Installation Procedure

WARNING: This page is about a different variant/trim than selected.

NOTE:

Be sure to keep parts in order. Parts must be reinstalled into the original location and position.

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Apply lubricant to the following rocker arm contact surfaces:
- Pushrod socket (1)
- Roller pivot (2)
- Valve stem tip (3)
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Install the pushrod (2).
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CAUTION:
Refer to Fastener Caution .
NOTE:
- When using the valve train components again, always install the components to the original location and position.
- Valve lash is net build. No valve adjustment is required.
- Lubricate the flange of the valve rocker arm bolts with clean engine oil.
- Lubricate the valve rocker arms and pushrods with clean engine oil.
- Ensure the pushrods seat properly to the valve lifter sockets.
- The rocker arm bolts are not serviced separately.
- Ensure the pushrods seat properly to the ends of the rocker arms.
- DO NOT tighten the rocker arm bolts at this time.
Install the rocker arm and bolt assembly.
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Rotate the crankshaft until number 1 piston is at top dead center of compression stroke.

In this position, cylinder number 1 rocker arms will be off lobe lift, and the crankshaft sprocket key will be at the 1: 30 position. The camshaft and crankshaft sprocket alignment marks (1, 2) will be in the 12 o'clock position. If viewing from the rear of the engine, the additional crankshaft pilot hole, non-threaded, will be in the 10: 30 position.

The engine firing order is 1, 8, 7, 2, 6, 5, 4, 3.

Cylinders 1, 3, 5, and 7 are left bank.

Cylinders 2, 4, 6, and 8 are right bank.

CAUTION:

Refer to Fastener Caution

With the engine in the number 1 firing position, tighten the following valve rocker arm bolts:
1. Tighten the exhaust valve rocker arm bolts 1, 2, 7, and 8 to 30 N.m (22 lb ft).
2. Tighten the intake valve rocker arm bolts 1, 3, 4, and 5 to 30 N.m (22 lb ft).
Rotate the crankshaft 360 degrees.
Tighten the following valve rocker arm bolts:
- Tighten the exhaust valve rocker arm bolts 3, 4, 5, and 6 to 30 N.m (22 lb ft).
- Tighten the intake valve rocker arm bolts 2, 6, 7, and 8 to 30 N.m (22 lb ft).
Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side (LT1) , or Valve Rocker Arm Cover Replacement - Left Side (LT4) , or Valve Rocker Arm Cover Replacement - Right Side (LT1) , or Valve Rocker Arm Cover Replacement - Right Side (LT4) .