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1998 Audi A6 Quattro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Audi REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 Audi A6 Quattro 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 A6 Quattro automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Audi mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1998 Audi A6 Quattro vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Air Bag System Precautions -> Audi -> Disarming -> Air Bag II & III System -> Air Bag V System
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

Air Bag II & III System

The system must be disarmed prior to disconnecting any air bag system electrical connectors or servicing any system components or other components located near an air bag system electrical connector. Obtain the radio security code prior to disconnecting the battery ground cable. Establishing the engine control module and automatic transmission control module settings may be required using scan tool No. VAG 1551, or equivalent.

  • Disconnect battery ground cable and cover negative terminal.
  • On 1990-92 Coupe, Quattro, 80/90 and 19...

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BRAKE SERVICE PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Hydraulic Brake Systems -> Diagnosis & Testing -> A4, S4 & TT -> A6 & S6 -> Brake Pressure Regulator -> Cabriolet
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

Brake Pressure Regulator

A4, S4 & TT

On these models there is no mechanical brake pressure regulator. Specially matched control module software controls brake pressure regulation.

A6 & S6

Brake pressure regulator is mounted on body (lefthand rear), and operated by a spring attached to the rear axle. Prior to inspection, ensure system is properly bled and filled.

  • Firmly depress brake pedal once, with vehicle on ground.
  • Release pedal suddenly and ensure lever on pressure regulator moves.
Cabriolet

Brake pressure regulator is mounted on righthand rear of body and operated by spring att...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Audi -> Component Locations -> 1991-05 2.8L V6
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

Refer to Fig...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

  • Remove wheel cover and drive axle bolt in hub.
  • Pull speed sensor slightly out of housing, then remove drive axle flange to transaxle mounting bolts.
  • Press drive axle upward toward front of ve...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Alternator, Replace
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

  • Obtain radio anti-theft protection code.
  • Remove serpentine drive belt, Fig. , then disconnect electrical connections from alternator.
  • Remove alternator mounting bolts an...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Cabin Air Filter Service -> Audi -> 1998-2004 A6, Allroad, RS6, S6 & 2000-06 TT
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

On 1998-2000 models, the cabin air filter should be replaced every 15,000 miles.

On 2001-03 models, the cabin air filter should be replaced every 20,000 miles.

On 2004-07 models, the cabin air filter should be replaced at 15,000 miles, then every 20,000 miles.

  • Open the hood.
  • Remove the plenum chamber cover.
  • Release the cabin air filter retaining tab ca...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Audi -> Service Indicator Lamp -> 1998-2004 -> Less Scan Tool -> With Scan Tool
Vehicle: 1998 Audi A6 Quattro 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 1998 Audi A6 Quattro AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 Audi A6 Quattro 2.8 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 proce...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Serpentine Drive Belt, Replace -> Version A -> Version B
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

Mark direction of belt travel before removing, using a crayon or marker. Reinstalling a used belt in opposite direction could damage belt.

Version A

  • Remove drive belt guard.
  • Loosen drive belt tensioner using 15mm wrench and drift 3204 or equivalent,...

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COMPONENT LOCATION DIAGRAMS FOR 1998 Audi A6 Quattro AUTOMOBILES

Component location diagrams for most 1998 Audi A6 Quattro cars and light trucks sold in the U.S. from 1990+.

Fuel & Emissions Systems Component Locations Diagram for 1998 Audi A6 Quattro  2.8 V6 GASFuel & Emissions Systems Component Locations Diagram for 1998 Audi A6 Quattro 2.8 V6 GAS

Components on diagram:
  • Throttle Position Sensor
  • Speedometer Vehicle Speed Sensor
  • Battery
  • Starter
  • Oil Pressure Switch
  • Anit-Lock Brake Systems Component Locations Diagram for 1998 Audi A6 Quattro  2.8 V6 GASAnit-Lock Brake Systems Component Locations Diagram for 1998 Audi A6 Quattro 2.8 V6 GAS

    Components on diagram:
  • Left Hand Front ABS Wheel Speed Sensor
  • Left Hand Rear ABS Wheel Speed Sensor
  • Right Hand Front ABS Wheel Speed Sensor
  • Right Hand Rear ABS Wheel Speed Sensor
  • Connector G-44
  • CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1998 Audi A6 Quattro AUTOMOBILES

    OEM drawn wiring diagrams for most 1998 Audi A6 Quattro cars and light trucks sold in the U.S.

    1998 Audi A6 Quattro  2.8 V6 GAS Wiring Diagram1998 Audi A6 Quattro 2.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Load Reduction Relay
  • Fuel Pump Relay
  • Wiper/Washer Intermittent Relay
  • 1998 Audi A6 Quattro  2.8 V6 GAS Wiring Diagram1998 Audi A6 Quattro 2.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Brake Light Switch
  • CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1998 Audi A6 Quattro AUTOMOBILES

    OEM TSB listings for most 1998 Audi A6 Quattro cars and light trucks sold in the U.S. from 1985+.

    Document: AIRBAG, REPLACEMENT INTERVAL CHANGE - REVISED
    Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags
  • Document: AIRBAG / PYROTECHNIC SAFETY BELT DEPLOYMENT INQUIRIES - REVISED
    Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

    Auto Systems:
  • Seats, Belts, Interior Trim, Carpets, Air Bags
  • CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1998 Audi A6 Quattro AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 Audi A6 Quattro 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 1998 Audi A6 Quattro 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 1998 Audi A6 Quattro 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 1998 Audi A6 Quattro 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

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro SPECIFICATIONS DATA!

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    $37.50

    Click here to view more details2002 Audi A6 Quattro Avant V6, 2.7 L, 2671 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

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