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5.9L ENGINE
DN
REMOVAL AND INSTALLATION (Continued)
(2) Hold the oil pump base flush against mating
surface on No.5 main bearing cap. Finger tighten
pump attaching bolts. Tighten attaching bolts to 41
N·m (30 ft. lbs.) torque.
(3) Install the oil pan.
CRANKSHAFT OIL SEAL—FRONT
The oil seal can be replaced without removing the
timing chain cover provided the cover is not misaligned.
(1) Disconnect the negative cable from the battery.
(2) Remove vibration damper.
(3) If front seal is suspected of leaking, check front
oil seal alignment to crankshaft. The seal installation/alignment tool 6635, should fit with minimum
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. 74). Seat
the oil seal in the groove of the tool.
Fig. 75 Position Tool and Seal onto Crankshaft
1 – SPECIAL TOOL 6635
2 – OIL SEAL
3 – TIMING CHAIN COVER
Fig. 74 Placing Oil Seal on Installation Tool 6635
1 – CRANKSHAFT FRONT OIL SEAL
2 – INSTALL THIS END INTO SPECIAL TOOL 6635
(6) Position the seal and tool onto the crankshaft
(Fig. 75).
(7) Using the vibration damper bolt, tighten the
bolt to draw the seal into position on the crankshaft
(Fig. 76).
(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.
Fig. 76 Installing Oil Seal
1 – SPECIAL TOOL 6635
2 – TIMING CHAIN COVER