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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 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 1991 Volkswagen Jetta automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1991 Volkswagen Jetta
- 1991 Volkswagen Jetta 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:A
- 1991 Volkswagen Jetta 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:A
- 1991 Volkswagen Jetta 1.6 L4 DIESEL, CC:1588, CID:97, Fuel Injection, Aspiration:97, Engine VIN:, Desg:G
- 1991 Volkswagen Jetta 1.6 L4 DIESEL, CC:1588, CID:97, Fuel Injection, Aspiration:97, Engine VIN:, Desg:H
- 1991 Volkswagen Jetta GL 1.6 L4 DIESEL, CC:1588, CID:97, Fuel Injection, Aspiration:97, Engine VIN:, Desg:G
- 1991 Volkswagen Jetta GL 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:A
- 1991 Volkswagen Jetta GL 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:A
- 1991 Volkswagen Jetta GL 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:K
- 1991 Volkswagen Jetta GL 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:K
- 1991 Volkswagen Jetta GLI 16-VALVE 2.0 L4 GAS, CC:1984, Fuel Injection, Engine VIN:, Desg:E
- 1991 Volkswagen Jetta GLI 16-VALVE 2.0 L4 GAS, CC:1984, Fuel Injection, Engine VIN:, Desg:J
- 1991 Volkswagen Jetta Carat 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:A
- 1991 Volkswagen Jetta Carat 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:B
- 1991 Volkswagen Jetta Carat 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:K
- 1991 Volkswagen Jetta GL 1.6 L4 DIESEL, CC:1588, CID:97, Fuel Injection, Aspiration:97, Engine VIN:, Desg:H
- 1991 Volkswagen Jetta GL 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:B
- 1991 Volkswagen Jetta GL 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:B
- 1991 Volkswagen Jetta GTX 16-V 2.0 L4 GAS, CC:1984, Fuel Injection, Engine VIN:, Desg:J
A/C & HEATER SERVICE PROCEDURES FOR 1991 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 1991 Volkswagen Jetta cars and light trucks from 1990+
Volkswagen -> Component Replacement & Adjustment -> ADJUSTMENTS -> A/C SWITCH, ADJUST -> Blower Motor Activated Switch -> Cabriolet -> MICROSWITCH, ADJUST -> Temperature Lever Activated Switch -> TEMPERATURE SWITCH, ADJUST -> VACUUM DISTRIBUTOR, ADJUST
Vehicle: 1991 Volkswagen Jetta 1.8 L4 GAS
A/C SWITCH, ADJUST
Blower Motor Activated Switch
- Remove heater controls assembly.
- Connect ohmmeter to switch.
- Loosen adjusting screw on top rear of switch.
- Turn switch until switch is off in first detent, turns on past first detent but before second detent, and remains on in detents two through five.
- Tighten adjusting screw and reinstall assembly.
Temperature Lever Activated Switch
- Remove heater controls assembly.
- Connect ohmmeter to switch.
- Move temperature lever to detent.
- Loosen adjusting screw...
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 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 1991 Volkswagen Jetta cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Volkswagen Jetta 1.8 L4 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 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 1991 Volkswagen Jetta cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Volkswagen Jetta GL 1.8 L4 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 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 1991 Volkswagen Jetta cars and light trucks from 1990+
Air Bag System Precautions -> Volkswagen -> Arming
Vehicle: 1991 Volkswagen Jetta 1.6 L4 DIESEL
- Connect battery ground cable. Ensure no one is vehicle when connecting the battery cable.
- From a safe location at side of or below air bag modules, turn ignition On and inspect air bag warning lamp ope...
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 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 1991 Volkswagen Jetta cars and light trucks from 1990+
Computer Relearn Procedures -> Volkswagen
Vehicle: 1991 Volkswagen Jetta GL 1.8 L4 GAS
Whenever the ECM is replaced, the new ECM will need to be "Coded." Use the following procedure to "Code" the ECM.
- Connect VAG 1551/1552, or equivalent scan tool to diagnostic connector.
- Select "Engine Electronics" address word "01", then press "Q" button to confirm input.
- Press "right arrow" button, "Rapid Data Transfer" and "Select function XX" should appear on the display.
- Press "1" button two times, "Log-in Procedure" and "Input Code Number" should appear on the display.
- Press "0, 1, 2, 8 and 3" to input log-in code, then press "Q" button to confirm input.
- "Ra... "
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 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 1991 Volkswagen Jetta cars and light trucks from 1990+
Computer Relearn Procedures -> Volkswagen
Vehicle: 1991 Volkswagen Jetta Carat 1.8 L4 GAS
Whenever the ECM is replaced, the new ECM will need to be "Coded." Use the following procedure to "Code" the ECM.
- Connect VAG 1551/1552, or equivalent scan tool to diagnostic connector.
- Select "Engine Electronics" address word "01", then press "Q" button to confirm input.
- Press "right arrow" button, "Rapid Data Transfer" and "Select function XX" should appear on the display.
- Press "1" button two times, "Log-in Procedure" and "Input Code Number" should appear on the display.
- Press "0, 1, 2, 8 and 3" to input log-in code, then press "Q" button to confirm input.
- "Ra... "
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Jetta A/C & HEATER SERVICE PROCEDURES
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