Disassembling The Oil System Module - Navistar INTERNATIONAL DT 466 Service Manual

OIL SYSTEM MODULE ASSEMBLY AND SECONDARY FILTRATION

Disassembling the Oil System Module

NOTE: Perform the following disassembly procedures
as required for your particular repair situation. Do
not disassemble any components unless component
failure or leakage has been detected.
Figure 413 Removing the regulating valve
1. Using a 24 mm or 15/16 in wrench, remove the
regulating valve from the oil system module.
Remove and discard both O-ring seals.
2. Remove two bolts (M8 x 20) retaining the oil
thermal valve assembly.
Figure 414 Removing the oil thermal valve
3. Remove the oil thermal valve from the oil system
module. Remove O-ring and discard.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Figure 415 Separating cooler heat exchanger
from oil cooler housing
CAUTION: To prevent oil cooler heat exchanger
damage, do not use power tools to remove or install
bolts. Bolts will be damaged if removed to quickly.
4. Remove eight bolts (M8 x 20) and separate cooler
heat exchanger from the oil cooler housing.
NOTE: Bolts are thread-forming fasteners. These
bolts may be removed and reinstalled or replaced
with standard machined bolts.
CAUTION: To prevent engine damage,
removing the cooler heat exchanger from its base
housing, do not use excessive force against the
aluminum cooler plate to separate from base. Do
not apply any force to the fins of the cooler heat
exchanger.
2
Figure 416 Separation of cooler heat exchanger
from oil cooler housing base
1.
2.
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
1
Cooler heat exchanger
Oil cooler housing base
287
when
H13030