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2008 Audi S8 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- 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 2008 Audi S8 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 S8 automobile. Try the Automotix DIY solution today!
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Audi S8 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2008 Audi S8 5.2 V10 GAS
- Raise and support vehicle.
- Disconnect both tunnel struts.
- Remove rear section of exhaust system at exhaust pipe clamp(s).
- Unbolt heat shield for center bearing.
- Remove bolts and take off cover.
- Remove nuts securing front mufflers and tie up or support front mufflers. Avoid excessive bending of flexible pipe connection (decoupling element) on front exhaust pipe. Angle between front muffler and front exhaust pipe must not exceed 10° or flexible connection will be damaged.
- Remove bolts and remove heat shield from transmission.
- Check whether there is a factory marking (paint) on drives...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Audi S8 AUTOMOBILES
Diagnosis & Testing -> Accessing Diagnosis Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Trouble Code Identification
Vehicle: 2008 Audi S8 5.2 V10 GAS
Accessing Diagnosis Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.
Diagnostic Trouble Code Identification
A system fault stored in TPMS control module memory is indicated by a constantly illuminated yellow TPMS indicator lamp on the instrument cluster. The TPMS indicator lamp cannot be...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Audi S8 AUTOMOBILES
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 2008 Audi S8 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 2004-09 A8 & S8
Vehicle: 2008 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 2008 Audi S8 AUTOMOBILES
Audi -> Auto-Check Indicator System ->
Vehicle: 2008 Audi S8 5.2 V10 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 2008 Audi S8 AUTOMOBILES
Radiator, Replace
Vehicle: 2008 Audi S8 5.2 V10 GAS
- Drain cooling system into a suitable container.
- Remove coolant vent line to expansion tank at radiator.
- Place suitable catch pan under bottom righthand corner of radiator at transmission cooler, then disconnect ATF lines.
- Remove coolant hose at bottom righthand of radiator.
- Disconnect Engine Coolant Temperature (ECT) sensor above coolant hose.
- Disconnect top coolant hose from radiator.
- Remove radiator air gui...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Audi S8 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Audi S8 5.2 V10 GAS
- Remove hood seal from lock carrier and from fender edges.
- Disconnect required vacuum hoses and move out of the way.
- Remove front engine cover.
- Raise and support vehicle.
- On models equipped w/parking heater/auxiliary heater, remove bolts for exhaust pipe of parking heater/auxiliary heater on noise insulation.
- On all models, loosen quick-disconnect fa...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Audi S8 AUTOMOBILES
Component location diagrams for most 2008 Audi S8 cars and light trucks sold in the U.S. from 1990+.
 Underbody Components Diagram for 2008 Audi S8 5.2 V10 GASComponents on diagram: |
 Brake Components Diagram for 2008 Audi S8 5.2 V10 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2008 Audi S8 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Audi S8 cars and light trucks sold in the U.S.
 2008 Audi S8 5.2 V10 GAS Wiring DiagramComponents on diagram: |
 2008 Audi S8 5.2 V10 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Audi S8 AUTOMOBILES
OEM TSB listings for most 2008 Audi S8 cars and light trucks sold in the U.S. from 1985+.
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Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 2008 Audi S8 5.2 V10 GAS Auto Systems: |
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Document: AUDI TIRE PRESSURE MONITORING SYSTEMS OVERVIEW - REVISED Vehicle: 2008 Audi S8 5.2 V10 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Audi S8 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 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 2008 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 2008 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 2008 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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