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901136 REV A 10/3/11, INST 64-66 CHEV P-UP wo AC w/ STD EVAP KIT PG 13 OF 24
#10 SUCTION
LINE
HEATER
HOSE
NOTE: FLOW ARROW DECAL
ON HEATER CONTROL VALVE.
ROUTE HEATER HOSE FROM WATER PUMP TO THE HEATER LINE COMING THROUGH THE FIREWALL AS
SHOWN IN FIGURE 10, BELOW. SECURE USING HOSE CLAMPS. NOTE: A SMALL AMOUNT OF SILICONE
SPRAY WILL EASE HEATER HOSE INSTALLATION.
ROUTE HEATER HOSE FROM THE INTAKE TO THE HEATER LINE COMING THROUGH THE FIREWALL AS SHOWN
BELOW. NOTE: INSTALL HEATER CONTROL VALVE IN-LINE WITH INTAKE MANIFOLD (PRESSURE SIDE) HEATER
HOSE, SECURE USING HOSE CLAMPS AS SHOWN.
NOTE PROPER FLOW DIRECTION.
HOSE SHOULD PROTRUDE THROUGH THE FIREWALL COVER SLIGHTLY TO CLOSE THE GAP BETWEEN THE
ALUMINUM LINE AND THE FIREWALL COVER. SEAL ANY REMAINING GAP WITH RTV SILICONE.
HEATER HOSE & HEATER CONTROL VALVE INSTALLATION
LIQUID
LINE
FIGURE 10
HEATER
HOSE
FROM INTAKE
MANIFOLD
FROM EVAPORATOR TO WATER PUMP
FROM HTR CNTRL VLV
TO EVAPORATOR
