K 2500 Truck 4WD V6-262 4.3L (1991): Heating and Air Conditioning
Also for this vehicle: K 2500 Truck 4WD L6-292 4.8L (1985), K 2500 Truck 4WD V6-262 4.3L VIN Z TBI (1995), K 2500 Truck 4WD V8-305 5.0L (1985), K 2500 Truck 4WD V8-305 5.0L VIN M SFI (1998), K 2500 Truck 4WD V8-350 5.7L (1991), K 2500 Truck 4WD V8-350 5.7L VIN K TBI (1995), K 2500 Truck 4WD V8-350 5.7L VIN M 4-bbl (1985), K 2500 Truck 4WD V8-379 6.2L DSL (1988), K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989), K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1985), K 2500 Truck 4WD V8-393 6.5L DSL (1994), K 2500 Truck 4WD V8-393 6.5L DSL Turbo (1992), K 2500 Truck 4WD V8-393 6.5L DSL Turbo VIN S (1996), K 2500 Truck 4WD V8-393 6.5L DSL VIN P (1995), K 2500 Truck 4WD V8-454 7.4L (1990), K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997), K 2500 Truck 4WD V8-5.3L VIN T (1999), K 2500 Truck 4WD V8-5.7L VIN R (1996), K 2500 Truck 4WD V8-6.0L VIN U (1999), K 2500 Truck 4WD V8-6.5L DSL Turbo VIN F (1994), K 2500 Truck 4WD V8-6.5L DSL Turbo VIN S (1998), K 2500 Truck 4WD V8-8.1L VIN G (2001).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
- Air Conditioning Switch › Component Information › Locations › A/C Compressor Switch2
Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information22 pages
Technical Service Bulletins6 pages
- Customer Interest: › 911A173 › Jan › 91 › A/C Control Head - Locks Up/Clicking Noise
- All Technical Service Bulletins: › 911A173 › Jan › 91 › A/C Control Head - Locks Up/Clicking Noise
All Other Service Bulletins for Air Door Actuator / Motor:4 pages
All Other Service Bulletins for Air Door Actuator / Motor:0 pages
- 926E12A › Apr › 92 › Engine Controls - Service Engine Soon Light, DTC 22-TPS
- 916E14 › Aug › 91 › Campaign - TPS Inspection/Replacement
- Locations › Mode Door Motor23456789
- Testing and Inspection › Air Inlet Valve Motor Does Not Operate23
- Service and Repair › Temperature Mode Door Motor234
Air Duct › Component Information › Technical Service Bulletins16 pages
- Customer Interest: › 91644 › Dec › 90 › Intake Air Duct - Reduced Engine Performance23
- All Technical Service Bulletins: › 91644 › Dec › 90 › Intake Air Duct - Reduced Engine Performance23
All Other Service Bulletins for Air Duct:0 pages
- 07-06-01-016B › Jul › 09 › Engine - Noise/Damage Oil Filter Application Importance
- 376105A › Oct › 95 › Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
- 476118 › Jun › 94 › Oil Filters - Enhanced Anti-Drainback Valves
Ambient Temperature Sensor / Switch HVAC › Component Information › Technical Service Bulletins2 pages
Blower Motor › Component Information11 pages
- Blower Motor Relay › Component Information › Locations › Blower Motor Relay23456
- Blower Motor Resistor › Component Information › Locations
- Blower Motor Switch › Component Information › Locations › Auxiliary Heater Blower Switch2
Compressor HVAC79 pages
- Compressor Clutch Diode HVAC › Component Information › Locations
- Compressor Clutch Relay › Component Information › Locations2
- Condenser HVAC › Component Information › Service and Repair2
Control Assembly, HVAC › Component Information38 pages
Technical Service Bulletins22 pages
Customer Interest:7 pages
- 461202 › May › 94 › A/C Control Head - Flashes, Operates Erratically
- 461101 › May › 94 › Manual Temp Control Lever - Slips From Hot To Cold2
- 93-1B-129 › Jan › 93 › A/C - Low Charge Warning Indicator Flashes
- 931B24 › Nov › 92 › HVAC Control Head - Inoperative, No Display
- 911A168 › Dec › 91 › Heater Control - Lever Slides Towards Hot Side
- 911A173 › Jan › 91 › A/C Control Head - Locks Up/Clicking Noise
All Technical Service Bulletins:8 pages
- 461202 › May › 94 › A/C Control Head - Flashes, Operates Erratically
- 461101 › May › 94 › Manual Temp Control Lever - Slips From Hot To Cold2
- 93-1B-129 › Jan › 93 › A/C - Low Charge Warning Indicator Flashes
- 931B24 › Nov › 92 › HVAC Control Head - Inoperative, No Display
- 911A168 › Dec › 91 › Heater Control - Lever Slides Towards Hot Side
- 911B73 › Mar › 91 › A/C Control Head - Lock Up Information
- 911A173 › Jan › 91 › A/C Control Head - Locks Up/Clicking Noise
All Other Service Bulletins for Control Assembly:7 pages
All Other Service Bulletins for Control Assembly:0 pages
- 563301A › Dec › 95 › Front Axle Drive Shaft Seal - Wears Out Early
- 564302 › Oct › 95 › Front Differential Output Shaft Seals - Replacement
- 564301 › Mar › 95 › Front Wheel Driveshaft Boot - Damage Prevention
- Locations › A/C Controller23
- Testing and Inspection › Symptom Related Diagnostic Procedures2345678910111213
- Control Module HVAC › Component Information › Locations
- Evaporator Core › Component Information › Technical Service Bulletins › A/C - Insufficient Cooling Diagnosis Table Updated2
- Evaporator Drain Tube › Component Information › Technical Service Bulletins › Interior - Water Leaks From A/C Evaporator Drain2
- Expansion Block/Orifice Tube › Component Information › Technical Service Bulletins › A/C - Insufficient Cooling Diagnosis Table Updated2
Heater Core › Component Information7 pages
Heater Core Case › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 911A103 › Jun › 91 › A/C System - Heater Case Hot Spot
- All Technical Service Bulletins: › 911A103 › Jun › 91 › A/C System - Heater Case Hot Spot
All Other Service Bulletins for Heater Core Case:4 pages
All Other Service Bulletins for Heater Core Case:0 pages
- 927B149A › Aug › 93 › M/T - Neutral Gear Rattle, Replace Prom, Clutch & Pilot
- 917C96 › May › 91 › Clutch - Shudder On Launch
- Heater Hose › Component Information › Technical Service Bulletins › Cooling - New Style Hose Clamp
- High Pressure Safety Valve HVAC › Component Information › Service and Repair › With A-6 Compressor2345678
Hose/Line HVAC › Component Information › Technical Service Bulletins6 pages
- Customer Interest: › 911B188 › Jun › 92 › A/C Compressor - Moan/Vibration/Noise2
- All Technical Service Bulletins: › 911B188 › Jun › 92 › A/C Compressor - Moan/Vibration/Noise2
- All Other Service Bulletins for Hose/Line HVAC: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle2
- All Other Service Bulletins for Hose/Line HVAC: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle
Refrigerant › Component Information › Technical Service Bulletins34 pages
- A/C - Use of Alternate Refrigerants in CFC 12 Units
Technical Service Bulletins for Refrigerant:33 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
- 931B8 › Sep › 92 › A/C - Use of Alternate Refrigerants in CFC 12 Units
- Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information › Technical Service Bulletins4 pages
Sensors and Switches - HVAC10 pages
- Air Conditioning Switch › Component Information › Locations › A/C Compressor Switch2
Ambient Temperature Sensor / Switch HVAC › Component Information › Technical Service Bulletins2 pages
- Blower Motor Switch › Component Information › Locations › Auxiliary Heater Blower Switch2
Refrigerant Pressure Sensor / Switch, HVAC › Low Pressure Sensor / Switch, HVAC › Component Information › Technical Service Bulletins4 pages
- Service Port HVAC › Component Information › Technical Service Bulletins › A/C - Refrigerant Loss Prevention