Dodge RAM TRUCK 1500 1995 Service Manual page 917

Fig, 3 Apply Sealant to Bearing Cap to Block Joint
0.254 mm (0.010 inch) and 0.305 mm (0.012 inch).
Never install an undersize bearing that will reduce
clearance below specifications.
Fig. 4 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. 5).
(5) Slowly rotate crankshaft clockwise, forcing out
upper half of bearing shell.
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.
When installing a new upper bearing shell, slightly
chamfer the sharp edges from the plain side.
: ! : ' • : ; 1 INSTALLING
Fig, 5 Upper Main Bearing Removal and Installation
with Tool C-3059
(1) Start bearing in place, and insert Crankshaft
Main Bearing Remover/Installer Tool C-3059 into oil
hole of crankshaft (Fig. 5).
(2) Slowly rotate crankshaft counterclockwise slid­
ing the bearing into position. Remove Tool C-3059.
(3) Install the bearing caps. Clean and oil the
bolts. Tighten the capbolts to 115 N-m (85 ft. lbs.)
torque.
(4) Install the oil pump.
(5) Install the oil pan.
CRANKSHAFT REAR OIL SEALS
The service seal is a 2 piece, viton seal. The upper
seal half can be installed with crankshaft removed
from engine or with crankshaft installed. When a
new upper seal is installed, install a new lower seal.
The lower seal half can only be installed with the
rear main bearing cap removed.
U P P E R SEAL
REPLACEMENT—CRANKSHAFT
REMOVED
(1) Remove the crankshaft. Discard the old upper
seal.
(2) Clean the cylinder block rear cap mating sur­
face. Make sure the seal groove is free of debris.
(3) Lightly oil the new upper seal lips with engine
oil.
(4) Install the new upper rear bearing oil seal with
the white paint facing towards the rear of the engine.
(5) Position the crankshaft into the cylinder block.
(6) Lightly oil the new lower seal lips with engine
oil.
(7) Install the new lower rear bearing oil seal into
the bearing cap with the white paint facing towards
the rear of the engine.
(8) Apply 5 mm (0.20 in) drop of Loctite 518, or
equivalent, on each side of the rear main bearing cap
(Fig. 2). DO NOT over apply sealant or allow the
sealant to contact the rubber seal. Assemble bearing