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

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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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

Audi -> Component Replacement & Adjustment -> Thermostat, Replace -> 2.8L Engine -> 3.7L & 4.2L Engines
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

2.8L Engine
  • Release tension of timing belt as outlined under "Timing Belt, Replace."
  • Remove coolant thermostat housing bolts, then lift up slack of timing belt and slide out thermostat and housing.
  • Reverse procedure to install, ensure thermostat vent valve face...

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BRAKE SERVICE PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Disc Brakes -> Single Piston Rear Disc Brakes -> Caliper Service -> Overhaul
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

Overhaul

Refer to Fig. when servicing front disc brake calipers, noting the following:

  • Remove piston from caliper housing using replacement tool No. 3272, or equivalent, Fig. .
  • Remove caliper piston seal using a suitable screwdriver, Fig. .
  • Install piston as follows:
    • Install protective cap with sealing lip onto piston, Fig. .
    • Insert inner sealing lip of protective cap into groove in brake caliper housing using a suitable screwdriver, F...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

Audi -> Fuel Filter Replacement -> Gasoline Engines -> Removal & Installation
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Obtain the vehicle owner's radio theft protection code, then disconnect the battery ground cable. Briefly open fuel filler cap to relieve system pressure, then close it again.

After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.

Removal & Installation

On A4 and S4 mod...

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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

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

  • Remove alternator assembly.
  • Disconnect starter motor electrical connectors.
  • Raise and support vehicle.
  • On models equipped with automatic transaxle, proceed as follows:
    • Remove righthand front wheel as required.
    • Remove starter motor to transaxle housing attaching bolts.
    • Re...

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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 Reset Message -> 1996-2009 A6 & S6
Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

To reset service oil message on odometer display in speedometer, switch ignition to the off position. Press and hold trip odometer reset button (B)...

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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+.

Transmission Control Components Locations Diagram for 1998 Audi A6 Quattro  2.8 V6 GASTransmission Control Components Locations Diagram for 1998 Audi A6 Quattro 2.8 V6 GAS

Components on diagram:
  • Kick Down Switch
  • Multi-Function Transmission Range Switch
  • Tiptronic Switch
  • Connector F-8
  • Connector F-125
  • Control Module Component Locations Diagram for 1998 Audi A6 Quattro  2.8 V6 GASControl Module Component Locations Diagram for 1998 Audi A6 Quattro 2.8 V6 GAS

    Components on diagram:
  • Airbag Control Module
  • Rear Window Shade Control Module
  • Connector J-296
  • Left Hand Front Power Window Control Module
  • Right Hand Front Power Window Control Module
  • 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:
  • Heated Steering Wheel
  • 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
  • Load Reduction Relay
  • Airbag Control Module
  • Ignition/Starter 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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    Click here to view more details1998 Audi A6 Quattro V6, 2.8 L, 2771 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

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