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62
Figure 52 Draining the oil
3. Place a oil drain pan beneath the oil drain plug to
collect the oil.
4. Remove oil pan drain plug (M25) and O-ring.
Drain engine oil and dispose of used engine oil
according to applicable laws.
5. Discard O-ring, inspect drain plug and replace if
necessary. Place a new O-ring onto drain plug
and install to oil pan. See special torque value
(Table 3).
Component Removal
Turbocharger Oil Inlet Tube
1. Loosen turbocharger oil inlet tube assembly nut
from fitting on top of oil filter header.
2. Remove two mounting bolts (M8 x 20) securing
the turbocharger and oil inlet tube assembly to the
top of the turbocharger central housing. Remove
turbocharger oil inlet tube assembly.
flange O-ring.
3. Remove turbocharger oil drain tube bracket and
bolt (M8 x 16) at crankcase.
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
MOUNTING ENGINE ON ENGINE STAND
Discard
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
Turbocharger
WARNING: To prevent personal injury or
death, inspect turbocharger with engine off,
and turbocharger not spinning.
components may be extremely hot. Turbocharger
wheels are very sharp and spin at high speeds.
WARNING: To prevent personal injury or
death, support turbocharger assembly during
removal and installation.
Figure 53 Turbocharger mounting nuts
1.
Nut, M10 (4)
NOTE: To aid in the disassembly of the turbocharger,
loosen four nuts (M10) between 1/8 and 1/4 of a
turn then tap each nut using a socket or flat punch
and hammer. This will knock the "peaks" of the stud
threads off the "ramps" of the special Spiralock® nuts,
thus allowing the nuts to unthread with considerable
ease.
NOTE: Remove turbocharger and oil drain tube as an
assembly. The oil drain tube is trapped between the
turbocharger and crankcase.
1. Remove four nuts (M10 flange head) securing
turbocharger assembly to exhaust manifold
flange.
Turbocharger
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