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1998 Audi A8 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
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- Technical Service Bulletins
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 Audi A8 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 A8 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
Air Bag System Precautions -> Audi -> Disarming -> Air Bag II & III System -> Air Bag V System
Vehicle: 1998 Audi A8 3.7 V8 GAS
Air Bag II & III System
The system must be disarmed prior to disconnecting any air bag system electrical connectors or servicing any system components or other components located near an air bag system electrical connector. Obtain the radio security code prior to disconnecting the battery ground cable. Establishing the engine control module and automatic transmission control module settings may be required using scan tool No. VAG 1551, or equivalent.
- Disconnect battery ground cable and cover negative terminal.
- On 1990-92 Coupe, Quattro, 80/90 and 19...
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BRAKE SERVICE PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
Disc Brakes -> Teves Single Piston Front Brakes -> Tightening Specifications
Vehicle: 1998 Audi A8 3.7 V8 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 1998 Audi A8 3.7 V8 GAS
Normal Service
Service as re...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1998 Audi A8 3.7 V8 GAS
- Pull cap off disc wheel using suction cup.
- Loosen flanged bolt, Fig. .
- Remove wheel and pull out wheel speed sensor.
- Fasten brake disc to wheel hub using wheel bolt.
- Remove bolts for brake caliper and tie caliper up to body with wire.
- Remove brake disc.
- Remove cover plate for brake disc by removing bolts.
- Install suitable spring tensioner and spring holder tools onto coil spring.
- Remove pretensioned spring together with spring tensioner.
- Disconnect drive axle from drive flange.
- Remove knuckle mounting nut and bolt.
- Remove lower control arm to link bolt.
- Disconnect tie ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
Alternator, Replace
Vehicle: 1998 Audi A8 3.7 V8 GAS
- Remove serpentine drive belt, then raise and support vehicle.
- Remove sound 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 1998 Audi A8 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1997-2003 A8 & S8
Vehicle: 1998 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 1998 Audi A8 AUTOMOBILES
Audi -> Service Indicator Lamp -> 1998-2004 -> Less Scan Tool -> With Scan Tool
Vehicle: 1998 Audi A8 3.7 V8 GAS
With Scan Tool
- Connect VAG 1551 scan tool and VAG 1551/3 adapter cable, or equivalents, to diagnostic connector.
- "Rapid Data Transfer" will be displayed.
- Initiate adaptation function 10 as follows:
- Press buttons 1 and 0 to select adaptation function 10.
- Press Q button to confirm input.
- Press buttons 0 and 2 to insert channel number 02.
- Press Q button to confirm input.
Less Scan Tool
- Place ignition to Off position.
- Press reset button for trip recorder in instrument cluster and place ignition switch in On pos...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 Audi A8 3.7 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at connection for thermostat and remove hose.
- Remove hose from vehicle.
- Reverse proce...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Audi A8 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 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 1998 Audi A8 AUTOMOBILES
Component location diagrams for most 1998 Audi A8 cars and light trucks sold in the U.S. from 1990+.
 Control Module Component Locations Diagram for 1998 Audi A8 3.7 V8 GASComponents on diagram: |
 Fuel & Emissions Systems Component Locations Diagram for 1998 Audi A8 3.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1998 Audi A8 AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Audi A8 cars and light trucks sold in the U.S.
 1998 Audi A8 3.7 V8 GAS Wiring DiagramComponents on diagram: |
 1998 Audi A8 3.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Audi A8 AUTOMOBILES
OEM TSB listings for most 1998 Audi A8 cars and light trucks sold in the U.S. from 1985+.
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Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1998 Audi A8 3.7 V8 GAS Auto Systems: |
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Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED Vehicle: 1998 Audi A8 3.7 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Audi A8 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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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