13
901189 REV D 02/02/17, INST 55-59 CHEV P-UP w/ STANDARD CONTROLS EVAP KIT PG 13 OF 24
Figure 12
Heater Hose &
Heater Control Valve Installation
1.
2.
Route a 90° heater hose through the firewall, and connect to the heater line on the evaporator as shown in
Figure 12, below. Route the other end of the hose to the water pump, and secure using hose clamps.
NOTE: A
small amount of silicone spray will ease heater hose installation.
Route a 90° heater hose through the firewall, and connect to the heater line on the evaporator. Route the
other end of the hose to the intake.
NOTE: Install heater control valve in line with intake manifold
(pressure side) heater hose, and secure using hose clamps as shown. Also note proper flow
direction.
Heater
Hoses
Heater
Hoses
Hose
Clamps
#6 Liquid
Line
#10 Suction
Line
From Heater
Control Valve
to Evaporator
From Intake
Manifold
From Evaporator
to Water Pump
NOTE: Flow direction follows molded
arrow on valve.
