1981-87 CHEV PICK-UP - Vintage Air

HEATER HOSE & HEATER CONTROL VALVE INSTALLATIONROUTE HEATER HOSE FROM WATER PUMP TO THE HEATER LINE COMING THROUGH THE FIREWALL ASSHOWN IN FIGURE 12, BELOW. SECURE USING HOSE CLAMPS. NOTE: A SMALL AMOUNT OF SILICONESPRAY WILL EASE HEATER HOSE INSTALLATION.ROUTE HEATER HOSE FROM THE INTAKE TO THE HEATER LINE COMING THROUGH THE FIREWALL AS SHOWNBELOW. NOTE: INSTALL HEATER CONTROL VALVE IN-LINE WITH INTAKE MANIFOLD (PRESSURE SIDE) HEATERHOSE, SECURE USING HOSE CLAMPS AS SHOWN. NOTE PROPER FLOW DIRECTION.HOSE SHOULD PROTRUDE THROUGH THE FIREWALL COVER SLIGHTLY TO CLOSE THE GAP BETWEEN THEALUMINUM LINE AND THE FIREWALL COVER. SEAL ANY REMAINING GAP WITH RTV SILICONE.FROM HEATER CORETO WATER PUMPHEATERHOSEO-RINGS#10 SUCTIONLINEFROM HTR CNTRL VLVTO HEATER CORE FROM INTAKEHEATERHOSEMANIFOLD#6 LIQUIDLINENOTE: FLOW ARROW DECALON HEATER CONTROL VALVE.FIGURE 12901182 REV A 6/13/11, INST 81-87 CHEV P-UP wo AC EVAP KIT PG 14 OF 2714