77. Valve Rocker Arm, Shaft, and Push Rod Installation

Valve Rocker Arm, Shaft, and Push Rod Installation

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

Important: Ensure that the ball ends of the valve pushrods seat in the valve rocker arms.





1. Install the valve pushrods with the copper-colored, painted or marked end upwards.
2. Install the valve rocker arm shaft assembly.

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

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the bolts.
3.1. Rotate the crankshaft, until the mark on the crankshaft balancer is at the 2 o'clock position.
3.2. Rotate the crankshaft counterclockwise 88 mm (3 1/2 inch), aligning the crankshaft balancer mark with the first lower water pump bolt, at approximately the 1 2:30 position.
3.3. This procedure will position the engine so that no valves are close to a piston crown.
3.4. Finger-tighten the bolts. Tighten Alternately tighten the bolts to 55 Nm (40 ft. lbs.).
4. Rotate the crankshaft in order to make sure that there is free-movement of the valve train.