Dodge ram truck 3500 1996 Service Manual page 1069

mm
5.2L ENGINE I - 79
REMOVAL AMD
INSTALLATION
(Continued)
MOPAR SILICONE SEALANT
RUBBER ADHESIVE APPLIED
Fig, 47 Apply Sealant to Bearing Cap to Block Joint
UPPER SEAL —CRANKSHAFT INSTALLED
R E 1 0 W A L
(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.
INSTALLATION
(1) Clean the cylinder block mating surfaces before
oil seal Installation. Check for burr at the oil hole on
the cylinder block mating surface to rear cap.
(2) 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.
(3) 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.
(4) Install the new lower rear bearing oil seal Into
the bearing cap with the white paint facing towards
the rear of the engine.
(5) Apply 5 mm (0.20 in) drop of Loctite 518, or
equivalent, on each side of the rear main bearing cap
(Fig. 46). 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.
(6) 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.
(7) Install the rear main bearing cap with cleaned
and oiled cap bolts. Alternately tighten ALL pap bolts
to 115 N-m (85 ft. lbs.) torque.
(8) Install oil pump.
(9) Apply Mopar Silicone Rubber Adhesive Sealant,
or equivalent, at bearing cap to block joint to provide
cap to block and oil pan sealing (Fig. 47). Apply
enough sealant until a small amount Is squeezed out.
Withdraw nozzle and wipe excess sealant off the oil
pan seal groove.
(10) Immediately install the oil pan.
LOWER
SEAL
REiOWAL
(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.
INSTALLATION
(1) Clean the rear main cap mating surfaces
including the oil pan gasket groove.
(2) Carefully install a new upper seal (refer to
Upper Seal Replacement - Crankshaft Installed pro­
cedure above).
(3) Lightly oil the new lower seal Hps with engine
oil.
(4) Install a new lower seal in bearing cap with
the white paint facing the rear of engine.
(5) Apply 5 mm (0.20 In) drop of Loctite 518, or
equivalent, on each side of the rear main bearing cap
(Fig. 46). 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.
(6) 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.
(7) Install the rear main bearing cap with cleaned
and oiled cap bolts. Alternately tighten the cap bolts
to 115 N-m (85 ft. lbs.) torque.
(8) Install oil pump.
(9) Apply Mopar Silicone Rubber Adhesive Sealant,
or equivalent, at bearing cap to block joint to provide
cap to block and oil pan sealing (Fig. 47). Apply
enough sealant until a small amount is squeezed out.
Withdraw nozzle and wipe excess sealant off the oil
pan seal groove.
(10) Immediately Install the oil pan.
ENGINE CORE OIL AND CAMSHAFT PLUGS
Engine core plugs have been pressed into the oil
galleries behind the camshaft thrust plate (Fig. 48).