RAM 2500 Truck 4WD L6-359 5.9L DSL Turbo VIN D FI (1998)
6. Measure back (counterclockwise) 13 mm (0.50 inch) and mark housing.
7. Rotate adjustment cap back (counterclockwise) with spanner wrench until hole is aligned with the second mark.
8. Install and tighten locknut to 108 Nm (80 ft. lbs.). Be sure adjustment cap does not turn while tightening the locknut.