Frontier 2WD L4-2.5L (QR25DE) (2005): Heating and Air Conditioning

Also for this vehicle: Frontier 2WD L4-2.4L (KA24DE) (1998), Frontier 2WD V6-3.3L (VG33E) (2003), Frontier 2WD V6-3.3L SC (VG33ER) (2004), Frontier 2WD V6-4.0L (VQ40DE) (2009), Frontier 4WD V6-3.3L (VG33E) (2003), Frontier 4WD V6-3.3L SC (VG33ER) (2004), Frontier 4WD V6-4.0L (VQ40) (2005), Frontier 4WD V6-4.0L (VQ40DE) (2006), Frontier SC Crew Cab 2WD V6-3.3L SC (VG33ER) (2002), Frontier SC Crew Cab 4WD V6-3.3L SC (VG33ER) (2001), Frontier SC King Cab 2WD V6-3.3L SC (VG33ER) (2002), Frontier SC King Cab 4WD V6-3.3L SC (VG33ER) (2001), Frontier SE Crew Cab 2WD V6-3.3L (VG33E) (2002), Frontier SE Crew Cab 4WD V6-3.3L (VG33E) (2000), Frontier SE King Cab 2WD V6-3.3L (VG33E) (2002), Frontier SE King Cab 4WD L4-2.4L (KA24DE) (1998), Frontier SE King Cab 4WD V6-3.3L (VG33E) (1999), Frontier XE 4WD L4-2.4L (KA24DE) (1998), Frontier XE Crew Cab 2WD V6-3.3L (VG33E) (2000), Frontier XE King Cab 2WD L4-2.4L (KA24DE) (2000), Frontier XE King Cab 2WD V6-3.3L (VG33E) (2001), Frontier XE King Cab 4WD L4-2.4L (KA24DE) (1998), Frontier XE King Cab 4WD V6-3.3L (VG33E) (2002).

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.

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 Information8 pages
- Air Duct › Component Information › Service and Repair2 3
- Air Register › Component Information › Description and Operation
- Blower Motor › Component Information › Technical Service Bulletins10 pages
  - All Technical Service Bulletins for Blower Motor: › 10-055 › Apr › 10 › A/C - Blower Motor Is Inoperative2 3 4 5
  - Customer Interest for Blower Motor: › 10-055 › Apr › 10 › A/C - Blower Motor Is Inoperative2 3 4 5
- Blower Motor Relay › Component Information › Locations2
- Blower Motor Resistor › Component Information › Description and Operation2 3
- Blower Motor Switch › Component Information › Testing and Inspection
- Cabin Air Filter › Component Information › Service and Repair2
- Compressor HVAC11 pages
  - Compressor Clutch › Component Information › Technical Service Bulletins › A/C - Compressor Clutch Replacement Information
  - Compressor Pulley › Component Information › Technical Service Bulletins10 pages
    All Technical Service Bulletins: › 09-007 › Jan › 09 › Engine - Noise From The Drive Belt2 3 4
    Customer Interest: › 09-007 › Jan › 09 › Engine - Noise From The Drive Belt2 3 4
    All Other Service Bulletins for Compressor Pulley: › 09-028A › Nov › 10 › A/C - Low Airflow From Front Air Vents2
    All Other Service Bulletins for Compressor Pulley: › 09-028A › Nov › 10 › A/C - Low Airflow From Front Air Vents
- Condenser HVAC › Component Information › Service and Repair
- Control Assembly, HVAC › Component Information6 pages
  - Locations
  - Description and Operation › Air Conditioner Control2 3 4 5
- Control Module HVAC › Component Information › Description and Operation
- Coupler HVAC › A/C Coupler O-ring › Component Information › Technical Service Bulletins2 pages
  - All Technical Service Bulletins for A/C Coupler O-ring: › 09-099 › Sep › 09 › A/C - Refrigerant Leaks From Connections
  - Customer Interest for A/C Coupler O-ring: › 09-099 › Sep › 09 › A/C - Refrigerant Leaks From Connections
- Evaporator Core › Component Information › Service and Repair2
- Evaporator Temperature Sensor / Switch › Component Information › Technical Service Bulletins4 pages
  - All Technical Service Bulletins for Evaporator Temperature Sensor / Switch: › 09-028A › Nov › 10 › A/C - Low Airflow From Front Air Vents2
  - Customer Interest for Evaporator Temperature Sensor / Switch: › 09-028A › Nov › 10 › A/C - Low Airflow From Front Air Vents2
- Expansion Valve › Component Information › Technical Service Bulletins › A/C - TXV (Thermal Expansion Valve) Replacement
- Heater Core › Component Information › Service and Repair
- Hose/Line HVAC › Component Information6 pages
  - Locations2
  - Service and Repair › High-Pressure Flexible A/C Hose2 3 4
- Housing Assembly HVAC › Component Information › Technical Service Bulletins10 pages
  - All Technical Service Bulletins for Housing Assembly HVAC: › 10-055 › Apr › 10 › A/C - Blower Motor Is Inoperative2 3 4 5
  - Customer Interest for Housing Assembly HVAC: › 10-055 › Apr › 10 › A/C - Blower Motor Is Inoperative2 3 4 5
- Refrigerant › Component Information5 pages
  - Specifications › Capacity Specifications2
  - Service and Repair › Contaminated Refrigerant2 3
- Refrigerant Oil › Component Information › Specifications › Capacity Specifications2
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information27 pages
  - Locations › Component Locations2 3 4 5
  - Diagrams › Diagnostic Aids2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
- Relays and Modules - HVAC3 pages
  - Blower Motor Relay › Component Information › Locations2
  - Control Module HVAC › Component Information › Description and Operation
- Sensors and Switches - HVAC32 pages
  - Blower Motor Switch › Component Information › Testing and Inspection
  - Evaporator Temperature Sensor / Switch › Component Information › Technical Service Bulletins4 pages
    All Technical Service Bulletins for Evaporator Temperature Sensor / Switch: › 09-028A › Nov › 10 › A/C - Low Airflow From Front Air Vents2
    Customer Interest for Evaporator Temperature Sensor / Switch: › 09-028A › Nov › 10 › A/C - Low Airflow From Front Air Vents2
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information27 pages
    Locations › Component Locations2 3 4 5
    Diagrams › Diagnostic Aids2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
- Service Port HVAC › Component Information › Locations2
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