Chevy Truck C 3500 Truck 2WD V8-454 7.4L (1990)
Relays and Modules
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Powertrain Management
Transmission and Drivetrain
Brakes and Traction Control
Starting and Charging
Power and Ground Distribution
Steering and Suspension
Heating and Air Conditioning
Air Conditioning Switch
Air Door, HVAC
Blower Motor
Blower Motor Relay
Blower Motor Resistor
Compressor HVAC
Compressor Clutch Diode HVAC
Compressor Clutch Relay
Condenser HVAC
Control Assembly, HVAC
Evaporator Core
Evaporator Drain Tube
Expansion Block/Orifice Tube
Heater Core
Heater Core Case
High Pressure Safety Valve HVAC
Hose/Line HVAC
Refrigerant
Component Information
Technical Service Bulletins
A/C - Retrofitting R-12 Vehicles to R-134A
Page 7478
Technical Service Bulletins for Refrigerant:
Page 7531
Page 7532
Page 7533
Page 7534
Page 7535
Page 7536
Page 7537
Page 7538
Page 7539
Page 7540
Page 7541
Page 7542
Page 7543
Page 7544
Page 7545
Page 7546
Page 7547
Page 7548
Page 7549
Page 7550
Page 7551
Page 7552
Page 7553
Page 7554
Page 7555
Page 7556
Page 7557
Page 7558
Refrigerant Oil
Refrigerant Pressure Sensor / Switch, HVAC
Relays and Modules - HVAC
Sensors and Switches - HVAC
Service Port HVAC
Restraint Systems
Accessories and Optional Equipment
Body and Frame
Cruise Control
Instrument Panel, Gauges and Warning Indicators
Lighting and Horns
Windows and Glass
Wiper and Washer Systems