HEATER AND AIR CONDITIONING 1A-6
INSTALL VALVE WITH ARROW POINTING A W A Y FROM TEE.
Fig. 11—Auxiliary Heater Control Switch
Fig. 10—Auxiliary Heater Water Valve
COMPONENT REPLACEMENT AND REPAIRS Since a detailed lis t of installation instructions is in cluded with the auxiliary h eater unit, replacem ent p ro cedures will not be repeated in this section. C AUTIO N : All M odels—When replacing h eater hoses, m aintain a 1 -1 /8 " minimum clearance between the auxiliary h eater core outlet line and the exhaust pipe (fig. 12). Draw hoses tight to prevent sag or rub against other components.
Fig. 12—Auxiliary Heater Hose Routing-Suburban Models
10-30 CHEVROLET TRUCK SERVICE MANUAL