D 250 Pickup L6-359 5.9L DSL (1992)
Use two flywheel housing capscrews to assemble the plate over Cylinder Number 1.
Rotate the crankshaft in the direction of rotation until the piston contacts the plate.
Mark the pulley.
Rotate the engine in the opposite direction until the piston contacts the plate.
Mark the pulley.
Mark the pulley for TDC. TDC will be one-half the distance between the first two marks.
