GMC 1986 P-Truck Service Manual page 65

1B-2 AIR CONDITIONING
CCOT A/C System-C-K S e r ie s ............................................................................................................................. 1P-32
Condenser R e p la ce m e n t......................................................................................................................................1B-33
A ccum ulator Replacement....................................................................................................................................1B-34
Blower Assembly Replacem ent........................................................................................................................... 1B-34
Evaporator Core R e p la c e m e n t........................................................................................................................... 1B-34
O rifice (Expansion Tube) R e p lace m e n t............................................................................................................1B-35
Selector Duct and Heater Core R e p la ce m e n t................................................................................................. 1B-37
Actuator-Plenum Side Vent R e p lace m e n t........................................................................................................1B-38
Plenum Valve Replacem ent..................................................................................................................................1B-39
Control Assem bly R e p la ce m e n t.........................................................................................................................1B-39
Temperature Door Cable A djustm e n t................................................................................................................ 1B-40
Blower Switch R e p lace m e n t............................................................................................................................... 1B-40
Vacuum Tank Replacem ent..................................................................................................................................1B-40
Vacuum Lines-Engine C o m p a rtm e n t................................................................................................................ 1B-40
Vacuum Harness-Dash.......................................................................................................................................... 1B-40
Refrigerant-12 Hose R o u tin g ............................................................................................................................... 1B-40
Blower Motor Resistor R e p la ce m e n t................................................................................................................ 1B-42
Blower Motor Relay Replacem ent.......................................................................................................................1B-45
Fuse R e p la ce m e n t.................................................................................................................................................1B-45
Rear Interior Roof Mounted System-Suburban................................................................................................. 1B-45
Rear Duct R eplacem ent........................................................................................................................................ 1B-45
Blower Motor Resistor R e p la ce m e n t................................................................................................................ 1B-45
Blower Motor Assem bly R eplacem ent.............................................................................................................. 1B-45
Expansion Valve R e p la ce m e n t........................................................................................................................... 1B-46
Evaporator Core R e p la c e m e n t........................................................................................................................... 1B-48
Blower Motor Switch Replacement.....................................................................................................................1B-49
Fuse R e p la ce m e n t.................................................................................................................................................1B-49
CCOT A/C System-G S e rie s ..................................................................................................................................1B-49
Condenser R e p lace m e n t......................................................................................................................................1B-49
Accum ulator Replacement....................................................................................................................................1B-49
Heater Core R e p la ce m e n t....................................................................................................................................1B-50
O rifice (Expansion Tube) R e p lace m e n t............................................................................................................ 1B-54
Blower Motor Insulation (w/Diesel) R eplacem ent...........................................................................................1B-54
Evaporator Core (w/Diesel) R e p la c e m e n t........................................................................................................1B-55
Evaporator Core R e p la c e m e n t........................................................................................................................... 1B-56
Blower Motor R eplacem ent..................................................................................................................................1B-57
Control Assembly R e p la ce m e n t.........................................................................................................................1B-58
Temperature Door Cable A djustm e n t................................................................................................................ 1B-58
Blower Switch R e p lace m e n t............................................................................................................................... 1B-58
Resistor R e p la c e m e n t.......................................................................................................................................... 1B-58
Blower Motor Relay Replacem ent.......................................................................................................................1B-59
A/C Ductwork Replacem ent................................................................................................................................. 1B-59
Defroster Duct R eplacem ent............................................................................................................................... 1B-59
Temperature Door Cable R e p la ce m e n t............................................................................................................1B-59
Vacuum Tank Replacem ent................................................................................................................................. 1B-60
Vacuum Line Engine C o m p a rtm e n t.................................................................................................................. 1B-60
Refrigerant-12 Hose R o u tin g ............................................................................................................................... 1B-60
Rear Interior Roof Mounted Systems-G S eries................................................................................................. 1B-62
CCOT A/C System-P S e r ie s ................................................................................................................................. 1B-64
CONTENTS (CONTINUED)