Dodge RAM TRUCK 1500 1995 Service Manual page 950

9 - 106 5 J L ENGINE
mm
(6) Lightly oil the new lower seal lips with engine
oil.
(7) Install a new lower seal in bearing cap with
yellow paint facing the rear of 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) 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.
(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) Immediately install the oil pan.
CYLINDER BLOCK
Remove the engine assembly from the vehicle.
DISASSEMBLE
(1) Remove the cylinder head.
(2) Remove the oil pan.
(3) Remove the piston/connecting rod assembly.
CLEANING
Clean cylinder block thoroughly and check all core
hole plugs for evidence of leaking.
INSPECTION
Examine block for cracks or fractures.
The cylinder walls should be checked for out-of-
round and taper with Cylinder Bore Indicator Tool
6879. The cylinder block should be bored and honed
with new pistons and rings fitted if:
• The cylinder bores show more than 0.127 mm
(0.005 inch) out-of-round.
• The cylinder bores show a taper of more than
0.254 mm (0.010 inch).
• The cylinder walls are badly scuffed or scored.
Boring and honing operation should be closely co­
ordinated with the fitting of pistons and rings so
specified clearances may be maintained.
Refer to Standard Service Procedures in the begin­
ning of this Group for the proper honing of cylinder
bores.
GIL LINE PLm
The oil line plug is located in the vertical passage
at the rear of the block between the Oil-To-Filter and
Oil-From-Filter passages (Fig. 11). Improper installa­
tion or plug missing could cause erratic, low or no oil
pressure.
(1) Remove oil pressure sending unit from back of
block.
(2) Insert a 3.175 mm (1/8 inch) finish wire or
equivalent into passage.
(3) Plug should be 190.0 to 195.2 mm (7-172 to
7-11/16 inches) from machined surface of block (Fig.
11). If plug is too high, use a suitable flat dowel drift
to position properly.
RIGHT OIL GALLERY
J9109-229
Fig. 11 Oil Line Plug
(4) If plug is too low, remove oil pan and rear main
bearing cap. Use suitable flat dowel to position prop­
erly. Coat outside diameter of plug with Mopar®
(stud and bearing mount adhesive), or equivalent.
Plug should be 54.0 to 57.7 mm (2-178 to 2-5/16
inches) from bottom of the block.
(5) Assemble engine and check oil pressure.
JZNGIBSiE ©©ME, OIL AMD CAMSHAFT PLUGS
Engine core plugs have been pressed into the oil
galleries behind the camshaft thrust plate (Fig. 12).
This will reduce internal leakage and help maintain
higher oil pressure at idle.
REMOVAL
(1) Using a blunt tool such as a drift or a screw­
driver and a hammer, strike the bottom edge of the
cup plug (Fig. 13).
(2) With the cup plug rotated, grasp firmly with
pliers or other suitable tool and remove plug (Fig.
18).
CLEAI11G
Thoroughly clean inside of cup plug hole in cylinder
block or head. Be sure to remove old sealer.
Make certain the new plug is cleaned of all oil or
grease.