Remove the rocker arm cover.
Crank the engine until the mark on the vibration damper lines up with the center or "O" mark on the timing tab, and the engine is in the number one firing position. This may be determined by placing fingers on the number one valve as the mark on the damper comes near the "0" mark on the timing tab. If the rocker arms are not moving, the engine is in the number one firing position. If the rocker arms move as the mark comes up to the timing tab, the engine is in the number six firing position and should be turned over one more time to reach the number one position.
With the engine in the number one firing position as determined above, the following valves may be adjusted:
Exhaust: 1, 3, 4, 8
Intake: 1, 2, 5, 7
(Even numbered cylinders are in the right bank; odd numbered cylinders are in the left bank, when viewed from the rear of the engine.)
Back out the adjusting nut until lash is felt at the pushrod, then turn in the adjusting nut until all lash is removed. This can be determined by rotating the pushrod while turning the adjusting nut. When the play has been removed, turn the adjusting nut inward one full additional turn (to center the lifter plunger).
Crank the engine one revolution until the timing tab "0" mark and vibration damper mark are again in alignment. This is the number six firing position; the following valves may be adjusted:
Exhaust: 2, 5, 6, 7
Intake: 3, 4, 6, 8
Install rocker arm cover. Torque Torque to:11 Nm (95 lb in)
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Sunday, May 15th, 2011 AT 11:52 AM
