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2000 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
- Brake Service
- Fuel Filter Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
Audi -> Component Replacement & Adjustment -> Blower Motor, Replace -> A4 -> A6 -> A8 -> Cabriolet
Vehicle: 2000 Audi S4 2.7 V6 GAS
A4
- On models with audio coded anti-theft system, refer to "Precautions."
- On all models, remove cover from under glove compartment, then the glove compartment.
- Remove angle bracket attaching screws, then the angle brackets (4), Fig. .
- Disconnect orange air bag unit electrical connector. Orange electrical connector is connected to wiring harness and is located on center tunnel behind left side of the air bag unit. Do not disconnect red two pin connections on air bag unit. If red two pin electrical connection on air bag unit is loose, air bag unit m...
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BRAKE SERVICE PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
Anti-lock Brakes -> Diagnosis & Testing -> A4, A6, A8, S4 & S6 -> ABS Return Pump Does Not Run, Relay Good, Tester In Position 3 -> ABS Return Pump Does Not Run, Tester In Position 3 -> Accessing Diagnostic Trouble Codes (DTC) -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Electrical Testing -> Hydraulic Modulator High & Low Pressure Testing -> LED 1 & 3 Do Not Light, Tester In Position 1 -> LED 18 Does Not Light -> LED 19 Does Not Light -> LED 35 Does Not Light -> LED 4 Does Not Light, Tester In Position 1 -> LED 4, 2, 35, 18 & 19 Do Not Light, Tester In Position 1 -> LED For Alternator Does Not Go Out When Engine Starts -> LED For Alternator Does Not Light, Tester In Position 2 -> LED For Brakes Does Not Go Out When Brake Pedal Is Depressed -> LED For Brakes Does Not Light -> No Response From Selected Sensor, Tester In Position 6 -> Read Measuring Value Block -> S6 -> Sensor Signal On Meter Below Minimum Value -> TT -> With LED Type Tester -> With Scan Tool -> Wrong Solenoid Valve Operates, Tester In Position 5
Vehicle: 2000 Audi S4 2.7 V6 GAS
With LED Type Tester
LED 1 & 3 Do Not Light, Tester In Position 1
Refer to Fig. ,for LED identification numbers. Weaker illumination of an LED indicates a contact resistance in respective circuit.
- Inspect for continuity between ABS control unit connector terminal 34 and ground at battery ground cable (LED 1), Fig. .
- Inspect for continuity between ABS control unit connector terminal 10 and ground at battery ground cable (LED 3).
- If continuity does not exist, repair shorted or open circuit.
LED 4 Does Not Light, Tester In Position 1
Refer to Fig. ,for LED identification. Weaker illum...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
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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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
Starter, Replace
Vehicle: 2000 Audi S4 2.7 V6 GAS
- Remove alternator assembly.
- Remove turbocharger duct as required to ease access to starter.
- Disconnect all electrical connectors at starter.
- On models equipped with manual tra...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
Audi -> Brake Pad Wear Indicator Lamp ->
Vehicle: 2000 Audi S4 2.7 V6 GAS
The brake pad wear warning lamp will be illuminated when disc brake pads wear d...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2000 Audi S4 2.7 V6 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 procedu...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2000 Audi S4 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2000 Audi S4 2.7 V6 GAS
- On Turbo equipped models, remove any turbocharger ductwork at front of engine as required.
- On all models, rotate or lift the belt tensioner a...
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COMPONENT LOCATION DIAGRAMS FOR 2000 Audi S4 AUTOMOBILES
Component location diagrams for most 2000 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 2000 Audi S4 AUTOMOBILES
OEM drawn wiring diagrams for most 2000 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 2000 Audi S4 AUTOMOBILES
OEM TSB listings for most 2000 Audi S4 cars and light trucks sold in the U.S. from 1985+.
Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 2000 Audi S4 2.7 V6 GAS Auto Systems: |
Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED Vehicle: 2000 Audi S4 2.7 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2000 Audi S4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2000 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 2000 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 2000 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 2000 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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