Upper Intake Manifold
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Remove the engine cover (1).
- Remove the intake resonator. Refer to RESONATOR, AIR CLEANER, REMOVAL .
- Disconnect the electrical connectors from the Manifold Absolute Pressure (MAP) sensor (1) and the Electronic Throttle Control (ETC) (7).
- Disengage the ETC harness from the clip (8) on the throttle body. Disengage the wire harness retainers (4 and 5) from the upper intake manifold near the MAP sensor and reposition the wire harness.
- Disconnect the following hoses from the upper intake manifold:
- Positive Crankcase Ventilation (PCV) (3)
- Vapor purge (6)
- Brake booster (2).
- Disengage the wire harness retainer (4) from the upper intake manifold support bracket (5).
- Disengage the wire harness retainer (3) from the stud-bolt (2).
- Remove the upper nuts (1).
- Remove the lower stud. (2).
- Remove the bracket from the manifold.
- Remove two upper nuts (1).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 loosen the two fuel rail attachment bolts that are in close proximity of the upper intake manifold attaching bolts.
- Remove seven manifold attaching bolts (1) and remove the upper intake manifold (2).
- Remove and discard the six upper to lower intake manifold seals (1).
- Cover the open intake ports to prevent debris from entering the engine.
- If required, remove the insulator (2) from the LH cylinder head cover.