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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 PROCEDURES FOR Audi V8 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 Audi V8 Quattro cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1991-92 -> Charging System -> Charging Station Method -> Disposable Can Method
Vehicle: 1992 Audi V8 Quattro 32V 4.2 V8 GAS
Disposable Can Method
- Connect a suitable refrigerant dispensing valve to refrigerant can, then connect manifold gauge set to system.
- Connect center line of gauge set to fitting on container valve, Fig. .
- Purge air from center line by loosening connection at center fitting on gauge set, then slightly opening valve at container for a second or two. Retighten connection at gauge...
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BRAKE SERVICE PROCEDURES FOR Audi V8 Quattro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Audi V8 Quattro cars and light trucks from 1990+.
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 Audi V8 Quattro AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Audi V8 Quattro cars and light trucks sold in the U.S. for 1980+.
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 Audi V8 Quattro AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Audi V8 Quattro cars and light trucks from 1990+.
DRIVESHAFT, Replace
Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS
Propeller shaft work must be performed with vehicle on a suitable dual support hoist.
- Remove crossmember, then catalytic converter(s) and main muffler from retainer.
- Remove transmission heat shield and heat shield above propeller shaft.
- Loosen propeller shaft bolts at transmission, differential and center support.
- Install a suitable alignment tool on driveshaft and tighten plastic nuts.
- Ensure white dot on rear propeller shaft flange aligned with a black dot on differential flange. If not, scribe mark on propeller shaft and differential flanges prior to disassembly.
- Remove propell...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Audi V8 Quattro AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Audi V8 Quattro cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1993 Audi V8 Quattro 32V 4.2 V8 GAS
- Disconnect battery ground cable.
- Remove screws securing wiring harness connectors from battery to the starter and ignition switch to the starter ...
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MAINTENANCE LAMP RESET PROCEDURES FOR Audi V8 Quattro AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Audi V8 Quattro cars and light trucks sold in the U.S. from 1990+.
Audi -> Check Engine Lamp -> Less OBD II
Vehicle: 1993 Audi V8 Quattro 32V 4.2 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 Audi V8 Quattro AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Audi V8 Quattro cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Audi V8 Quattro 32V 3.6 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at thermostat housing and remove hose.
- Remove hose from vehicle.
- Reverse procedure...
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SERPENTINE BELT SERVICE PROCEDURES FOR Audi V8 Quattro AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Audi V8 Quattro cars and light trucks sold in the U.S. from 1990+.
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 Audi V8 Quattro AUTOMOBILES
Component location diagrams for most Audi V8 Quattro cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR Audi V8 Quattro AUTOMOBILES
OEM drawn wiring diagrams for most Audi V8 Quattro cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Audi V8 Quattro AUTOMOBILES
OEM TSB listings for most Audi V8 Quattro cars and light trucks sold in the U.S. from 1985+.
Document: CONTROL ARM SUPPORT/REAR - BUSHING R&R - S/M SUPPL Vehicle: 1990 Audi V8 Quattro 32V 3.6 V8 GAS Auto Systems: |
Document: WARRANTY - UPDATED LIST OF MECHANICAL AND PAINT DAMAGE CATEGORIES Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Audi V8 Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 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 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 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 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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