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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Volkswagen Passat 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 Passat automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1991 Volkswagen Passat
- 1991 Volkswagen Passat 2.0 L4 GAS, CC:1984, Fuel Injection, Engine VIN:, Desg:B
- 1991 Volkswagen Passat 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:E
- 1991 Volkswagen Passat GL 2.0 L4 GAS, CC:1984, Fuel Injection, Engine VIN:, Desg:B
- 1991 Volkswagen Passat GL 2.0 L4 GAS, CC:1984, Fuel Injection, Engine VIN:, Desg:C
- 1991 Volkswagen Passat Syncro 1.8 L4 GAS, CC:1780, Fuel Injection, Engine VIN:, Desg:E
A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat 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 Passat 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 Passat Syncro 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...
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat 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 Passat cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1991-92 -> Oil Charge -> 1992 240SX -> 1992 Q45 -> 1992 Sonata -> 3000GT -> 323 -> 911 -> 928 -> 929 -> Accord -> Acura -> Amigo, Pickup & Rodeo -> B2200 & B2600i -> Civic -> Corrado & Passat -> Daihatsu -> Delco 4 Cylinder Radial Compressor -> Diamante -> Eclipse -> ES 300 -> Except 1992 240SX -> Except 1992 Q45 -> Except 1992 Sonata -> Except ES 300 -> Except SVX -> Except York Compressors -> Expo -> Galant -> Golf, GTI & Jetta -> Honda -> Hyundai -> Impulse & Stylus -> Infiniti -> Isuzu -> Jaguar -> Lexus -> Mazda -> Mercedes Benz -> Miata -> Mirage -> Mitsubishi -> Montero -> MPV -> MX-6 & 626 -> Navajo -> Nissan -> Peugeot -> Pickup -> Porsche -> Precis -> Prelude -> RX-7 -> Saab -> Sanden Compressor -> Seiko-Seiki Compressor -> Sterling -> Subaru -> Suzuki -> SVX -> Toyota -> Trooper -> Vanagon -> Volkswagen -> Volvo -> York Compressors
Vehicle: 1991 Volkswagen Passat 1.8 L4 GAS
Acura
When replacing compressor, drain 1 ounce of oil from replacement compressor prior to installation. When replacing other components, add oil as follows:
| Condenser: |
| Integra 1/3 ounce |
| Legend 1/2 ounce |
| Vigor 2/3 ounce |
| Evaporator: |
| Integra-1 ounce |
| Legend 1/2 ounces |
| Vigor 1/2 ounce |
| Lines 1/3 ounce |
| Receiver/Drier 1/3 ounce |
Daihatsu
When overhauling or replacing compressor, drain oil from old compressor and measure amount of oil recovered, add same amount measured plus an additional .7 ounce to compressor. When re...
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat 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 Passat cars and light trucks from 1990+
Volkswagen -> Component Replacement & Adjustment -> CONTROL ASSEMBLY, REPLACE -> CABRIOLET -> CORRADO & PASSAT -> GOLF, GTI & JETTA -> Less A/C
Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS
CABRIOLET
- Disconnect battery ground cable and remove radio, if equipped.
- Remove control knobs from control assembly.
- Using a suitable tool, pry control assembly cover and pull toward right side of instrument panel.
- Remove instrument panel insert and control retaining screws.
- Disconnect control cables, electrical connector and vacuum hoses from control assembly as equipped. Mark installation position of cables and hoses to aid installation.
- Remove control assembly together with capillary tube.
- Reverse procedure to install....
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat 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 Passat cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1991-92 -> Precautions -> Cleanliness -> General Service -> Safety
Vehicle: 1991 Volkswagen Passat 2.0 L4 GAS
Safety
The Freon refrigerant used in car air conditioners is also known as R-12. It is colorless and odorless both as a gas and a liquid. Since it boils (vaporizes) at -21.7°F, it will usually be in a vapor state when being handled in a repair shop. But if a portion of the liquid coolant should come in contact with the hands or face, note that its temperature momentarily will be at least 22° below zero.
Protective goggles should be worn when opening any refrigerant lines. If liquid coolant does touch the eyes, bathe the eyes quickly in cold water. Then apply a bland ...
CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat 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 Passat cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Volkswagen Passat 2.0 L4 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat 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 Passat cars and light trucks from 1990+
Air Bag System Precautions -> Volkswagen -> Disarming
Vehicle: 1991 Volkswagen Passat 1.8 L4 GAS
Do not use computer memory saver tool on air bag equipped models. Using the tool will keep the air bag system charged and may cause accidental activation of the air bag unit. Prior to disconnecting the battery ground cable, obtain the radio security code. After service has been completed and the battery ground cable has been reconnected, use security code to acti...
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