1990 Audi 80 Service and Repair Manual

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Factory-Grade Data

1990 Audi 80 service and repair manual a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What's included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Sedan 4-Door

Engines covered

  • 2.0L 1984CC 121Cu. In. l4 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

1990 Audi 80 Recalls & Complaints

NHTSA #93V00600011/01/1993Component: POWER TRAIN:AXLE ASSEMBLY

THE DIFFERENTIAL OIL OF THE TRANSAXLE IS LOST OVER TIME DUE TO EVAPORATION. LOW OIL LEVELS CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENTIAL.

Consequence

IN THE EVENT OF FAILURE, THE VEHICLE'S DRIVE WHEELS COULDLOSE POWER. IN EXTREME CIRCUMSTANCES, THE F

Remedy

DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.

NHTSA #90V07000010/04/1990Component: STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE

IMPROPERLY MANUFACTURED STEERING LOCK BOLTS COULD BREAK IF DRIVER APPLIES EXCESSIVE FORCE TO A LOCKED STEERING WHEEL IN AN ATTEMPT TO DISENGAGE THE STEERING LOCK.

Consequence

BOLT BREAKAGE WOULD CAUSE STEERING WHEEL TO REMAIN LOCKED EVEN AFTER THE DRIVER TURNS THE IGNITION K

Remedy

REPLACE COMPLETE STEERING LOCK ASSEMBLY, INCLUDING A MODIFIED LOCK BOLT.

NHTSA #97V17200006/10/1997Component: AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE

VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.

Consequence

IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY.

Remedy

DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.

No service bulletins No technical service bulletins on file with NHTSA for the 1990 Audi 80.
19970717Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERYCrash reported1 injured

THE BATTERY DIED, CALLED AAA AND HAD THE BATTERY RECHARGED. THEN TURNED THE IGNITION ON AND THE DRIVER'S SIDE AIRBAG DEPLOYED, AND THREW THE CONSUMER MORE THAN 5 FEET AWAY INTO A BRICK WALL. *AK TH

19970717Component: AIR BAGS:FRONTALCrash reported1 injured

THE BATTERY DIED, CALLED AAA AND HAD THE BATTERY RECHARGED. THEN TURNED THE IGNITION ON AND THE DRIVER'S SIDE AIRBAG DEPLOYED, AND THREW THE CONSUMER MORE THAN 5 FEET AWAY INTO A BRICK WALL. *AK TH

20040831Component: POWER TRAIN

WHILE DRIVING AT 55 MPH THE FRONT WHEELS LOCKED WITHOUT WARNING. THE DEALER STATED THAT THE TRANSAXLE SEIZED. *AK *NM

20030123Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL

THERE IS LEAKAGE IN SEAL OF THE FRONT AXLE SHAFT. I FEAR THAT IF IT CONTINUES THEN IT COULD CAUSE A BIG STEERING FAILURE

20030123Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

THERE IS LEAKAGE IN SEAL OF THE FRONT AXLE SHAFT. I FEAR THAT IF IT CONTINUES THEN IT COULD CAUSE A BIG STEERING FAILURE

Showing the 5 most serious of 12 complaints filed with NHTSA.

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