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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (3.6L Engine (Service Information)) >> Manifolds >> Manifold, Intake >> Removal >> Lower

Manifold, Intake: Removal: Lower

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Upper Intake Manifold & Bolts
GC0144183Courtesy of CHRYSLER GROUP, LLC
WARNING:

The fuel system is under constant pressure even with engine off. Before servicing the fuel rail, fuel system pressure must be released.

  1. Release fuel system pressure. Refer to STANDARD PROCEDURE .
  2. Disconnect and isolate the negative battery cable.
  3. Remove the resonator and upper intake manifold (2). Refer to MANIFOLD, INTAKE, REMOVAL .
    Fig 2: Intake Ports, Insulator & Alignment Posts
    GC0144184Courtesy of CHRYSLER GROUP, LLC
  4. Remove the insulator (2) from the LH cylinder head cover.
    Fig 3: Fuel Supply Line
    GC0147087Courtesy of CHRYSLER GROUP, LLC
  5. Disconnect the fuel supply hose (1) from the fuel rail inlet. Refer to FITTING, QUICK CONNECT .
  6. Disconnect the fuel injector electrical connectors.
    Fig 4: Injection/Ignition Harness Retainer & Main Wire Harness Retainer
    GC0144480Courtesy of CHRYSLER GROUP, LLC
  7. Disengage the injection/ignition harness retainer (1) form the rear of the lower intake manifold.
  8. Disengage the main wire harness retainer (2) form the rear of the lower intake manifold.
    Fig 5: Lower Intake Manifold & Attaching Bolts
    GC0144186Courtesy of CHRYSLER GROUP, LLC
  9. Remove the eight lower intake manifold attaching bolts (1).
  10. Remove the lower intake manifold (2) with the fuel injectors and fuel rail.
    Fig 6: Lower Intake Manifold To Cylinder Head Seals
    GC0144265Courtesy of CHRYSLER GROUP, LLC
  11. Remove and discard the six lower intake manifold to cylinder head seals (1).
    Fig 7: Fuel Rail & Retaining Bolts
    GC0144187Courtesy of CHRYSLER GROUP, LLC
  12. If required, remove the fuel rail (2) and fuel injectors from the lower intake manifold. Refer to RAIL, FUEL, REMOVAL .