12
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901277 REV F 11/18/16, PG 12 OF 24
Heater Hose
& Heater Control Valve Installation
1.
2.
Route a piece of heater hose from the water pump to the lower heater line coming through the firewall as
shown in Figure 10, below. Secure using hose clamps.
Route a piece of heater hose from the intake to the upper heater line coming through the firewall as shown
in Figure 10, below.
NOTE: Install the heater control valve in line with the intake manifold (pressure
side) heater hose, and secure using hose clamps. Also note proper flow direction.
FROM EVAPORATOR
TO WATER PUMP
FROM INTAKE
MANIFOLD
FROM HTR CNTRL VLV
TO EVAPORATOR
Figure 10
ECU
Module
Press
Tape
#10 Hardline
(Insulated)
Expansion
Valve
Firewall
Firewall Cover
642068
O-rings
#10 A/C
Hose
#6 A/C
Hose
Heater
Hose
NOTE: Flow Direction Follows
Molded Arrow on Valve.