Chrysler RAM TRUCK 2500 1994 Service Manual page 879

9 - 158 5.9L (DIESEL) ENGINE
Fig. 16 Crankshaft Rear Seal Alignment/Installation
Tool
CRANKSHAFT REAR SEAL
REMOVAL
(1) Remove the transmission (refer to Group 21,
Transmission for the proper procedure).
(2) Remove the clutch cover.
(3) Remove the clutch plate.
(4) Remove the flywheel.
(5) Drill holes 180° apart into the seal. Be careful
not to get the drill against the crankshaft.
(6) Install #10 sheet metal screws i n the drilled
holes and remove the rear seal with a slide hammer
(Fig. 17).
Fig. 17 Crankshaft Rear Seal Removal
INSTALLATION
CAUTION: The seal lip and the sealing surface on
the crankshaft must be free from all oil residue to
prevent seal leaks.
#
(1) Install the seal pilot, provided i n the replace­
ment kit, on the crankshaft. Push the seal on the pi­
lot and crankshaft.
(2) Remove the seal pilot.
(3) Seal O.D. lubricant/sealant:
• Rubber O.D. rear crankshaft seals are lubricated
with soapy water.
• Seals without rubber O.D. use Loctite 277 or
equivalent sealant.
(4) Use the alignment tool to install the seal to the
correct depth i n the housing. Use a hammer to drive
the seal into the housing until the alignment tool
stops against the housing (Fig. 18).
(5) H i t the tool at the 12, 3, 6 and 9 o'clock posi­
tions to drive the seal evenly and prevent bending
the seal housing.
Fig. 18 Seal Installation using Alignment Tool
FLYWHEEL RING GEAR
REMOVAL
(1) Remove the transmission.
(2) Remove the clutch cover.
(3) Remove the clutch plate.
(4) Remove the flywheel.
WARNING: W E A R E Y E P R O T E C T I O N WHEN Y O U
DRIVE T H E G E A R FROM T H E F L Y W H E E L DO NOT
U S E A S T E E L DRIFT PIN.
(5) Use a drift pin to drive the ring gear from the
flywheel (Fig. 19). Strike the gear at several points
around the wheel until i t is off.
(6) Heat the new ring for 20 minutes i n an oven
preheated to 127°C (250°F).
WARNING: W E A R P R O T E C T I V E G L O V E S WHEN
Y O U INSTALL T H E HEATED G E A R .
The crankshaft and seal must be dry when the seal
is installed.
(7) Install the gear. The gear must be installed so
the bevel on the teeth is towards the crankshaft side
of the flywheel (Fig. 19).