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CAB INSTALLATION
14 of 28
STEP 17: (HEATER PLUMBING
CONTINUED)
17.3
Slide
1”
hose clamp and Female Insert In
-
Line Coupling
onto the right hose outside the cab and tighten down
hose clamp onto hose/barb of in
-
line coupling. See
figure 17.3
17.4
Slide
1”
hose clamp and Male Insert In
-
Line Coupling
onto the left hose outside the cab and tighten down
hose clamp onto hose/barb of in
-
line coupling. See
figure 17.3
17.5
Connect the mating in
-
line couplings to the previously
installed couplings. Cut 51 inches of heater hose, install
hose and
1”
hose clamp onto the right side hose
coupling and run hose towards the front of the vehicle
using figures 17.3 and 17.6 as reference. With
remaining heater hose, install hose and
1”
hose clamp
onto the left side hose coupling. Again using figures
17.3 and 17.6 for suggested routing.
17.6
Run heater hose per figure 17.6.
17.7
Disconnect temp sensor wire from the back of the
temperature sensor. Remove
3/8”
plug as well as
temperature sensor and brass washer from water
pump. See figure 17.7.
17.8
Install block adapter into
3/8”
plug location per figure
17.7.
17.9
Using the (3) supplied nylon washers as needed to seal
the sending unit and have the threaded section point up
as shown on figure 17.9.
17.10
Re
-
install brass washer and temperature sensor into
the backside of the sending unit adapter per figure 17.9.
Fig. 17.3 (Heater Hose Disconnects, Outside of Cab)
Right
Hose
Female Insert
Coupling
Female Insert
Coupling
Left
Hose
Figure 17.6 (Heater Hose Routing)
Left
Hose
Right
Hose
Figure 17.7 (Block Adapter Install)
Block
Adapter
Temp. Sensor
Location
Figure 17.9 (Sending Unit Install)
Block
Adapter
Here
Temp. Sensor
Elec. Connection