C 2500 Suburban 2WD V8-350 5.7L (1994): Heating and Air Conditioning

Also for this vehicle: C 2500 Suburban 2WD V8-350 5.7L VIN K TBI (1995), C 2500 Suburban 2WD V8-454 7.4L (1994), C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998), C 2500 Suburban 2WD V8-5.7L VIN R (1996), C 2500 Suburban 2WD V8-6.5L DSL Turbo VIN F (1995).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information22 pages
- Blower Motor › Component Information64 pages
  - Technical Service Bulletins33 pages
    Customer Interest: › 531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    All Technical Service Bulletins: › 531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    All Other Service Bulletins for Blower Motor: › NHTSA93V152000 › Sep › 93 › Recall 93V152000: Brake Pedal Pushrod Retainer Missing
    All Other Service Bulletins for Blower Motor: › NHTSA93V152000 › Sep › 93 › Recall 93V152000: Brake Pedal Pushrod Retainer Missing
  - Locations › With Air Conditioning2 3
  - Diagrams › C210A Heater Control Lamp2 3
  - Description and Operation › With A/C2
  - Testing and Inspection › With Air Conditioning2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
  - Service and Repair › With Air Conditioning2 3 4 5 6
- Blower Motor Relay › Component Information8 pages
  - Locations › High Blower Relay With Rear A/C and/or Heater2 3 4 5 6
  - Diagrams › With Rear A/C and Heater2
- Blower Motor Resistor › Component Information11 pages
- Blower Motor Switch › Component Information › Locations
- Compressor HVAC99 pages
  - Compressor Clutch › Component Information38 pages
    Specifications › With HD6/HR6-HE Compressor2 3 4
    Service and Repair › With HR100/HR110-MD Compressor2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…34
  - Compressor Clutch Bearing › Component Information › Service and Repair › With HR100/HR110-MD Compressor2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
  - Compressor Clutch Coil › Component Information › Service and Repair › With HR100/HR110-MD Compressor2 3 4 5 6 7 8 9 10 11 12
  - Compressor Clutch Hub › Component Information16 pages
    Specifications › With HD6/HR6-HE Compressor2 3 4
    Service and Repair › With HR100/HR110-MD Compressor2 3 4 5 6 7 8 9 10 11 12
  - Compressor Shaft Seal › Component Information13 pages
    Technical Service Bulletins › A/C Compressor Seal Washer - Reference Chart2 3
    Service and Repair › With HR100/HR110-MD Compressor2 3 4 5 6 7 8 9 10
- Compressor Clutch Relay › Component Information › Locations2
- Condenser HVAC › Component Information › Service and Repair2
- Control Assembly, HVAC › Component Information21 pages
  - Technical Service Bulletins6 pages
    Customer Interest for Control Assembly:3 pages
    461202 › May › 94 › A/C Control Head - Flashes, Operates Erratically
    461101 › May › 94 › Manual Temp Control Lever - Slips From Hot To Cold2
    All Technical Service Bulletins for Control Assembly:3 pages
    461202 › May › 94 › A/C Control Head - Flashes, Operates Erratically
    461101 › May › 94 › Manual Temp Control Lever - Slips From Hot To Cold2
  - Locations › A/C Controller2 3
  - Diagrams › C23O Heater-A/C Controller to I/P2 3 4 5 6 7
  - Testing and Inspection › With A/C2 3 4 5
- Evaporator Core › Component Information46 pages
  - Technical Service Bulletins42 pages
    Customer Interest:19 pages
    99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
    531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    All Technical Service Bulletins for Evaporator Core:21 pages
    99-01-39-004C › Jun › 09 › A/C - Musty Odors Emitted From (HVAC) System2 3
    531212A › Dec › 96 › A/C - Odor at Start up in Humid Climates2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    661206 › Sep › 96 › A/C - Insufficient Cooling Diagnosis Table Updated2
    All Other Service Bulletins for Evaporator Core: › 661206 › Sep › 96 › A/C - Insufficient Cooling Diagnosis Table Updated2
  - Service and Repair › Front2 3 4
- Expansion Block/Orifice Tube › Component Information6 pages
  - Technical Service Bulletins › A/C - Insufficient Cooling Diagnosis Table Updated2 3 4
  - Locations › Front2
- Expansion Valve › Component Information15 pages
  - Technical Service Bulletins14 pages
    Customer Interest for Expansion Valve: › 561201 › Feb › 95 › A/C Compressor - Loud Knocking Noise2 3 4 5 6 7
    All Technical Service Bulletins for Expansion Valve: › 561201 › Feb › 95 › A/C Compressor - Loud Knocking Noise2 3 4 5 6 7
  - Service and Repair › Note on Expansion Valve
- Heater Core › Component Information13 pages
  - Technical Service Bulletins › Cooling System, A/C - Aluminum Heater Cores/Radiators2 3
  - Service and Repair › With Air Conditioning2 3 4 5 6 7 8 9 10
- Hose/Line HVAC › Component Information › Locations › Front2
- Housing Assembly HVAC › Component Information › Technical Service Bulletins12 pages
  - Customer Interest: › 361103 › Feb › 94 › A/C - Whistle Noise at High Blower Motor Speeds2
  - All Technical Service Bulletins: › 361103 › Feb › 94 › A/C - Whistle Noise at High Blower Motor Speeds2
  - All Other Service Bulletins for Housing Assembly HVAC: › 376105A › Oct › 95 › Engine - Cold Knock, Replace Oil Filter/Bearings/PROM2 3 4 5 6 7 8
  - All Other Service Bulletins for Housing Assembly HVAC: › 376105A › Oct › 95 › Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
- Refrigerant › Component Information83 pages
  - Technical Service Bulletins79 pages
    A/C - Refrigerant Recovery/Recycling/Equipment
    Technical Service Bulletins:39 pages
    08-01-38-001 › Jan › 08 › A/C - Refrigerant Recovery/Recycling/Equipment
    06-01-39-007 › Jul › 06 › A/C - Contaminated R134A Refrigerant2
    99-01-38-006A › May › 00 › A/C - Refrigerant Recovery/Recharge Equipment2
    431207E › Jan › 97 › A/C - Retrofitting R-12 to R-134a2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
    631209 › May › 96 › A/C - R12 or R134a Service Recommendations2
    531205 › May › 95 › Contaminated R12 Refrigerant - Testing & Handling2 3
    431215 › Nov › 94 › A/C - R134a Leak Detection With Tracer Dye2
    431223 › Sep › 94 › A/C Refrigerant - Contamination2
    331226 › Jan › 94 › A/C - Retrofitting R-12 Vehicles to R-134A2
    All Other Service Bulletins for Refrigerant: › 67-71-53B › Nov › 03 › Technical Service Bulletins for Refrigerant:39 pages
    08-01-38-001 › Jan › 08 › A/C - Refrigerant Recovery/Recycling/Equipment
    06-01-39-007 › Jul › 06 › A/C - Contaminated R134A Refrigerant2
    99-01-38-006A › May › 00 › A/C - Refrigerant Recovery/Recharge Equipment2
    431207E › Jan › 97 › A/C - Retrofitting R-12 to R-134a2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
    631209 › May › 96 › A/C - R12 or R134a Service Recommendations2
    531205 › May › 95 › Contaminated R12 Refrigerant - Testing & Handling2 3
    431215 › Nov › 94 › A/C - R134a Leak Detection With Tracer Dye2
    431223 › Sep › 94 › A/C Refrigerant - Contamination2
    331226 › Jan › 94 › A/C - Retrofitting R-12 Vehicles to R-134A2
  - Specifications4 pages
    Component Information › Locations2
    Component Information › Technical Service Bulletins › A/T - Holley Variable Pressure Control Solenoid2
- Refrigerant Filter › Component Information › Technical Service Bulletins14 pages
  - Customer Interest for Refrigerant Filter: › 561201 › Feb › 95 › A/C Compressor - Loud Knocking Noise2 3 4 5 6 7
  - All Technical Service Bulletins for Refrigerant Filter: › 561201 › Feb › 95 › A/C Compressor - Loud Knocking Noise2 3 4 5 6 7
- Refrigerant Oil › Component Information3 pages
  - Technical Service Bulletins › A/C - New PAG Oil
  - Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations › A/C High Pressure Switch2 3
- Relays and Modules - HVAC10 pages
  - Blower Motor Relay › Component Information8 pages
    Locations › High Blower Relay With Rear A/C and/or Heater2 3 4 5 6
    Diagrams › With Rear A/C and Heater2
  - Compressor Clutch Relay › Component Information › Locations2
- Sensors and Switches - HVAC4 pages
  - Blower Motor Switch › Component Information › Locations
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations › A/C High Pressure Switch2 3
- Service Port HVAC › Component Information › Locations
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections