interference. If tool does not fit, the cover must be
removed and installed properly.
(4) Place a suitable tool behind the lips of the oil
seal to pry the oil seal outward. Be careful not to
damage the crankshaft seal bore of cover.
(5) Place the smaller diameter of the oil seal over
Front Oil Seal Installation Tool 6635 (Fig. 68). Seat
the oil seal in the groove of the tool.
(6) Position the seal and tool onto the crankshaft
(Fig. 69).
(7) Using the vibration damper bolt, tighten the
bolt to draw the seal into position on the crankshaft
(Fig. 70).
(8) Remove the vibration damper bolt and seal
installation tool.
(9) Inspect the seal flange on the vibration
damper.
(10) Install the vibration damper.
(11) Connect the negative cable to the battery.
CRANKSHAFT OIL SEALS—REAR
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 —CRANKSHAFT REMOVED
REMOVAL
(1) Remove the crankshaft. Discard the old upper
seal.
INSTALLATION
(1) Clean the cylinder block rear cap mating sur-
face. Make sure the seal groove is free of debris.
Fig. 68 Placing Oil Seal on Installation Tool 6635
1 – CRANKSHAFT FRONT OIL SEAL
2 – INSTALL THIS END INTO SPECIAL TOOL 6635
Fig. 69 Position Tool and Seal onto Crankshaft
1 – SPECIAL TOOL 6635
2 – OIL SEAL
3 – TIMING CHAIN COVER
Fig. 70 Installing Oil Seal
1 – SPECIAL TOOL 6635
2 – TIMING CHAIN COVER
9 - 118 5.2L ENGINE DN
REMOVAL AND INSTALLATION (Continued)
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