Spring(S), Valve: Installation

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

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NOTE:

All valve springs and seals are installed in the same manner.

NOTE:

The intake seal has a smaller spring seat diameter compared to the exhaust seal.

Install a new valve guide seal.
NOTE:
The intake spring retainer has a longer free length compared to the exhaust spring retainer.
Install the valve spring.
Install the valve spring retainer.
Using the valve spring compressor (special tool #9065C, Compressor, Valve Spring) (3) and the rocker arm adapter (special tool #9065-3, Adapter, Valve Spring Compressor) (1), compress the valve spring and install the valve spring retainer locks.

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Remove the valve spring compressor (special tool #9065C, Compressor, Valve Spring) (3) and the rocker arm adapter (special tool #9065-3, Adapter, Valve Spring Compressor).
Release the air charge (1) in the cylinder.
CAUTION:
Verify that the pushrods are fully seated into the lifters and the rocker arms. Recheck after rocker arm shaft has been torqued to specification.
Install the rocker arm shaft and push rods. Refer to ROCKER ARM, VALVE, INSTALLATION .

Fig 1: Rocker Arm Shaft Bolt Tightening Sequence
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NOTE:
Repeat torque sequence several times to ensure rocker shaft assembly is firmly seated.
Using the sequence shown, tighten the rocker arm shaft bolts to 22 N.m (16 ft. lbs.).

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Remove the pushrod retainer (special tool #9070, Retainer, Push Rod) (1).
Install the cylinder head cover. Refer to INSTALLATION
Install the air cleaner housing and clean air tube. Refer to BODY, AIR CLEANER, INSTALLATION .
Connect the negative battery cable.