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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 263 (3.6L Engine (Service Information) - 1500) >> Manifolds >> Manifold, Intake >> Removal >> Upper

Manifold, Intake: Removal: Upper

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The engine cover is bonded to the air intake assembly. Do not attempt to separate them. The cover and intake must be removed as an assembly.

Fig 1: Removing/Installing Air Filter Box Cover
GC0154523Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect and isolate the negative battery cable.
  2. Separate the air cleaner cover (2) from the lower housing (4).
    Fig 2: IAT Sensor Electrical Connector
    GC0154633Courtesy of CHRYSLER GROUP, LLC
  3. Loosen the clamp at the throttle body (1).
  4. Disconnect the IAT sensor electrical connector (2).
    Fig 3: Breather Tube & Resonator
    GC0154529Courtesy of CHRYSLER GROUP, LLC
  5. Remove the breather hose (1) from the resonator (2).
  6. Remove the resonator from the vehicle.
    Fig 4: Manifold Absolute Pressure (MAP) Sensor, Electronic Throttle Control (ETC), Clip & Retainers
    GC0154014Courtesy of CHRYSLER GROUP, LLC
  7. Disconnect the electrical connectors from the Manifold Absolute Pressure (MAP) sensor (1) and the Electronic Throttle Control (ETC) (6).
  8. Remove the ETC harness from the clip (5) on the throttle body.
  9. Remove the wire harness retainer (2) from the upper intake manifold.
  10. Remove the wire harness retainers (3 and 4) from the left front upper intake manifold support bracket and reposition the wire harness.
    Fig 5: Purge Solenoid Electrical Connector
    GC0154425Courtesy of CHRYSLER GROUP, LLC
  11. Disconnect the electrical connector (3) to the purge solenoid (2).
  12. Remove the purge solenoid from the mounting bracket and position aside.
    Fig 6: Positive Crankcase Ventilation (PCV), Brake Booster & Vapor Purge
    GC0154015Courtesy of CHRYSLER GROUP, LLC
  13. Disconnect the following hoses from the upper intake manifold:
    • Positive Crankcase Ventilation (PCV) (1)
    • Vapor purge (3)
    • Brake booster (2)
    Fig 7: Left Front Upper Intake Manifold Support Bracket & Fasteners
    GC0154016Courtesy of CHRYSLER GROUP, LLC
  14. Remove two nuts (2), two bolts (3) and the left front upper intake manifold support bracket (1).
    Fig 8: Brake Booster Hose Retainer & Wire Harness Retainers
    GC0154017Courtesy of CHRYSLER GROUP, LLC
  15. Disengage the brake booster hose retainer (1) from the left rear upper intake manifold support bracket.
  16. Disengage the wire harness retainers (2) from the left rear upper intake manifold support bracket and reposition the wire harness.
    Fig 9: Left Rear Upper Intake Manifold Support Bracket And Fasteners
    GC0154592Courtesy of CHRYSLER GROUP, LLC
  17. Remove two nuts (2) from the left rear upper intake manifold support bracket (1).
  18. Loosen two studbolts (3) and reposition the left rear upper intake manifold support bracket (1) away from the upper intake manifold.
    Fig 10: Transfer Case Vent Hose, Fresh Air Makeup Hose, Positive Crankcase Ventilation (PCV) Hose, Retainers & Fasteners
    GC0154019Courtesy of CHRYSLER GROUP, LLC
  19. Lower the vehicle.
  20. Disengage and reposition the following hoses from the upper intake manifold:
    • Transfer case vent (3)
    • Positive Crankcase Ventilation (PCV) (5)
    • Fresh air makeup (4)
  21. Disengage the wire harness retainer (1) from the upper intake manifold.
  22. Disengage the wire harness connector retainer (2) from the right upper intake manifold support bracket.
  23. Disengage two purge tube retainers (6) from the right upper intake manifold support bracket.
    Fig 11: Upper Intake Manifold & Fasteners
    GC0154013Courtesy of CHRYSLER GROUP, LLC
  24. NOTE:

    The upper intake manifold attaching bolts are captured in the upper intake manifold. Once loosened, the bolts will have to be lifted out of the lower intake manifold and held while removing the upper intake manifold.

    NOTE:

    Exercise care not to inadvertently loosen the two fuel rail attachment bolts that are in close proximity of the upper intake manifold attaching bolts.

  25. Remove seven upper intake manifold attaching bolts (1) and remove the upper intake manifold (2).
    Fig 12: Intake Ports, Insulator & Alignment Posts
    GC0144184Courtesy of CHRYSLER GROUP, LLC
  26. Remove and discard the six upper to lower intake manifold seals (1).
  27. Cover the open intake ports to prevent debris from entering the engine.
  28. If required, remove the insulator (2) from the LH cylinder head cover.
  29. If required, remove the push-pins (2) and the rear insulation pad (1) from the upper intake manifold.
  30. If required, remove the Manifold Air Pressure (MAP) sensor from the upper intake manifold. Refer to SENSOR, MANIFOLD AIR PRESSURE (MAP), REMOVAL .
  31. If required, remove the throttle body from the upper intake manifold. Refer to THROTTLE BODY, REMOVAL .
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