Disassembly/Inspection and Service
106
62 690 05 Rev. E
KohlerEngines.com
ORIGINAL DESIGN Electronic Governor Intake and Throttle Body Assembly Components
A
B
C
D
E
F
G
H
I
J
L
K
Q
R
M
O
P
N
S
T
F
C
A
Elbow
B
Elbow O-ring
C
Throttle Body
D
Intake Manifold
E
Fuel Rail Assembly
F
Breather Hose
G
Injector
H
MAP Sensor
I
ECU
J
Air Cleaner Bracket
Assembly
K
Intake Air
Temperature Sensor
L
Lifting Bracket
M
Throttle Body Lever
Adapter
N
Linkage & Spring
O
GCU Bracket
P
DLA Bracket
Q
GCU Module
R
DLA
S
GCU Wiring Harness
Connector
T
TMAP Sensor
Remove Throttle Body (ORIGINAL DESIGN
Electronic Governor)
1. Disconnect TPS wire.
2. Loosen 2 screws securing lifting bracket and air
cleaner bracket to intake manifold.
3. Remove nuts securing elbow and throttle body.
4. Remove 3 screws securing GCU bracket.
5. Disconnect link clip from outboard end of DLA;
remove spring and linkage.
6. Carefully lift and move air cleaner brackets/ECU/
GCU up on front section of engine. Secure
temporarily to access and replace throttle body.
7. On earlier engines with separate intake air
temperature (IAT) and MAP sensors, disconnect IAT
sensor from throttle body.
8. Disconnect breather tube from throttle body.
9. Disconnect throttle position sensor connector.
10. Disconnect vent hose from bottom of throttle body.
11. Slide throttle body off studs.
12. Reverse procedure to reassemble, torque fasteners
to proper specifi cations. Air cleaner bracket screws
to 11.3 N·m (100 in. lb.); Air cleaner elbow to throttle
body nuts to 7.9 N·m (70 in. lb.).
Remove GCU (ORIGINAL DESIGN 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 2.1
N·m (19 in. lb.).