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2008 Audi S4 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 S4 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 S4 automobile. Try the Automotix DIY solution today!
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Audi S4 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2008 Audi S4 4.2 V8 GAS
- Raise and support vehicle.
- Remove rear section of exhaust system at clamp(s).
- Pry off rear attachments of drive shaft heat shield.
- Remove securing bolts for center bearing When removing securing bolts, support drive shaft by hand. Do not bend drive shaft.
- Remove heat shield. Continue supporting drive shaft.
- Screw in securing bolts for center bearing again hand-tight.
- Remove drive shaft heat shield from transmission.
- Check for a factory marking (colored dot) on drive shaft and on drive shaft flange on final drive at rear. If no colored dot is present, mark position of drive shaft fl...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Audi S4 AUTOMOBILES
Reset Procedures
Vehicle: 2008 Audi S4 Cabriolet 4.2 V8 GAS
- Check and the adjust tire pressure to the manufacturer's specifications.
- Press the Reset button located on the windshield wiper control lever until DISPLAY TYPE appears on the instrument cluster.
- Press button on end of the windshield wiper control lever to select SET option.
- Press the Reset button on the windshield wiper control lever.
- Press button on end of the wi...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 Audi S4 AUTOMOBILES
Starter, Replace
Vehicle: 2008 Audi S4 Avant 4.2 V8 GAS
- Disconnect battery ground cable.
- Remove rear noise insulation.
- Remove electrical connector from solenoid.
- Remove terminal B+ protective cap.
- Remove nut and terminal B+ from solenoi...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Audi S4 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1996-2008 A4, 1998 Cabriolet, 2002-08 S4 & 2007-09 RS4
Vehicle: 2008 Audi S4 4.2 V8 GAS
On 1996-2003 models, the cabin air filter should be replaced every 20,000 miles.
On 2004-09 models, the cabin air filter should be replaced at 15,000 miles, then every 20,000 miles.
- Open the hood.
- Remove the righthand side air intake pl...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Audi S4 AUTOMOBILES
Audi -> Auto-Check Indicator System ->
Vehicle: 2008 Audi S4 Cabriolet 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 2008 Audi S4 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Audi S4 Cabriolet 4.2 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at thermostat housing and remove hose.
- Remove hose from vehicle.
- Reverse procedure ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Audi S4 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 Audi S4 Avant 4.2 V8 GAS
- Mark direction of rotation of drive belt with chalk or felt pen, if belt is to be reused.
- Loosen tensioning bolt using a suitable tool and remove drive be...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Audi S4 AUTOMOBILES
Component location diagrams for most 2008 Audi S4 cars and light trucks sold in the U.S. from 1990+.
 Communication Components Diagram for 2008 Audi S4 Cabriolet 4.2 V8 GASComponents on diagram: |
 Safety Components Diagram for 2008 Audi S4 Cabriolet 4.2 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2008 Audi S4 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Audi S4 cars and light trucks sold in the U.S.
 2008 Audi S4 Avant 4.2 V8 GAS Wiring DiagramComponents on diagram: |
 2008 Audi S4 4.2 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Audi S4 AUTOMOBILES
OEM TSB listings for most 2008 Audi S4 cars and light trucks sold in the U.S. from 1985+.
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Document: NAVIGATION PLUS (RNS-E) DVD READ ERROR - REVISED Vehicle: 2008 Audi S4 4.2 V8 GAS Auto Systems: |
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Document: AUDI TIRE PRESSURE MONITORING SYSTEMS OVERVIEW - REVISED Vehicle: 2008 Audi S4 4.2 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Audi S4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Audi S4 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 S4 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 S4 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 S4 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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