V 20 P/U 4WD L6-292 4.8L (1988): Heating and Air Conditioning
Also for this vehicle: V 20 P/U 4WD V6-262 4.3L (1987), V 20 P/U 4WD V8-350 5.7L (1987), V 20 P/U 4WD V8-379 6.2L DSL (1988), V 20 P/U 4WD V8-454 7.4L (1987).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
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Accumulator HVAC › Component Information › Technical Service Bulletins24 pages
- Customer Interest: › 903181D › Aug › 90 › A/C - Insufficient Performance23456
All Technical Service Bulletins:6 pages
- 04-06-04-054B › Nov › 10 › Engine Controls - Aftermarket Accessory Usage2
- 913846E › Aug › 91 › ECM/PCM - Damaged and/or Misdiagnosed
- 90568 › Sep › 89 › ECM - Packard 32 Way Connector Identification
- 882518A › Jun › 88 › ECM - Intermittent Connection
- 8842 › Sep › 87 › Engine Controls - ECM May Contain Wrong PROM
- All Other Service Bulletins for Accumulator HVAC: › 93297A › Oct › 92 › Customer Interest for Accumulator HVAC: › 903181D › Aug › 90 › A/C - Insufficient Performance23456
- All Other Service Bulletins for Engine Control Module: › 903181D › Aug › 90 › A/C - Insufficient Performance23456
Blower Motor › Component Information8 pages
- Blower Motor Resistor › Component Information › Locations › With Air Conditioning2
- Blower Motor Switch › Component Information › Service and Repair
Compressor HVAC77 pages
- Compressor Clutch Diode HVAC › Component Information › Technical Service Bulletins › Isolation Diodes - Replacement Information2
- Compressor Fitting HVAC › Component Information › Service and Repair23
- Condenser HVAC › Component Information › Service and Repair2
- Control Assembly, HVAC › Component Information › Service and Repair
- Evaporator Core › Component Information › Service and Repair2
- Expansion Block/Orifice Tube › Component Information › Locations23
- Expansion Valve › Component Information › Service and Repair
Heater Control Valve › Component Information › Technical Service Bulletins12 pages
Heater Core › Component Information8 pages
- High Pressure Safety Valve HVAC › Component Information › Service and Repair › With A-6 Compressor2345678910
- Hose/Line HVAC › Component Information › Locations23
Refrigerant › Component Information › Technical Service Bulletins36 pages
- A/C - Retrofitting R-12 Vehicles to R-134A2
Technical Service Bulletins for Refrigerant:34 pages
- 431207E › Jan › 97 › A/C - Retrofitting R-12 to R-134a234567891011121314151617181920212223
- 631209 › May › 96 › A/C - R12 or R134a Service Recommendations2
- 531205 › May › 95 › Contaminated R12 Refrigerant - Testing & Handling23
- 431223 › Sep › 94 › A/C Refrigerant - Contamination2
- 331226 › Jan › 94 › A/C - Retrofitting R-12 Vehicles to R-134A2
- 922501A › Aug › 92 › A/C - Use of Alternate Refrigerants In CFC 12
- 88T65 › Dec › 87 › A/C - Use of R-22 Refrigerant Not Recommended
- Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Service and Repair › High-Side Pressure & High-Side Low Pressure Cutoff Switches234
- Service Port HVAC › Component Information › Technical Service Bulletins › A/C - Refrigerant Loss Prevention
- Vacuum Reservoir HVAC › Component Information › Service and Repair