Dodge 2001 Ram 1500 Owner's Manual page 1295

9 - 148 ENGINE 5.9L
CRANKSHAFT OIL SEAL - FRONT (Continued)
(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.
INSTALLATION
(1) Place the smaller diameter of the oil seal over
Front Oil Seal Installation Tool 6635 (Fig. 28). Seat
the oil seal in the groove of the tool.
(2) Position the seal and tool onto the crankshaft
(Fig. 29).
(3) Using the vibration damper bolt, tighten the
bolt to draw the seal into position on the crankshaft
(Fig. 30).
(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. 28 Placing Oil Seal on Installation Tool 6635
1 - CRANKSHAFT FRONT OIL SEAL
2 - INSTALL THIS END INTO SPECIAL TOOL 6635
CRANKSHAFT OIL SEAL -
REAR
DESCRIPTION
The crankshaft rear seal is a two piece viton seal. The
crankshaft front seal is a one piece viton seal with a
steel housing. The front seal is located in the engine
front cover. One part of the two piece rear seal is
located in a slot in the cylinder block oppsite the crank-
shaft main bearing cap, the second part of the two piece
seal is located in the main bearing cap itself.
Fig. 29 Position Tool and Seal onto Crankshaft
1 - SPECIAL TOOL 6635
2 - OIL SEAL
3 - TIMING CHAIN COVER
Fig. 30 Installing Oil Seal
1 - SPECIAL TOOL 6635
2 - TIMING CHAIN COVER
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.
BR/BE