W 250 Pickup L6-359 5.9L DSL (1989)
Lubricate the pin and bore with engine oil.
Install the pin.
NOTE: Pistons do not require heating to install the pin, however, the piston does need to be at room temperature or above.
Determine the piston diameter and obtain the appropriate ring set.
PISTON RING GAP - CHECK
CAUTION: Be sure the rings look like the illustration.
