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Audi S8 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 S8 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 S8 cars and light trucks from 1990+
Import Compressor Service -> Zexel Compressor -> Clutch Air Gap, Adjust
Vehicle: 2001 Audi S8 4.2 V8 GAS
- Check clearance around entire clutch disc using a feeler gauge.
- Disc pulley clearance shoul...
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BRAKE SERVICE PROCEDURES FOR Audi S8 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Audi S8 cars and light trucks from 1990+.
Anti-lock Brakes -> Troubleshooting
Vehicle: 2002 Audi S8 4.2 V8 GAS
Refer to "Diagnosis ... "
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FUEL FILTER REPLACEMENT PROCEDURES FOR Audi S8 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Audi S8 cars and light trucks sold in the U.S. for 1980+.
Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 2002 Audi S8 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 Audi S8 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Audi S8 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 2001 Audi S8 4.2 V8 GAS
- Remove wheel cover, then drive axle bolt in hub.
- Raise and support vehicle, then remove tires.
- 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.
- Remove swing ar...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Audi S8 AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Audi S8 cars and light trucks sold in the U.S. from mid 1990's+.
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2008 Audi S8 5.2 V10 GAS
Refer to Figs. and for wir...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Audi S8 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Audi S8 cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 2008 Audi S8 5.2 V10 GAS
- Disconnect battery ground cable.
- Pivot tensioner to release drive belt tension.
- Place a bolt or drift in hole to lock tensioner.
- Remove drive belt.
- Remove drive belt tensioner.
- Disconnect connector from alternator.
- Remove nut and B+ terminal from alternator.
- Clamp off coolant hoses.
- Loosen hose clamps on coolant hoses.
- Loosen alternator mounting bolts approximately 6 turns.
- Tap bolt heads with ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Audi S8 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Audi S8 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Audi -> 2004-09 A8 & S8
Vehicle: 2009 Audi S8 5.2 V10 GAS
The cabin air filter should be replaced at 15,000 miles, then every 20,000 miles.
- Open the hood.
- Remove the left and right plenum chamber covers.
- Turn the four filter cover retainers 180°, then remove the cover and filter, Fig. .
- Remov...
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MAINTENANCE LAMP RESET PROCEDURES FOR Audi S8 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Audi S8 cars and light trucks sold in the U.S. from 1990+.
Audi -> Auto-Check Indicator System ->
Vehicle: 2002 Audi S8 4.2 V8 GAS
The auto-check system will monitor certain vehicle systems when the ignition switch is placed in the On position and vehicle is operated. When all monitored systems are functioning properly, the system display will indicate "OK" for a few seconds after the ignition switch is placed in the On position.
This system monitors brake fluid level and hydraulic pressure, engine oil pressure, coolant temperature and level, brake pad wear, headlamps and tail lamps, battery voltage, washer fluid level and fuel level.
When the auto-check yellow or r...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Audi S8 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Audi S8 cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2007 Audi S8 5.2 V10 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at rear coolant pipe and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR Audi S8 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Audi S8 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2002 Audi S8 4.2 V8 GAS
- Rotate or lift the belt tensioner arm, using a suitable box end wrench to relieve tension ...
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COMPONENT LOCATION DIAGRAMS FOR Audi S8 AUTOMOBILES
Component location diagrams for most Audi S8 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 S8 AUTOMOBILES
OEM drawn wiring diagrams for most Audi S8 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Audi S8 AUTOMOBILES
OEM TSB listings for most Audi S8 cars and light trucks sold in the U.S. from 1985+.
Document: WARRANTY - UPDATED LIST OF MECHANICAL AND PAINT DAMAGE CATEGORIES Vehicle: 2002 Audi S8 4.2 V8 GAS Auto Systems: |
Document: OIL CONSUMPTION MEASUREMENT - REVISED Vehicle: 2003 Audi S8 4.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Audi S8 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Audi S8 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 S8 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 S8 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 S8 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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