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1997 Audi A8 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Imported Cars & Light Trucks & Vans -> 1996-97 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver/Drier -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 1997 Audi A8 3.7 V8 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...
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BRAKE SERVICE PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Anti-lock Brakes -> System Service -> 1995 -> A4 -> A6 & S6 -> A6, Cabriolet, S6 & 90 -> A8 -> Acceleration Switch -> Brake System Bleed -> Cabriolet & 90 -> Combination Relay -> Component Replacement -> Electronic Control Unit -> Except A8 -> Front Wheel Speed Sensors -> Hydraulic Control Unit -> Hydraulic Control Unit Mounting Bracket -> Rear Wheel Speed Sensors
Vehicle: 1997 Audi A8 3.7 V8 GAS
Brake System Bleed
Refer to "Hydraulic Brake System" for procedures.
Component Replacement
Electronic Control Unit
Except A8
The electronic control unit is located beneath the lefthand side of the rear seat.
- Turn ignition switch to the Off position.
- Remove rear seat.
- Remove spring retaining electrical connector, then disconnect electrical connector.
- Remove screws securing control unit.
- Reverse procedure to install.
A8
- Remove lower slot cover from between knee bolster and lower column cover.
- Remove knee bolster.
- Remove ABS control module.
- Disconnect ABS control module electrical harness connector.
- ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 1997 Audi A8 3.7 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 1997 Audi A8 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1997 Audi A8 3.7 V8 GAS
- Raise and support vehicle.
- Remove wheel cover, then drive axle bolt in hub.
- Raise and support vehicle, then remove wheel assemblies.
- Remove drive axle mounting bolts.
- Remove cable for ABS wheel speed sensor from bracket at brake caliper, then pull ABS wheel speed sensor slightly out of swing arm.
- R...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Starter, Replace
Vehicle: 1997 Audi A8 3.7 V8 GAS
- Remove engine cover from intake manifold.
- Remove throttle body assembly from rear of intake manifold.
- Attach suitable engine support adapter tool, to right rear engine lifting lug.
- Assemble suitable engine support bridge with brackets tool, to left and right s...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1997-2003 A8 & S8
Vehicle: 1997 Audi A8 3.7 V8 GAS
On 1997-2000 models, the cabin air filter should be replaced every 15,000 miles. On 2001-03 models, the cabin air filter should be replaced every ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Audi -> Check Engine Lamp -> With OBD II
Vehicle: 1997 Audi A8 3.7 V8 GAS
The Check Engine lamp should illuminate when the ignition switch is placed in the On position to indicate the lamp is operational. After the engine has been started, the warning lamp should go off. If warning lamp com...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1997 Audi A8 3.7 V8 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at rear coolant line and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1997 Audi A8 3.7 V8 GAS
- Rotate or lift the belt tensioner arm, using a suitable box end wrench to relieve tension fr...
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COMPONENT LOCATION DIAGRAMS FOR 1997 Audi A8 AUTOMOBILES
Component location diagrams for most 1997 Audi A8 cars and light trucks sold in the U.S. from 1990+.
I/P & Console Component Locations Diagram for 1997 Audi A8 3.7 V8 GAS Components on diagram: |
Control Module Component Locations Diagram for 1997 Audi A8 3.7 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1997 Audi A8 AUTOMOBILES
OEM drawn wiring diagrams for most 1997 Audi A8 cars and light trucks sold in the U.S.
1997 Audi A8 3.7 V8 GAS Wiring Diagram Components on diagram: |
1997 Audi A8 3.7 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1997 Audi A8 AUTOMOBILES
OEM TSB listings for most 1997 Audi A8 cars and light trucks sold in the U.S. from 1985+.
Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1997 Audi A8 3.7 V8 GAS Auto Systems: |
Document: LATCH SYSTEM, INSTALLING/RETROFITTING - REVISED Vehicle: 1997 Audi A8 3.7 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1997 Audi A8 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1997 Audi A8 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 1997 Audi A8 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 1997 Audi A8 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 1997 Audi A8 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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