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Audi S4 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 S4 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 S4 cars and light trucks from 1990+
Drive Belt Data -> Imported Cars & Light Trucks & Vans -> 2001-02
Vehicle: 2001 Audi S4 Avant 2.7 V6 GAS
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BRAKE SERVICE PROCEDURES FOR Audi S4 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Audi S4 cars and light trucks from 1990+.
Anti-lock Brakes -> Troubleshooting -> 1994-95 -> Power Supply
Vehicle: 1993 Audi S4 2.2 L5 GAS
Power Supply
1994-95
- Check battery for full charge.
- Check that fuses 3, 12 and anti-lock brake power supply relay fuses are satisfactory. The anti-lock brake power supply relay fuse is located on top of the power supply relay.
- Check for continuity between ABS control unit connector terminal 13 and ground, at battery ground cable. Fig. .
- Turn ignition switch to the Off position.
- Check for continuity between ABS control unit connector terminal 10 and ground.
- Check for battery voltage between ABS control unit plug terminals 1 and 10. Approximate battery voltage should be read.
- If ap...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Audi S4 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Audi S4 cars and light trucks sold in the U.S. for 1980+.
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 2000 Audi S4 2.7 V6 GAS
Normal Service
Service as re...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Audi S4 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Audi S4 cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1994 Audi S4 2.2 L5 GAS
- Remove wheel cover and remove nut securing axle shaft in hub.
- Raise and support vehicle, then remove wheels. Remove shield in right side driveshaft.
- Remove driveshaft flange to transmission securing screws, then pull speed sensor slightly out of housing.
- On automatic transmission models, remove stabilizer bar clamps and disconnect ball joint from hub.
- On all models, press axle shaft from hub usi...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Audi S4 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 S4 cars and light trucks sold in the U.S. from mid 1990's+.
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 Audi S4 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Audi S4 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 2005 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 Audi S4 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Audi S4 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Audi -> 1996-2008 A4, 1998 Cabriolet, 2002-08 S4 & 2007-09 RS4
Vehicle: 2007 Audi S4 Cabriolet 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 Audi S4 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Audi S4 cars and light trucks sold in the U.S. from 1990+.
Audi -> Air Bag Warning Lamp ->
Vehicle: 1994 Audi S4 2.2 L5 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Audi S4 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Audi S4 cars and light trucks from 1990+
Radiator, Replace
Vehicle: 2004 Audi S4 Avant 4.2 V8 GAS
- Remove front engine cover.
- Open cap of coolant expansion tank.
- On models with auxiliary heater, remove bolts for parking heater/auxiliary heater exhaust pipe on sound insulation.
- Loosen quick-release fasteners and remove front sound insulation. Rear section of sound insulation remains installed.
- Remove front bumper cover.
- Disconnect coolant hose from lower left of radiator and drain engine coolant, using a suitable container.
- Disconnect coolant hose from lower right of radiator.
- Disconnect top coolant hose from radiator.
- On models with automatic transmission, proceed as follows:
- Remove...
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SERPENTINE BELT SERVICE PROCEDURES FOR Audi S4 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Audi S4 cars and light trucks sold in the U.S. from 1990+.
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 Audi S4 AUTOMOBILES
Component location diagrams for most Audi S4 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 S4 AUTOMOBILES
OEM drawn wiring diagrams for most Audi S4 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Audi S4 AUTOMOBILES
OEM TSB listings for most Audi S4 cars and light trucks sold in the U.S. from 1985+.
Document: SHOCK ABSORBER LEAKS: ASSESSMENT AID Vehicle: 2007 Audi S4 Avant 4.2 V8 GAS Symptoms: |
Document: SATELLITE RADIOS, INTERMITTENT RECEPTION CONCERNS Vehicle: 2004 Audi S4 Avant 4.2 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR Audi S4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 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 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 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 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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