Chrysler RAM TRUCK 2500 1994 Service Manual page 878

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5.9L (DIESEL) ENGINE 9 - 157
ORIGINAL RADIUS
N E W UNDERCUT RADIUS
JOURNAL S U R F A C E ,
SURFACE FINISH
® 0.8 micrometer (32.0 microinch)
for a mi n i m um of 45° into the
^ fillet beyond journal surface
( § / 1.6 micrometer (64.0 microinch)
for remainder of fillet
(Q 0.4 micrometer (16.0 microinch)
WIDTH O F REGRIND/UNDERCUT RADIUS
® 34.79 ±0.025 m m (1.369 ±0.001 in)
J9109-132
Fig. 12 Grind Crankshaft Rod Journal—Alternative
Method
(2) Support the seal area of the rear seal housing
and press/drive out the seal using a hammer and a
pin pinch.
(3) Clean the rear seal housing.
C R A N K S H A F T
REAR SEAL
H O U S I N G
G A S K E T
J 9 1 0 9 - 9 9
Fig. 13 Crankshaft Rear Seal Housing/Gasket
INSTALLATION
(1) Clean and dry the rear crankshaft sealing sur­
face. The seal lip and the sealing surface on the
crankshaft must be free from all oil residue to pre­
vent seal leaks.
(2) Assemble the rear seal housing and gasket to
the cylinder block with the bolts.
(3) Align the seal housing to the crankshaft with
the alignment tool provided i n the seal k i t (Fig. 14).
Make sure the seal housing is level with both sides of
the block oil pan rail. Tighten the bolts to 9 N-m (7
ft. lbs.) torque.
(4) Remove the alignment tool and t r i m the gasket
even with the oil pan mounting surface (Fig. 14).
A L I G N M E N T
T O O L
J 9 1 0 9 - 1 0 0
Fig. 14 Crankshaft Rear Seal Housing Alignment
Tool
(5) The rubber O . D . rear crankshaft seals are l u ­
bricated with soapy water. Seals without rubber O . D .
use Loctite 277, or equivalent.
(6) Install the seal pilot (provided with the replace­
ment kit) onto the crankshaft. Push the seal onto the
crankshaft (Fig. 15).
(7) Remove the seal pilot.
J 9 1 0 9 - 1 0 1
Fig. 15 Crankshaft Rear Seal Pilot
(8) Use alignment and installation tool packaged
in the seal k i t (Fig. 16). Alternately, drive the seal at
the 12, 3, 6 and 9 o'clock positions to prevent bending
the seal carrier during installation.