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1999 Audi A4 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- 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 1999 Audi A4 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 A4 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Imported Cars & Light Trucks & Vans -> 1998-2000 -> Oil Charge -> 2.5 & 3.5 TL -> 3.5 RL -> 3000GT -> 4Runner -> 626 -> Accent -> Accord -> Acura -> Amigo, Rodeo & Trooper -> Audi -> Avalon -> B-Series Pickup -> BMW -> Boxster & 911 -> Cabrio, Golf, GTI & Jetta -> Camry & Camry Solara -> Celica & Echo -> Civic w/Nippondenso Compressor & CR-V -> Civic w/Sanden Compressor -> CL -> Corolla -> Diamante -> Eclipse -> Elantra & Triburon -> ES300 -> Forester & Legacy -> Galant -> GS300 & GS400 -> Hombre -> Honda -> Hyundai -> Impreza -> Infiniti -> Insight, Prelude & S2000 -> Integra -> Isuzu -> Jaguar -> Kia -> Land Cruiser -> Lexus -> LS400 -> LX450 & LX470 -> Mazda -> Mercedes Benz -> Miata -> Millenia -> Mirage -> Mitsubishi -> Montero -> Montero Sport -> MPV -> New Beetle -> Nissan -> Oasis -> Odyssey -> Outback -> Passat -> Passport -> Pickup -> Porsche -> Protege -> RAV4 -> RX300 -> Saab -> SC300 & SC400 -> Sienna & Tacoma -> SLX -> Sonata -> Subaru -> Supra -> Suzuki -> T100 & Tundra -> Tercel -> Toyota -> Volkswagen -> Volvo
Vehicle: 1999 Audi A4 1.8 L4 GAS
Remove defective components. Add the proper amount of oil to each replacement component. Most recovery/recycling equipment will measure the amount of oil being removed. This is the amount of oil to be added back to the system, follow manufactures instructions provided with the recovery/recycling station.
Acura
Integra
When replacing compressor drain old and new units. Add oil to new compressor equal to 5.0 oz. minus amount drained from old unit, but do not add more than 1.7 oz. of oil.
When replacing other system components add the following amount of new oil...
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BRAKE SERVICE PROCEDURES FOR 1999 Audi A4 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: 1999 Audi A4 1.8 L4 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 1999 Audi A4 AUTOMOBILES
Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
Vehicle: 1999 Audi A4 2.8 V6 GAS
Normal Service
Service as re...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1999 Audi A4 2.8 V6 GAS
- Remove cap from wheel using a suitable removal tool then loosen lug nuts.
- Remove axle bolt and washer Fig. . Remove and install axle bolt only with tires on ground. Do not move vehicle without driveshaft or outer constant velocity joint installed.
- Raise and support vehicle, then remove wheel.
- Pull speed sensor out of axle housing slightly.
- Loosen but do not remove lower control arm bolts at subframe.
- Remove lower strut bolt from lower control arm.
- Remove bolts from driveshaft flange at transaxle.
- Remove lower mounting bolt for strut.
- Remove bolts retaining knuckle to upper control a...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Starter, Replace
Vehicle: 1999 Audi A4 1.8 L4 GAS
- Obtain radio anti-theft protection code.
- On models equipped with A/C, proceed as follows:
- Remove front bumper.
- Remove three quick release screws on front of sound insulation panel.
- Remove air intake duct between the header panel and air cleaner.
- Remove wiring harness clamps located at lefthand side of radiator frame.
- Remove bolt (2), Fig. , and install suitable support tool.
- Install suitable support tool to lefthand side bore, Fig. .
- Remove bolts (1) and (3), then bolt (4) and pull header panel outward until the stop is reached.
- Install suitable M6 bolts into rear bore holes of header p...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Cabin Air Filter Service -> Audi -> 1996-2008 A4, 1998 Cabriolet, 2002-08 S4 & 2007-09 RS4
Vehicle: 1999 Audi A4 1.8 L4 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 1999 Audi A4 AUTOMOBILES
Audi -> Service Indicator Lamp -> 1998-2004 -> Less Scan Tool -> With Scan Tool
Vehicle: 1999 Audi A4 2.8 V6 GAS
With Scan Tool
- Connect VAG 1551 scan tool and VAG 1551/3 adapter cable, or equivalents, to diagnostic connector.
- "Rapid Data Transfer" will be displayed.
- Initiate adaptation function 10 as follows:
- Press buttons 1 and 0 to select adaptation function 10.
- Press Q button to confirm input.
- Press buttons 0 and 2 to insert channel number 02.
- Press Q button to confirm input.
Less Scan Tool
- Place ignition to Off position.
- Press reset button for trip recorder in instrument cluster and place ignition switch in On pos...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1999 Audi A4 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1999 Audi A4 1.8 L4 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 1999 Audi A4 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1999 Audi A4 1.8 L4 GAS
- Put lock carrier into service position.
- Mark direction of engine rotation on belt.
- Slacken belt by turning tensioner in directi...
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COMPONENT LOCATION DIAGRAMS FOR 1999 Audi A4 AUTOMOBILES
Component location diagrams for most 1999 Audi A4 cars and light trucks sold in the U.S. from 1990+.
 Audio System Components Locations Diagram for 1999 Audi A4 2.8 V6 GASComponents on diagram: |
 I/P & Console Component Locations Diagram for 1999 Audi A4 1.8 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1999 Audi A4 AUTOMOBILES
OEM drawn wiring diagrams for most 1999 Audi A4 cars and light trucks sold in the U.S.
 1999 Audi A4 2.8 V6 GAS Wiring DiagramComponents on diagram: |
 1999 Audi A4 1.8 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1999 Audi A4 AUTOMOBILES
OEM TSB listings for most 1999 Audi A4 cars and light trucks sold in the U.S. from 1985+.
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Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED Vehicle: 1999 Audi A4 1.8 L4 GAS Auto Systems: |
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Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED Vehicle: 1999 Audi A4 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1999 Audi A4 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1999 Audi A4 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 1999 Audi A4 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 1999 Audi A4 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 1999 Audi A4 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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