2500 4x2 Pickup L6-359 5.9L DSL Turbo (1994)
Rotate the crankshaft one-quarter rotation in the direction opposite engine rotation.
Tighten the adjusting screw for the exhaust valve two complete turns of the screw. Tighten the locknut.
CAUTION: Use extreme care that the piston does not push against the exhaust valve with so much force that it bends the push rod.
Rotate the crankshaft slowly in the direction of engine rotation until the piston touches the exhaust valve.
Mark the vibration damper corresponding to the wire pointer.
