Right Cylinder Head

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.

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CAUTION:

The magnetic timing wheels (1) must not come in contact with magnets (pickup tools, trays, etc.) or any other strong magnetic field. This will destroy the timing wheels ability to correctly relay camshaft position to the camshaft position sensor.

Perform the fuel system pressure release procedure. Refer to FUEL SYSTEM PRESSURE RELEASE PROCEDURE .
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.
Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
Remove the belly pan. Refer to BELLY PAN, REMOVAL .
Drain the cooling system. Refer to STANDARD PROCEDURE .
Drain the engine oil. Refer to STANDARD PROCEDURE .
Remove the right side catalytic converter from the cylinder head and position aside. Refer to CONVERTER, CATALYTIC, REMOVAL .
NOTE:
It is not necessary to completely remove the catalytic converter from the vehicle.
Lower the vehicle.

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Remove the engine cover (1).
Recover the refrigerant from the A/C system. Refer to PLUMBING, STANDARD PROCEDURE .
Remove the air cleaner body. Refer to BODY, AIR CLEANER, REMOVAL .
Remove the air cleaner resonator. Refer to RESONATOR, AIR CLEANER, REMOVAL .
Remove the upper and lower intake manifolds and insulator. Refer to MANIFOLD, INTAKE, REMOVAL .
Remove the spark plugs. Refer to SPARK PLUG, REMOVAL .

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Disconnect the ignition coil capacitor harness connector (1).
Remove the engine timing cover. Refer to COVER(S), ENGINE TIMING .

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CAUTION:
When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve or piston damage.
Rotate the crankshaft clockwise to place the number one piston at TDC on the exhaust stroke by aligning the dimple (4) on the crankshaft with the block/bearing cap junction (5). The left side cam phaser arrows (2) should point toward each other and be parallel to the valve cover sealing surface (3). The right side cam phaser arrows (7) should point away from each other and the scribe lines (9) should be parallel to the valve cover sealing surface (8).
CAUTION:
Always reinstall timing chains so that they maintain the same direction of rotation. Inverting a previously run chain on a previously run sprocket will result in excessive wear to both the chain and sprocket.
Mark the direction of rotation on the timing chain using a paint pen or equivalent to aid in reassembly.

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CAUTION:
When the timing chains are removed and the cylinder heads are still installed, DO NOT rotate the camshafts or crankshaft without first locating the proper crankshaft position. Failure to do so will result in valve or piston damage.
Reset the RH cam chain tensioner by pushing back the tensioner piston and installing Tensioner Pin (special tool #8514, Pins, Tensioner) (1).

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NOTE:
Minor rotation of a camshaft (a few degrees) may be required to install the camshaft phaser lock.
Install the RH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser) (5).
Loosen the intake oil control valve (2) and exhaust oil control valve (7).
Remove the RH Camshaft Phaser Lock (special tool #10202, Locks, Camshaft/Phaser) (5).
Remove the oil control valve (2) from the right side intake cam phaser and pull the phaser off of the camshaft.
Remove the oil control valve (7) from the right side exhaust cam phaser and pull the phaser off of the camshaft.

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Remove the RH cam chain tensioner arm (6).
Remove two T30 bolts (4) and the RH cam chain tensioner (3).
Remove three T30 bolts (2) and the RH cam chain guide (1).
Remove the right camshafts. Refer to CAMSHAFT, ENGINE, REMOVAL .
NOTE:
If the rocker arms are to be reused, identify their positions so that they can be reassembled into their original locations.
Remove the rocker arms. Refer to ROCKER ARM, VALVE, REMOVAL .
NOTE:
If the hydraulic lifters are to be reused, identify their positions so that they can be reassembled into their original locations.
If required, remove the hydraulic lifters. Refer to LIFTER(S), HYDRAULIC, REMOVAL .

Fig 1: Cylinder Head Retaining Bolt Removal Sequence - Right
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CAUTION:
DO NOT use an impact gun or any type of power tools to break loose or remove the head bolts. This can cause the threads to pull out of the block with the bolts.
Using the sequence shown in illustration, remove the cylinder head retaining bolts.

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WARNING:
The multi-layered steel head gaskets have very sharp edges that could cause personal injury if not handled carefully.

NOTE:
The head gasket (1) crimps the locating dowels (2) and the dowels may pull out of the engine block when the head gasket is removed.
Remove the cylinder head and gasket. Discard the gasket.
CAUTION:
Do not lay the cylinder head on its gasket sealing surface, due to the design of the cylinder head gasket, any distortion to the cylinder head sealing surface may prevent the gasket from properly sealing resulting in leaks.

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If required, remove the bolt (2) and the ignition coil capacitor (1).