Section 110-0030
Engine - Engine and Mounting
SM 1172 2-98
6
REMOVAL
Numbers in parentheses refer to Fig. 1.
Note: Tag all cables, harnesses, lines and pipes
disconnected during removal to aid in installation.
WARNINGS
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of adequate capacity to do the job
safely.
High electrical current can cause sparks
and personal injury from burns. Turn ignition
key switch to the 'Off' position before
removing any components. Remove battery
ground cable first, and reconnect last, to avoid
damaging electrical components.
1. Position the vehicle in a level work area, ensure the
body is fully lowered, apply the parking brake and
switch off the engine.
2. Turn steering wheel several times to relieve
pressure in the steering circuit. Block all road wheels.
3. Disconnect battery cables from battery terminal
ports before starting removal procedures. Disconnect
ground cable first.
4. Remove mounting hardware securing the hood on
the vehicle. Remove hood assembly from the vehicle.
5. Disconnect electrical connections from the radiator
guard and remove mounting hardware securing the
radiator guard on the vehicle. Remove radiator guard
from the vehicle.
6. Place a suitable container under the engine drain
port, remove drain plug and drain the oil. After
draining, reinstall drain plug in the engine sump and
tighten securely.
WARNING
Harmful gas. Before disconnecting any air
conditioner lines refer to Section 260-0130, AIR
CONDITIONING. Refrigerant will rapidly freeze
all objects with which it comes into contact,
and it can cause serious damage to the skin
and eyes.
7. If the truck is equipped with an air conditioning
system, evacuate refrigerant from the system and
disconnect lines at the compressor. Refer to Section
260-0130, AIR CONDITIONING.
8. With suitable containers in position, open drain cocks
and drain coolant from the radiator and engine (1)
assembly. Close all drain cocks after draining.
9. Identify cooling lines for ease of installation and with
suitable containers in position, disconnect cooling lines
from engine (1). Cap open line ends and fittings.
10. Using suitable lifting equipment, carefully remove
the radiator assembly from the vehicle. Refer to
Section 210-0040, RADIATOR AND MOUNTING.
11. Disconnect and remove air cleaner intake pipe
from the engine turbocharger and air cleaner.
12. Disconnect and remove exhaust tube from the
engine turbocharger.
13. Disconnect throttle control linkage from engine (1).
14. Identify heater lines for ease of installation and,
with a suitable container in position, disconnect heater
lines from engine (1). Cap open line ends and fittings.
15. Close fuel shutoff valve at filter head, identify fuel
lines for ease of installation and, with a suitable
container in position, disconnect fuel lines from
engine (1). Cap open line ends and fittings.
16. Slacken clamp (41) securing filler hose (40) to filler
tube (49). Disconnect filler hose (40) and tie onto
engine (1) to prevent fouling.
17. Identify all electrical harnesses and cables
attached to engine (1) for ease of installation and
disconnect from engine (1).
18. Disconnect driveline from engine coupling and
secure clear of engine (1). Refer to Section 130-0010,
FRONT DRIVELINE.
19. Remove tandem pump from the engine power
takeoff. Refer to Section 230-0050, TANDEM PUMP.
Note: The hydraulic lines can be left attached to the
tandem pump.
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