3500 4x4 Pickup L6-359 5.9L DSL Turbo (1996)
Looking through the hole in the gear housing, rotate the engine until the hole in the cam gear can be seen.
Adjust the exhaust rocker lever to have zero (0) valve clearance.
Remove the injector nozzles from all of the cylinders.
NOTE: This step is important to vent the cylinders so the crankshaft can be rotated smoothly to locate TDC for Cylinder Number 1.
Temporarily install the vibration damper. Fabricate and install a wire pointer as shown.