Dodge RAM TRUCK 1500 1995 Service Manual page 949

mm
5 J L ENGINE 9 -105
When installing a new upper bearing shell, slightly
chamfer the sharp edges from the plain side.
(1) Start bearing in place, and insert Crankshaft
Main Bearing Remover/Installer Tool C-3059 into oil
hole of crankshaft (Fig. 10).
(2) Slowly rotate crankshaft counterclockwise slid­
ing the bearing into position. Remove Tool C-3059.
(8) Install the bearing cap. 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.
UPPER 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. 7). DO NOT over apply sealant or allow the
sealant to contact the rubber seal. Assemble bearing
cap to cylinder block immediately after sealant appli­
cation.
(9) To align the bearing cap, use cap slot, align­
ment dowel and cap bolts. DO NOT remove excess
material after assembly. DO NOT strike rear cap
more than 2 times for proper engagement.
(10) 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.
(11) Install oil pump.
(12) 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.
(13) Install new front crankshaft oil seal.
(14) Immediately install the oil pan.
UPPER SEAL REPLACEMENT—CRANKSHAFT
INSTALLED
(1) Remove the oil pan.
(2) Remove the oil pump from the rear main bear­
ing cap.
(3) Remove the rear main bearing cap. Remove
and discard the old lower oil seal.
(4) Carefully remove and discard the old upper oil
seal.
(5) Clean the cylinder block mating surfaces before
oil seal installation.
(6) Lightly oil the new upper seal lips with engine
oil. To allow ease of installation of the seal, loosen at
least the 2 main bearing caps forward of the rear
bearing cap.
(7) Rotate the new upper seal into the cylinder
block being careful not to shave or cut the outer sur­
face of the seal. To assure proper installation, use the
installation tool provided with the kit. Install the
new seal with the white paint facing towards the
rear of the engine.
(8) Install the new lower rear bearing oil seal into
the bearing cap with the white paint facing towards
the rear of the engine.
(9) Apply 5 mm (0.20 in) drop of Loctite 518, or
equivalent, on each side of the rear main bearing cap
(Fig. 7). DO NOT over apply sealant or allow the
sealant to contact the rubber seal. Assemble bearing
cap to cylinder block immediately after sealant appli­
cation. Be sure the white paint faces toward the rear
of the engine.
(10) To align the bearing cap, use cap slot, align­
ment dowel and cap bolts. DO NOT remove excess
material after assembly. DO NOT strike rear cap
more than 2 times for proper engagement.
(11) Install the rear main bearing cap with cleaned
and oiled cap bolts. Alternately tighten ALL cap bolts
to 115 N-m (85 ft. lbs.) torque.
(12) Install oil pump.
(13) 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.
(14) Immediately install the oil pan.
LOWER SEAL REPLACEMENT
(1) Remove the oil pan.
(2) Remove the oil pump from the rear main bear­
ing cap.
(3) Remove the rear main bearing cap and discard
the old lower seal.
(4) Clean the rear main cap mating surfaces in­
cluding the oil pan seal grooves.
(5) Carefully install a new upper seal (refer to Up­
per Seal Replacement - Crankshaft Installed proce­
dure above).