Crankshaft, Main Bearings, and Flywheel
02
040
32
RG,RG34710,177 –19–13AUG99–1/1
Install Crankshaft Rear Oil Seal Housing
RG8162 –UN–05DEC97
Rear Seal Housing Installed on Aligner
RG8163 –UN–05DEC97
Centering Rear Seal Housing with JDG975
RG8816 –UN–20MAY98
Rear Seal Housing Torque Sequence
A—JDG977 Front/Rear Pan Rail Aligner
B—Rear Seal Housing
C—JDG975 Timing Gear Cover/Rear Seal Housing
Aligner
D—Tapered Locators
NOTE: Clean all gasket material and sealant from oil pan
gasket rail prior to installing rear seal housing for
proper housing alignment.
Ensure that OD of crankshaft flange and ID of rear seal
housing is free of nicks and burrs. Restore damaged
surfaces with emery cloth and clean surfaces thoroughly.
1. Install JDG977 Pan Rail Aligner (A) onto rear pan rail
(as shown) using two cap screws provided. Tighten
cap screws securely.
2. Install rear seal housing (B) using a new gasket;
bottom edge of gasket should extend through opening
in alignment plate. Tighten housing cap screws finger
tight.
3. Install larger end of JDG975 Timing Gear Cover/Rear
Seal Housing Aligner (C) onto crankshaft rear flange
with tapered locators (D) at 3 o’clock and 9 o’clock
position.
4. Center housing and tighten cap screws to
specifications using torque sequence shown in lower
illustration.
Specification
Rear Oil Seal Housing Cap
Screws—Torque 25 N•m (18 lb-ft)..............................................................
5. Remove alignment tools from engine and trim rear seal
housing gasket flush with bottom of seal housing and
oil pan gasket surface.
CTM100 (06APR04)
02-040-32
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=228
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