Rear Crankshaft Oil Seal-Replacement; Rear Main Seal Components-Exploded View - Jeep cherokee 1989 Owner's Manual

the corners where the gaskets join. Coat the inside curved surface of
the replacement rear gasket section (where it contacts the bearing cap)
with soap.
17 Slide the oil pan up under the engine and reinstall the oil pump
and pickup tube, tighening the oil pump mounting bolts to the specified
torque. Install the oil pan and tighten the bolts to the specified torque,
working from the center out in several steps.
18 Reinstall the remaining parts in the reverse order of removal.
19 Check that the drain plug is tight and then add the amount of oil
specified in Chapter 1.
2 0 Run the engine and check for oil leaks.
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1 6 Oil pump removal and installation
See Chapter 2, Part A, Section 19 for this procedure, but be sure
to use the torque specifications and illustration 15.1 2 in this Part of
Chapter 2.
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17 removal and installation
Refer t o Chapter 2, Part A, Section 2 0 for this procedure, but be
sure to use the torque specifications in this Part of Chapter 2.
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1 8 Rear crankshaft oil seal
Refer to illustrations 18.3a, 18.3b and 18.5
1 Remove the oil pan (see Section 15).
2 Remove the rear main bearing cap and pry the old seal half out
of the bearing cap with a small screwdriver.
3 Carefully drive the old upper main seal out with a small brass punch
and a hammer until it protrudes sufficiently from the engine block to
be gripped with needle-nose pliers and removed (see illustrations). Use
great care t o avoid damaging the crankshaft.
4 Thoroughly clean the main bearing cap and the rear of the block1
crankshaft, removing all traces of oil and old sealer.
5 Coat the lip of the new upper seal with engine oil; coat the outside
surface with liquid soap (see illustration).
6
Insert the seal into the groove in the engine block with the lip facing
forward.
7 Coat both sides of the lower seal ends with RTV sealer and put
liquid soap on the outside of the seal (see illustration 18.5). Do not
apply RTV or soap to the seal lip. Press the seal into place in the cap
and apply a film of engine oil to the seal lip. Caution: Do not apply
sealant to the cylinder block mating surfaces of the rear main bearing
cap. Doing this would alter the bearing-to-journal clearance.
8 Apply RTV sealer to the chamfered edges of the rear main bearing
cap (see illustration 18.5) and install the cap. Tighten the bolts to the
specified torque.
9 Reinstall the remaining components in the reverse order of removal.
1 0 Add the amount of oil specified in Chapter 1, run the engine and
check for oil leaks.
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1 9 Engine mounts check and replacement
Refer to Chapter 2, Part A, Section 22. The inline six-cylinder engine
mounts are slightly different, but this doesn't affect the check and
replacement procedures.
The Motor Manual Guy
Chapter 2 Part C
replacement
Drive one side of the upper seal i n
. . .
until the other side protrudes far enough to
grasp it with needle-nose pliers and pull
ENGINE OIL ON LIP
RTV SEALER ON
TOP AND
OF BOTH
OF SEAL
18.5 Rear main seal components
2C-1 I
. . .
out
it
ON OUTSIDE
I
exploded view