Dodge Dakota Sport 2001 Service Manual page 1124

AN
CRANKSHAFT OIL SEAL - FRONT (Continued)
(3) Using the vibration damper bolt, tighten the
bolt to draw the seal into position on the crankshaft
(Fig. 34).
(4) Remove the vibration damper bolt and seal
installation tool.
(5) Inspect the seal flange on the vibration
damper.
(6) Install the vibration damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
INSTALLATION).
(7) Connect the negative cable to the battery.
Fig. 32 Placing Oil Seal on Installation Tool 6635
1 - CRANKSHAFT FRONT OIL SEAL
2 - INSTALL THIS END INTO SPECIAL TOOL 6635
Fig. 33 Position Tool and Seal onto Crankshaft
1 - SPECIAL TOOL 6635
2 - OIL SEAL
3 - TIMING CHAIN COVER
Fig. 34 Installing Oil Seal
1 - SPECIAL TOOL 6635
2 - TIMING CHAIN COVER
CRANKSHAFT OIL SEAL -
REAR
DESCRIPTION
The crankshaft rear seal is a two piece viton seal.
One part of the two piece rear seal is located in a slot
in the number four (4) crankshaft main bore, the sec-
ond part of the two piece seal is located in the num-
ber four (4) main bearing cap.
OPERATION
The crankshaft seals prevent oil from leaking from
around the crankshaft, either from the rear of the
engine or from the engine front cover.
DIAGNOSIS AND TESTING—REAR SEAL AREA
LEAKS
Since it is sometimes difficult to determine the
source of an oil leak in the rear seal area of the
engine, a more involved inspection is necessary. The
following steps should be followed to help pinpoint
the source of the leak.
If the leakage occurs at the crankshaft rear oil seal
area:
(1) Disconnect the battery.
(2) Raise the vehicle.
(3) Remove torque converter or clutch housing
cover and inspect rear of block for evidence of oil.
Use a black light to check for the oil leak:
ENGINE 3.9L 9 - 95