GMC Chevrolet Camaro 1998 Service Manual page 112

1-2 Table of Contents
HVAC
Compressor Hose Assembly Vacuum Hose Harness Replacement
Replacement (3.8L) .................................. 1-77 (Jumper Harness) ................................... 1-113
Compressor Hose Assembly Vacuum Hose Harness Replacement
Replacement (5.7L) ................................. 1-79
Evaporator Tube Replacement ..................... 1-81
(Main Harness) ....................................... 1-114
Description and Operation .......................... 1-115
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Service Ports Replacement .......................... 1-82 A/C System Description ............................. 1-115
Expansion (Orifice) Tube Replacement ......... 1-83 Air Distribution System Description ............. 1-116
Compressor Relay Replacement .................. 1-83 Refrigeration System Description ................ 1-117
A/C Refrigerant Pressure Sensor Refrigerant R-134a ..................................... 1-118
Replacement ............................................ 1-84
Handling Refrigerant R-134a ...................... 1-118
Condenser Replacement .............................. 1-85
Handling Compressor Oil ........................... 1-118
Accumulator Replacement ............................ 1-90 Handling of Refrigerant
Blower Motor Relay Replacement ................ 1-91
Lines and Fittings ................................... 1-119
Blower Motor Resistor Replacement ............. 1-92
Handling A/C Compressor .......................... 1-119
Blower Motor and Fan Replacement ............ 1-92
Evaporator Core Replacement ..................... 1-93
Heater Core Replacement ............................ 1-96
Heater Pipes Replacement (3.8L) ................ 1-97
Heater Pipes Replacement (5. 7L) ................ 1-99
Control Assembly Replacement .................. 1-101
Temperature Control Cable Replacement ..... 1-103
Temperature Control Cable Adjustment ...... 1-104
Air Inlet Actuator Replacement ................... 1-106
Vent Actuator Replacement ........................ 1-106
Defroster Actuator Replacement ................. 1-107
Heater/Bi-Level Actuator Replacement ........ 1-108
IP Air Outlet Ducts Replacement ................ 1-108
Air Distributor Duct Replacement ................ 1-109
Air Outlet Replacement - Right Defogger ...... 1-11 O
Air Outlet Replacement - Floor ................... 1-110
Air Outlet Replacement - Side Window ...... 1-111
Maintaining Chen:iical Stability .................... 1-119
Expansion (Orifice) Tube Description .......... 1-120
Evaporator Description .............................. ; 1-120
Condenser Description ............................... 1-120
Accumulator Description ............................. 1-120
Heater Core Description ............................. 1-121
Compressor Description ............................. 1-122
High Pressure Relief Valve Description ...... 1-123
Control Assembly Description ..................... 1-123
Blower Motor Description ........................... 1-125
Refrigerant Oil Distribution ......................... 1-125
Vacuum Hose Harness Description ............ 1-126
Relays and Sensors Description ................. 1-127
A/C Refrigerant Pressure Sensor
Description ............................................. 1-127
0-Ring/Flat Washer Description .................. 1-127
HVAC Blower Controls
Circuit Description .; ................................. 1-127
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Vacuum Tank Replacement ....................... 1-112
Special Tools and Equipment ..................... 1-128