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Home >> Jeep >> 2012 >> Wrangler V6-3.6L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Intake Manifold >> Service and Repair >> Removal and Replacement >> Intake Manifold - Removal >> Lower

Lower






LOWER






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 Service and Repair.
2. Disconnect and isolate the negative battery cable.
3. Remove the air cleaner body and upper intake manifold (2) Intake Manifold - Removal.





4. Remove the insulator (2) from the LH cylinder head cover.





5. Disconnect the fuel supply hose (2) from the fuel rail Service and Repair.
6. Disconnect the fuel injector electrical connectors (1).





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.





9. Remove the eight lower intake manifold attaching bolts (1).
10. Remove the lower intake manifold (2) with the fuel injectors and fuel rail.





11. Remove and discard the six lower intake manifold to cylinder head seals (1).





12. If required, remove the fuel rail (2) and fuel injectors from the lower intake manifold Fuel Rail - Removal.