2004 Volkswagen Jetta A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Volkswagen Jetta car and truck repair procedures including Volkswagen engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2004 Volkswagen Jetta automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2004 Volkswagen Jetta

  • 2004 Volkswagen Jetta GLS 1.8 L4 GAS, CC:1781, Fuel Injection
  • 2004 Volkswagen Jetta GLS 2.0 L4 GAS, CC:1984, Fuel Injection
  • 2004 Volkswagen Jetta TDI 1.9 L4 DIESEL, CC:1896, CID:116, Fuel Injection, Aspiration:116
  • 2004 Volkswagen Jetta TDI 1.9 L4 DIESEL, CC:1896, CID:116, Fuel Injection, Aspiration:116
  • 2004 Volkswagen Jetta 1.8 L4 GAS, CC:1781, Fuel Injection
  • 2004 Volkswagen Jetta 2.8 V6 GAS, CC:2792, Fuel Injection
  • 2004 Volkswagen Jetta 2.0 L4 GAS, CC:1984, Fuel Injection
  • 2004 Volkswagen Jetta 2.0 L4 GAS, CC:1984, Fuel Injection

A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Jetta AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2004 Volkswagen Jetta cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 2003-04 -> Precautions -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Refrigerant Oil -> Safety
Vehicle: 2004 Volkswagen Jetta 2.0 L4 GAS

Battery Ground Cable

Prior to service disconnect battery ground cable and isolate as required.

Product Compatibility

Refrigerant Oil

Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data," for specifications.

Engine Coolant

Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.

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A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Jetta AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2004 Volkswagen Jetta cars and light trucks from 1990+

Volkswagen -> Electric Cooling Fans -> Description -> 1.8L Engine -> 1.9L & 2.0L Engines -> 2.8L Engine -> Eurovan -> Golf, GTI & Jetta -> New Beetle -> Passat
Vehicle: 2004 Volkswagen Jetta 2.8 V6 GAS

Eurovan

The electric cooling fans use a radiator mounted thermo switch and a second thermo switch mounted in the coolant manifold to control fan motor operation. The fans operate at low speed when engine coolant temperature is 183-192°F and at high speed when coolant temperature is 194-203°F. The A/C system will also switch on various fan speeds dependent on coolant temperature and refrigerant pressure.

Golf, GTI & Jetta

1.8L Engine

These models may be equipped with two cooling fans. Models with standard equipment packages have just one large fan. Those w...

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A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Jetta AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2004 Volkswagen Jetta cars and light trucks from 1990+

Volkswagen -> Vacuum & Wiring Diagrams
Vehicle: 2004 Volkswagen Jetta 1.8 L4 GAS

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A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Jetta AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2004 Volkswagen Jetta cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2004 Volkswagen Jetta 2.8 V6 GAS

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CLICK HERE TO GET FULL ACCESS TO 2004 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Jetta AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2004 Volkswagen Jetta cars and light trucks from 1990+

Volkswagen -> Component Replacement & Adjustment -> Evaporator Core, Replace -> Eurovan -> Front -> Golf, GTI & Jetta -> New Beetle -> Passat -> Rear
Vehicle: 2004 Volkswagen Jetta 1.8 L4 GAS

Golf, GTI & Jetta

  • Recover refrigerant as outlined under .
  • Remove instrument panel as outlined under "Instrument Panel, Replace."
  • Drain coolant into a suitable container.
  • Loosen instrument panel crossmember.
  • Disconnect evaporator lines, then the heater core hoses.
  • Remove heater and cooling unit.
  • Separate heater case, then remove evaporator, Fig. .
  • Reverse procedure to install, noting the following:
    • Do not use old O-rings. Always install new ones.
    • Ensure all wiring and electrical connectors are properly rout...

CLICK HERE TO GET FULL ACCESS TO 2004 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2004 Volkswagen Jetta AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2004 Volkswagen Jetta cars and light trucks from 1990+

A/C Data -> Imported Passenger Cars, Light Trucks & Vans -> Volkswagen -> 1992-2002 -> 2003-04
Vehicle: 2004 Volkswagen Jetta TDI 1.9 L4 DIESEL

1992-2002

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