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1990 Audi V8 Quattro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Audi V8 Quattro car and truck
repair procedures including Audi 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 Audi V8 Quattro automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
A/C & Cooling System Maintenance -> Audi -> 1990-96
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
AUDI, HYDRAULIC BRAKE SYSTEM -> CHECKING BRAKE SERVO OPERATING PRESSURE -> 1990-91 100/200
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
1990-91 100/200
Refer to Fig. , when checking operating pressure.
- With engine off, depress brake pedal approximately 20 times to reduce system pressure.
- Disconnect warning light switch electrical connector, then remove switch.
- Attach pressure gauge with hollow bolt and copper washers to brake servo unit. Attach thick copper washer between brake servo unit and banjo fitting and thin copper washer between hollow bolt and banjo fitting.
- Start engine and let idle until pressure gauge reading exceeds 2030 psi.
- If specified pressure is not reached, check delivery rat...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
Normal Service
Service as re...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
Refer to Fig. , during removal procedures.
- Remove cover from wheel rim using a suitable removal tool then axle shaft bolt and washer.
- Raise and support vehicle, then pull back speed sensor slightly.
- Remove both stabilizer bar bearing bushing shells, then clamping bolt for wheel bea...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
Alternator, Replace
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
- Disconnect battery ground cable.
- Remove serpentine drive belt Fig. , then disconnect electrical connections from alternator.
- Remove alternator mounting bolts and brackets, then ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
Audi -> Check Engine Lamp -> Less OBD II
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
The Check Engine lamp will be illuminated when the ignition switch is placed in the On position. After the engine is started, the lamp should go off. If the lamp remains lit, a diagnostic trouble code has been stored in the Electronic Control Unit (ECU) memory. After completing diagnosis and repairs, the Check engine lamp can be reset as follows:
- With ignition switch ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
Radiator, Replace
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
- Drain coolant into a suitable container.
- Unbolt radiator air guide on left and right sides.
- Remove lock carrier bolts located below hood support (n...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Audi V8 Quattro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS
Risk of destroying due to reversed running direction on a used drive belt. Before removing drive belt, marking running direction with chalk or felt-tip pen for reinstallation later.
- Swing tensioning device in a counterclockwise direction to relieve tension o...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Audi V8 Quattro AUTOMOBILES
Component location diagrams for most 1990 Audi V8 Quattro cars and light trucks sold in the U.S. from 1990+.
 Passenger Compartment Components, Front Diagram for 1990 Audi V8 Quattro 32V 3.6 V8 GASComponents on diagram: |
 Fuse/Relay Panel Diagram for 1990 Audi V8 Quattro 32V 3.6 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 Audi V8 Quattro AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Audi V8 Quattro cars and light trucks sold in the U.S.
 1990 Audi V8 Quattro 32V 3.6 V8 GAS Wiring DiagramComponents on diagram: |
 1990 Audi V8 Quattro 32V 3.6 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Audi V8 Quattro AUTOMOBILES
OEM TSB listings for most 1990 Audi V8 Quattro cars and light trucks sold in the U.S. from 1985+.
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Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS Auto Systems: |
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Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Audi V8 Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Audi V8 Quattro cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1990 Audi V8 Quattro cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1990 Audi V8 Quattro cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1990 Audi V8 Quattro cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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