Chrysler RAM TRUCK 2500 1994 Service Manual page 873

9 - 152 5.9L (DIESEL) ENGINE
FEELER GAUGE
TOP
0.400 mm
(0.0160 inch)
0.700 mm
(0.0275 inch)
INTERMEDIATE
0.250 mm
(0.0100 inch)
0.550 mm
(0.0215 inch)
OIL CONTROL
0.250 mm
(0.0100 inch)
0.550 mm
(0.0215 inch)
J9109-71
Fig. 11 Piston Ring Gap
OIL CONTROL
RING
PISTON
EXPANDER
J9109-72
Fig. 12 Oil Control Ring/Expander Location in
Groove
PISTON RING
INSTALLATION
TOOL
J9109-74
Fig. 13 Piston Ring Installation Tool
Lubriplate 105, or equivalent to the new upper and
lower connecting rod bearings.
TOP
RING
INTERMEDIATE
RING
OIL CONTROL
RING
J9109-73
Fig. 14 Piston Ring Positioning
J9109-82
0.250 mm (.0098 in.)
0.500 mm (.0197 in.)
0.750 mm (.0295 in.)
1.000 mm (.0394 in.)
Fig. 15 Connecting Rod Bearing Size Location
INSTALLATION
( 1 ) Lubricate the cylinder bore with clean engine
oil.
(2) Generously lubricate the rings and piston skirts
with clean engine oil.
(3) Compress the rings using a piston ring com­
pressor tool (Fig. 16). If using a strap-type ring com­
pressor, make sure the inside end of the strap does
not hook on a ring gap and break the ring.
PISTON
RING
COMPRESSOR TOOL
J9109-83
Fig. 16 Piston Ring Compressor Tool
(4) Bar the crankshaft so the rod journal for the
piston to be installed is at BDC (Bottom Dead Cen­
ter) - (Fig. 17).
(5) Be sure the FRONT marking on the piston and
the numbers on the rod and cap are oriented as illus­
trated.
(6) Position the piston and rod assembly into the
cylinder bore with the word FRONT on the piston to-