2018 Audi A5 Service and Repair Manual

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Factory-Grade Data

2018 Audi A5 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

  • Prestige Sedan 4-Door
  • Select Hatchback 4-Door
  • Premium Sedan 4-Door
  • S Line Coupe 2-Door
  • Premium Plus Sedan 4-Door
  • S Line Hatchback 4-Door
  • Premium Convertible 2-Door
  • Select Coupe 2-Door

Engines covered

  • --
  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged

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

2018 Audi A5 Recalls & Complaints

NHTSA #18V83600027/11/2018Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi A5 Sportback and 2017-2018 Audi A4 Allroad vehicles. A passenger air bag module mounting screw may not have been sufficie

Consequence

If the air bag does not deploy correctly in the event of a crash, it can increase the risk of an inj

Remedy

Volkswagen will notify owners, and dealers will inspect the air bag mounting screw, tightening or re

NHTSA #19V54700024/07/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4

Consequence

A disabled passenger air bag increases the risk of injury in the event of a crash.

Remedy

Audi will notify owners, and dealers will install cable ties to the harness, free of charge. The re

NHTSA #18V89300017/12/2018Component: SUSPENSION:FRONT

Volkswagen Group of North America (Volkswagen) is recalling certain 2018 Audi A5 Sportback vehicles. The front suspension fasteners may not have been sufficiently tightened during vehicle production,

Consequence

A loose front wheel may increasing the risk of a crash.

Remedy

Volkswagen has notified owners, and dealers will inspect the front suspension fasteners, and replace

NHTSA #21V87400010/11/2021Component: SEATS

Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabr

Consequence

A disabled passenger air bag increases the risk of injury in the event of a crash.

Remedy

Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of c

TSB #11032165

This bulletin provides informaiotn when the starter battery is discharged or defective.

TSB #11032137

This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool

TSB #11032131

This bulletin provides diagnostic information for the vehicle locking system.

TSB #11031064

This Reporting obligation requests that technicians contact the Technical Assistance Center (TAC) when the diagnostic tester refers to this reportin gobligation or to TPI 2033392.

TSB #11031053

This bulletin provides informaiton regarding the Universal Traffic Recorder.

TSB #11031051

This bulletin provides informaiotn about various infortainment system complaints.

TSB #11031048

This TSB provides information when there is moisture in footwell, damp smell in passenger compartment.

TSB #11031040

This bulletin provides informaito when Apple CarPlay/Android Auto does not react to touch inputs.

Showing the 8 most recent of 1022 technical service bulletins on file with NHTSA.

20210606Component: EXTERIOR LIGHTINGCrash reported

On the dark evening of 23 January 2021 a deer from the side of the Ohio Turnpike came onto the edge of my lane of roadway, did a Uturn and kicked the front fascia of my car. I slowed but couldn’t av

20170620Component: UNKNOWN OR OTHERCrash reported

CAR WAS IN PARK WITH EMERGENCY BRAKE LIGHT ON. WHEELS TURNED TO THE RIGHT AND TIGHT TO THE CURB. SOMEHOW THE CAR ROLLED DOWN HILL AND STRUCK A TREE. THE VEHICLE WAS TOTALED. THE POLICE TOOK PICTURES

20221003Component: VISIBILITY:SUN/MOON ROOF ASSEMBLY1 injured

Malfunctioning sunroof: I was the only vehicle on a flat paved road, partly cloudy skies and 65°. I had issues last summer, where when the sunroof was in the tilted position, it would not close secur

20200928Component: STRUCTURE:BODY1 injured

THE ELECTRONIC TRUNK OF MY AUDI A5 FAILED TO STOP CLOSING ONCE IT HIT ME ON THE HEAD. THE HATCH KEPT CLOSING IN UNTIL I WAS ABLE TO MOVE MY BODY OUT OF THE WAY HOWEVER AT THIS POINT THE HATCH ALREADY

20200928Component: UNKNOWN OR OTHER1 injured

THE ELECTRONIC TRUNK OF MY AUDI A5 FAILED TO STOP CLOSING ONCE IT HIT ME ON THE HEAD. THE HATCH KEPT CLOSING IN UNTIL I WAS ABLE TO MOVE MY BODY OUT OF THE WAY HOWEVER AT THIS POINT THE HATCH ALREADY

Showing the 5 most serious of 46 complaints filed with NHTSA.

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