2018 Audi S3 Service and Repair Manual

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Factory-Grade Data

2018 Audi S3 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
  • Base Sedan 4-Door
  • Progressiv Sedan 4-Door
  • Premium Plus Sedan 4-Door
  • Technik Sedan 4-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 S3 Recalls & Complaints

NHTSA #21V19800022/03/2021Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER

Volkswagen Group of America, Inc. (Audi) is recalling certain 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet vehicles. The passenger occupant d

Consequence

A deactivated passenger air bag increases the risk of injury during a crash.

Remedy

Dealers will replace the PODS sensor mat and update the PODS control module, free of charge. Owners

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 #11031040

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

TSB #11030992

This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.

Showing the 8 most recent of 617 technical service bulletins on file with NHTSA.

20241025Component: FUEL/PROPULSION SYSTEM

Having the same issue as the NHTSA Part 573 Safety Recall Report, 24V-110. And, similar to NHTSA 16V647 associated with the Audi Safety Recall 20Y5 - Suction Pump. Apparently there is no recall for m

20220608Component: POWER TRAIN

The car was put in Drive "D". As I roll out into traffic and start to accelerate, the car "bang" out of gear like it's in neutral, the revs climb, but the car doesn't accelerate and the "D" display d

20220607Component: AIR BAGS

Audi will not fix the problem.

20190109Component: FUEL/PROPULSION SYSTEM

A) AUDI OF CENTRAL HOUSTON SOLD US 2018 S3 ON AUG13, 2018 WITH: 1) DELAMINATING WINDSHIELD CREATING A MAJOR SAFETY HAZARD 2) DEFECTIVE WIPER FUNCTION NB: WINDSHIELD WAS REPLACEMENT ON DEC 31, 2019

20190109Component: VISIBILITY/WIPER

A) AUDI OF CENTRAL HOUSTON SOLD US 2018 S3 ON AUG13, 2018 WITH: 1) DELAMINATING WINDSHIELD CREATING A MAJOR SAFETY HAZARD 2) DEFECTIVE WIPER FUNCTION NB: WINDSHIELD WAS REPLACEMENT ON DEC 31, 2019

Showing the 5 most serious of 7 complaints filed with NHTSA.

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