Dodge RAM TRUCK 1500 1995 Service Manual page 948

9 - 104 5.9L ENGINE
B R
o
O
o
3 r
.25 DROP OF LOCTITE 515
ON BOTH SIDES OF
REAR MAIN CAP
J9509-75
Fig. 7 Sealant Application to Bearing Cap
(8) Clean and oil all cap bolts. Install all main
bearing caps. Install all cap bolts and alternately
tighten to 115 N-m (85 ft. lbs.) torque.
(9) Install oil pump.
(10) Apply Mopar® Silicone Rubber Adhesive Seal­
ant, or equivalent, at bearing cap to block joint to
provide cap to block and oil pan sealing (Fig. 8). Ap­
ply enough sealant until a small amount is squeezed
out. Withdraw nozzle and wipe excess sealant off the
oil pan seal groove.
(11) Install new front crankshaft oil seal.
(12) Immediately install the oil pan.
MOPAR SILICONE
RUBBER ADHESIVE
SEALANT
NOZZLE TIP
SEALANT
APPLIED
REAR MAIN
BEARING CAP
J9309-87
Fig. 8 Apply Sealant to Bearing Cap to Block Joint
CRANKSHAFT MAIN BEARINGS
Bearing caps are not interchangeable and should
be marked at removal to ensure correct assembly.
Upper and lower bearing halves are NOT inter­
changeable. Lower main bearing halves of No.2 and 4
are interchangeable.
Upper and lower No.3 bearing halves are flanged
to carry the crankshaft thrust loads. They are NOT
interchangeable with any other bearing halves in the
engine (Fig. 9). Bearing shells are available in stan­
dard and the following undersizes: 0.25 mm (0.001
inch), 0.051 mm (0.002 inch), 0.076 mm (0.003 inch),
0.254 mm (0.010 inch) and 0.305 mm (0.012 inch).
Never install an undersize bearing that will reduce
clearance below specifications.
UPPER
LOWER
J9309-101
Fig. 9 Main Bearing Identification
REMOVAL
(1) Remove the oil pan.
(2) Remove the oil pump from the rear main bear­
ing cap.
(3) Identify bearing caps before removal. Remove
bearing caps one at a time.
(4) Remove upper half of bearing by inserting
Crankshaft Main Bearing Remover/Installer Tool
C-3059 into the oil hole of crankshaft (Fig. 10).
(5) Slowly rotate crankshaft clockwise, forcing out
upper half of bearing shell.
SPECIAL
TOOL C-3059
m
REMOVING
9209-59
Fig. 10 Upper Main Bearing Removal and
Installation with Tool C-3059
INSTALLATION
Only one main bearing should be selectively fitted
while all other main bearing caps are properly tight­
ened. All bearing capbolts removed during service
procedures are to be cleaned and oiled before instal­
lation.