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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
Audi -> Component Replacement & Adjustment -> Cooling System Bleed -> A4 -> A6 & Cabriolet
Vehicle: 1997 Audi A8 3.7 V8 GAS
A4
- Close drain plugs at engine block and bottom left side of radiator.
- Push on connection flange of coolant hose at bottom of radiator, and install locking element for connection flange.
- Unscrew cap on expansion tank, then screw on adapter flange tool No. VAG 1274/1, or equivalent, and extend with an auxiliary hose.
- Open hose clamp, pull back coolant hose so vent hole is not concealed by connection.
- Open bleed screw on coolant pipe below expansion tank
- Pour coolant into system tank, while observing bleeder screw.
- Tighten bleed...
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BRAKE SERVICE PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Power Brake Units -> Power Brake Unit Service -> A4 -> A6, Cabriolet & 90 -> A8 -> Hydraulic Booster/Servo -> Vacuum Booster
Vehicle: 1997 Audi A8 3.7 V8 GAS
Hydraulic Booster/Servo
- Remove master cylinder as outlined under "Hydraulic Brake System."
- Disconnect hydraulic lines from booster/servo.
- Remove brake booster/servo attaching bolts.
- Disconnect booster pushrod from brake pedal.
- Reverse procedure to install, noting the following:
- Adjust push rod length to 9.04-9.08 inches from face of booster/servo unit to center of clevis hole.
- Torque booster mounting bolts to 18 ft. lbs.
Vacuum Booster
A4
- Remove master cylinder as outlined under "Hydraulic Brake System."
- Disconnect hydraulic lines from brake servo unit.
- Remove stowage area from under l...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1997 Audi A8 AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 1997 Audi A8 3.7 V8 GAS
Normal Service
Service as re...
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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
Alternator, Replace
Vehicle: 1997 Audi A8 3.7 V8 GAS
- Remove serpentine drive belt, then raise and support vehicle.
- Remove noise insulation panel from under engine.
- Disconnect alternator electrical connectors.
- Disconnect cooling duct from rear of alterna...
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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 -> Brake Pad Wear Indicator Lamp ->
Vehicle: 1997 Audi A8 3.7 V8 GAS
The brake pad wear warning lamp will be illuminated when disc brake pads wear d...
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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+.
![]() Components on diagram: |
![]() 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.
![]() Components on 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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