Important: Rotate the engine until the mark on the crankshaft balancer is at the 2 o'clock position.

1. Disconnect the battery negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement in Interior Trim.
3. Remove the valve rocker arm cover from the cylinder head. Refer to Valve Rocker Arm Cover Replacement .
4. Remove the valve rocker arm shaft bolt from the cylinder head.



5. Remove the valve rocker arm shaft with the valve rocker arm.




Important: All valve train components must be stored in the position that they were removed to insure proper installation.

6. Remove the push rods from the engine block.



7. Use a pair of pliers to break off the end of the nylon valve rocker arm retainers from the valve rocker arm shaft.
8. Remove the valve rocker arm retainers with a pair of pliers.



9. Slide the valve rocker arms from the rocker arm shaft.
10. Inspect each of the valve train components.

Notice: All valve train components must be reassembled in the exact order and position from which they were removed.

Important: The push rods must be installed in the original direction as disassembly. This is because the push rods have different degrees of hardness at each end. A paint stripe identifies the upper end of the push rod. If the paint stripe is not visible, mark the push rod on the upper end as the push rods are removed.

Important: Lubricate the valve rocker arms with clean engine oil before installing.

Notice: Install the valve pushrods with the copper-colored, painted, or marked end up in order to avoid damage or premature wear.

1. Install the push rod, with the painted or marked end up to the engine block.



2. Install the valve rocker arms to the valve rocker arm shaft (one type of valve rocker arm is used at all locations) to the cylinder head.
3. Install the valve rocker arm retainers to the cylinder head.
4. Center the valve rocker arm on the corresponding holes in the valve rocker arm shaft.
5. Use a drift of at least 13 mm (1/2 in) in diameter to install new retainers to the valve rocker arm shaft.




Notice: Improper installation of the valve rocker arm shaft bolts may cause valve rocker arm shaft breakage and piston to valve contact.

6. Install the valve rocker arm shaft assembly to the cylinder head.




Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

7. Install the valve rocker arm shaft bolts to the cylinder head.

Tighten
Tighten the bolts to 55 N·m (40 lb ft).

8. Install the valve rocker arm cover to the cylinder head. Refer to Valve Rocker Arm Cover Replacement .
9. Install the engine cover in the vehicle. Refer to Engine Cover Replacement in Interior Trim.
10. Connect the battery negative cables to the batteries. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.