Disassembly/Inspection and Service
87
19 690 01 Rev. --
KohlerEngines.com
Remove Throttle Body
1. Cut Oetiker hose clamps securing air cleaner hose
to throttle body and air cleaner housing. Remove air
cleaner hose from throttle body.
2. Remove screws securing throttle body bracket and
air cleaner support bracket. Remove nuts securing
throttle body to intake manifold.
3. Disconnect link clip from outboard end of DLA;
remove spring and linkage.
4. Remove throttle body with vent hose from studs.
5. Reverse procedure to reassemble, torque fasteners
to proper speci
fi
cations. Secure air cleaner hose to
housing and throttle body with new screw-type
clamps. Torque air cleaner support bracket to throttle
body bracket screws to 10.2 N·m (90 in. lb.); throttle
body nuts to 6.8 N·m (60 in. lb.).
Remove GCU (Electronic Governor)
1. Remove screws securing GCU to GCU bracket.
2. Unplug wiring harness connector from GCU.
3. Reverse procedure to install. Torque screws to
3.1 N·m (27 in. lb.).
Remove Ignition Coils
1. Remove screws securing ignition coils to intake
manifold. Remove coils.
2. Reverse procedure to install. Torque screws to
10.2 N·m (90 in. lb.).
Remove Fuel Injectors
1. Remove screw for each injector and pull injector out
of intake manifold.
2. When removed, pull metal retaining clip connecting
fuel injector to fuel injector cap. There may be some
fuel left in line. Any spilled fuel must be cleaned up
immediately.
3. Reverse procedure to install. Torque fuel injector cap
screws to 7.3 N·m (65 in. lb.).
Remove TMAP Sensor
Remove screw and pull TMAP sensor out of intake
manifold. Install sensor and secure with screw. Torque
screw to 7.3 N·m (65 in. lb.).
Remove Fuel Pump Assembly
WARNING
Explosive Fuel can cause
fi
res and severe
burns.
Do not
fi
ll fuel tank while engine is hot or
running.
Gasoline is extremely
fl
ammable and its vapors can
explode if ignited. Store gasoline only in approved
containers, in well ventilated, unoccupied buildings,
away from sparks or
fl
ames. Spilled fuel could ignite
if it comes in contact with hot parts or sparks from
ignition. Never use gasoline as a cleaning agent.
Fuel pump was removed as part of intake manifold
assembly. An exploded view of that assembly with
steps to disassemble it follow.
Fuel Pump Assembly Components
A
E
D
C
B
A
Fuel Pump
B
Outlet Line
C
Pulse Line
D
Fuel Filter
E
Inlet Line
1. Disconnect outlet line, pulse line, and inlet line
from fuel pump.
Fuel
fi
lter may stay attached to inlet line.
2. Remove 2 screws securing fuel pump to bracket
on intake manifold and remove fuel pump.
3. Remove screws securing bracket to intake
manifold and remove bracket.
4. Reverse procedure to install. Torque screws to
8.2 N·m (73 in. lb.).
