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905458 REV E 07/10/18, PG 10 OF 29
A/C & Heater Hose Installation
1.
2.
Using a properly lubricated O-ring, route the straight, previously marked, #6 A/C hose through the bottom 1”
hole on the evaporator firewall bracket, and connect it to the expansion valve, ensuring that the mark on the
fitting points toward the firewall bracket/front of the truck (See Photos 1 & 2, below, and Figure 1, Page 9).
Using a properly lubricated O-ring, connect the 90° fitting on the #10 A/C hose to the #10 suction port on the
evaporator. Direct the hose down and under the blower, and out of the remaining 1.30” hole in the evaporator
bracket at the 3 o’clock position. Use the supplied tie wrap to secure the hose to the Adel clamp located under
the blower (See Photos 3 & 4, below, and Figure 1, Page 9).
Photo 1
Photo 4
Photo 3
Expansion Valve
#6 A/C Hose Routing
Mark on
Fitting
#6 A/C Hose
Photo 2
Mark on
Fitting
#10 Suction
Port
#10 A/C Hose
Tie Wrap
Adel Clamp
#6 A/C Hose
Summary of Contents for 754562
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