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A/C & HEATER SERVICE PROCEDURES FOR 1991 Audi 100 Quattro 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 Audi 100 Quattro cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1991-92 -> Leak Tests -> Electronic Leak Detectors -> Flame-Type (Halide) Leak Detectors -> Fluid Leak Detectors
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.
Electronic Leak Detectors
There are a number of electronic leak detectors, Fig. available to per...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Audi 100 Quattro 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 Audi 100 Quattro cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Audi 100 Quattro 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 Audi 100 Quattro cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Audi 100 Quattro 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 Audi 100 Quattro cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1991-92 -> Precautions -> Cleanliness -> General Service -> Safety
Vehicle: 1991 Audi 100 Quattro 2.3 L5 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 Audi 100 Quattro A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Audi 100 Quattro 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 Audi 100 Quattro cars and light trucks from 1990+
Air Bag System Precautions -> Audi -> Disarming -> Air Bag II & III System -> Air Bag V System
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
Air Bag II & III System
The system must be disarmed prior to disconnecting any air bag system electrical connectors or servicing any system components or other components located near an air bag system electrical connector. Obtain the radio security code prior to disconnecting the battery ground cable. Establishing the engine control module and automatic transmission control module settings may be required using scan tool No. VAG 1551, or equivalent.
- Disconnect battery ground cable and cover negative terminal.
- On 1990-92 Coupe, Quattro, 80/90 and 19...
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Audi 100 Quattro 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 Audi 100 Quattro cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Audi 100 Quattro 2.3 L5 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Audi 100 Quattro A/C & HEATER SERVICE PROCEDURES
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