Disassembly and assembly

1. Drain the coolant from the cooling system into a
suitable container. Refer to Operation and
Maintenance Manual, “Cooling System Coolant -
Change” for the correct procedure.
2. If the engine oil has become contaminated with
coolant, the engine oil and filter must be replaced.
Refer to Operation and Maintenance Manual,
“Engine Oil and Filter - Change” for the correct
procedure.
Illustration 151 g02706998
Illustration 152 g02871078
3. Disconnect the coolant hoses from tube assembly
(5).
4. Remove bolts (6) from tube assembly (5). Remove
tube assembly (5) from engine oil cooler assembly
(3).
5. Remove O-ring seal (7) (not shown) from tube
assembly (5).
6. Remove bolt (8) and bracket (9) from the engine oil
cooler assembly.
7. Remove boost pressure chamber cover (4). Refer
to Disassembly and Assembly, “Turbocharger -
Remove” for the correct procedure.
8. Remove bolts (1) from the engine oil cooler. Do not
remove the bolts in Position (X). Remove the
engine oil cooler assembly from the cylinder block.
Note: The bolts are different lengths. Note the
position of the different lengths bolts.
9. Remove gasket (2) (not shown).
Illustration 153 g02707318
10. If necessary, follow Step 10.a through Step 10.c
in order to disassemble the engine oil cooler.
a. Remove bolts (13) and bolts (14) from the
engine oil cooler assembly (3).
b. Remove cooler matrix (12) from housing (10).
90 UENR0624-03
Disassembly and Assembly Section
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