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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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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

    Orifice Tube/Expansion Valve Locations -> Imported Cars & Light Trucks & Vans -> 1998-2000
    Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

    Anti-lock Brakes -> System Service -> A4 & S4 -> A4, A6, S4 & S6 -> A6 & S6 -> A6, Cabriolet & S6 -> A8 -> Brake System Bleed -> Cabriolet -> Component Replacement -> Electronic Control Unit -> Front Wheel Speed Sensors -> Hydraulic Control Unit -> Hydraulic Control Unit Mounting Bracket -> Rear Wheel Speed Sensors -> TT
    Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

    Brake System Bleed

    Refer to "Hydraulic Brake System" for procedures.

    Component Replacement

    Electronic Control Unit
    A4, A6, S4 & S6

    The electronic control unit is located beneath the lefthand side of the rear seat.

    • Turn ignition Off.
    • Remove rear seat.
    • Remove spring retaining electrical connector, then disconnect electrical connector.
    • Remove screws securing control unit.
    • Reverse procedure to install.
    A8
    • Remove lower slot cover from between knee bolster and lower column cover.
    • Remove knee bolster.
    • Remove ABS control module.
    • Disconnect ABS control module electrical harness connector.
    • Reverse procedure...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

    Audi -> Fuel Filter Scheduled Maintenance -> All 1989-05 -> Normal Service -> Severe Service
    Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

    Normal Service

    Service as re...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro FUEL FILTER REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Audi A6 Quattro AUTOMOBILES

    Audi -> Brake Pad Wear Indicator Lamp ->
    Vehicle: 1998 Audi A6 Quattro 2.8 V6 GAS

    The brake pad wear warning lamp will be illuminated when disc brake pads wear d...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro MAINTENANCE LAMP RESET PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro RADIATOR & HOSE REPLACEMENT PROCEDURES

    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,...

    CLICK HERE TO GET FULL ACCESS TO 1998 Audi A6 Quattro SERPENTINE BELT SERVICE PROCEDURES

    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+.

    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
  • Windows, Door Locks, Shift & Latch Actuators Diagram for 1998 Audi A6 Quattro  2.8 V6 GASWindows, Door Locks, Shift & Latch Actuators Diagram for 1998 Audi A6 Quattro 2.8 V6 GAS

    Components on diagram:
  • Shift Lock Solenoid
  • Cruise Control Vacuum Pump
  • Left Hand Window Motor
  • Left Hand Rear Window Motor
  • Right Hand Rear Window Motor
  • 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:
  • Instrument Panel
  • Left Headlight
  • Right Headlight
  • 1998 Audi A6 Quattro  2.8 V6 GAS Wiring Diagram1998 Audi A6 Quattro 2.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Ignition Coil
  • Intake Air Temperature Sensor
  • Motronic Engine Control Module
  • Cylinder 1
  • Cylinder 5
  • 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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