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1994 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

A/C & HEATER SERVICE PROCEDURES FOR 1994 Audi V8 Quattro AUTOMOBILES
Imported Cars & Light Trucks & Vans -> 1993-95 -> Exercise System
Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS
An important fact most car owners ignore is that A/C systems must be used periodically. Car manufacturers caution that when the air conditioner is not used regularly, particularly during cold months, it should be turned on for a few minutes once every two or three weeks while the engine is running. This keeps the system in good operating condition.
Checking out the system for the effects of disuse before the onset of summer is one of the most important aspects of A/C system servicing.
First clean out the condenser core, mounted in all cases at the front of the cars...
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BRAKE SERVICE PROCEDURES FOR 1994 Audi V8 Quattro AUTOMOBILES
Disc Brakes -> Single Piston Front Disc Brakes -> Brake Pad Service
Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS
- Raise and support vehicle, then remove wheel assemblies.
- If brake pads are to be reused, then mark installed positions for installation reference.
- Disconnect wheel speed sensor electrical connection, then remove cap from upper guide pin, Fig. .
- Disconnect brake pad wear indicator electrical connect, then remove wiring from lower guide pin cap and remove cap.
- Pry brake retaining spring from caliper housing with a suitable screwdriver and remove.
- Remove guide pins, then the caliper housing. Secure brake caliper housing to vehicle with a suitable piece of wire. Do not ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 Audi V8 Quattro AUTOMOBILES
Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Obtain the vehicle owner's radio theft protection code, then disconnect the battery ground cable. Briefly open fuel filler cap to relieve system pressure, then close it again.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
Removal & Installation
On A4 and S4 mod...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Audi V8 Quattro AUTOMOBILES
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 1994 Audi V8 Quattro AUTOMOBILES
Alternator, Replace
Vehicle: 1994 Audi V8 Quattro 32V 4.2 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 1994 Audi V8 Quattro AUTOMOBILES
Audi -> Check Engine Lamp -> Less OBD II
Vehicle: 1994 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 1994 Audi V8 Quattro AUTOMOBILES
Radiator, Replace
Vehicle: 1994 Audi V8 Quattro 32V 4.2 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 1994 Audi V8 Quattro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS
Mark direction of belt travel before removing, using a crayon or marker. Reinstalling a used belt in opposite...
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COMPONENT LOCATION DIAGRAMS FOR 1994 Audi V8 Quattro AUTOMOBILES
Component location diagrams for most 1994 Audi V8 Quattro cars and light trucks sold in the U.S. from 1990+.
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WIRING DIAGRAMS FOR 1994 Audi V8 Quattro AUTOMOBILES
OEM drawn wiring diagrams for most 1994 Audi V8 Quattro cars and light trucks sold in the U.S.
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![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1994 Audi V8 Quattro AUTOMOBILES
OEM TSB listings for most 1994 Audi V8 Quattro cars and light trucks sold in the U.S. from 1985+.
Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS Auto Systems: |
Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED Vehicle: 1994 Audi V8 Quattro 32V 4.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1994 Audi V8 Quattro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 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 1994 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 1994 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 1994 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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