1986 Audi 4000 Service and Repair Manual

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Covers all 1986 4000 trims — S Sedan 2-Door, S Sedan 4-Door ·
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1986 Audi 4000 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

  • S Sedan 2-Door
  • S Sedan 4-Door

Engines covered

  • 1.8L 1781CC l4 GAS SOHC Naturally Aspirated
  • 2.2L 2226CC l5 GAS 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
NHTSA #86V11300018/08/1986Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

REAR OR FRONT RIGHT SEAT BELT LOCKS MAY NOT PROPERLY ENGAGE.

Remedy

REPLACE SEAT BELTS, AS NECESSARY.

No service bulletins No technical service bulletins on file with NHTSA for the 1986 Audi 4000.
20020604Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported

WHILE DRIVING ACCELERATOR PAD STUCK TO THE FLOOR, COULDN'T STOP VEHICLE , AND HIT A TREE.*AK

19960624Component: VEHICLE SPEED CONTROLCrash reported

WIFE PARKED VEHICLE, PUT IN PARKED, VEHICLE STILL RUNNING, TRIED TO REMOVE KEY, VEHICLE STARTED ROLLING BACKWARDS, VEHICLE HIT TREE, STOPPED ON ITS OWN. *AK

19950707Component: VEHICLE SPEED CONTROLCrash reported

DEFECTIVE IDLE STABILIZER CAUSED VEHICLE TO ACCELERATE BY ITSELF, RESULTING IN LOSS OF CONTROL/ACCIDENT PRIOR TO RECALL (87V-069). *AK

19980310Component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

THE DIFFERENTIAL GREASE HAS EVAPORATED AND THERE IS APPARENT DAMAGE TO THE BEARINGS AND GEARS. AUDI CLAIMS THIS VIN DOES NOT FALL UNDER CAMPAIGN #93V006000.

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