D 250 Pickup L6-359 5.9L DSL (1992)
Use a feeler gauge to measure the gap.
Limits:
Ring
Minimum
Maximum
Top
0.4mm [0.0160 inch]
0.7Omm [0.0275 inch]
Intermediate
0.25mm [0.0100 inch]
0.55mm [0.0215 Inch]
Oil Control
0.25mm [0.0100 inch]
0.55mm [0.0215 inch]
PISTON RINGS - INSTALLATION
NOTE: The top surface of all of the rings are identified with the word "Top" or the suppliers "Mark"..
Assemble the rings with the word "Top" or "Mark" up.
Position the oil ring expander in the oil control ring groove.
