. Refer Fuel Injector Sight Shield Replacement (LCS) .
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