2018 Audi A3 Quattro Service & Repair Manual

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The service and repair manual for the 2018 Audi A3 Quattro — the 2.0L I4 engine, 12 trims. Matched to this exact model year, so the specifications and sequences are the ones Audi published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2018
Engines
2.0L I4 — 121 cu in, DOHC, turbocharged
TrimsPrestige Sedan 4-Door · Premium Sedan 4-Door · Premium Plus Convertible 2-Door · Progressiv Sedan 4-Door · Prestige Convertible 2-Door · Premium Plus Sedan 4-Door +6
Other 2018 A3 Quattro variantsA3 →
Federal record2 recalls · 46 complaints · 629 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2018 A3 Quattro manual

2018 Audi A3 Quattro service manual page 12018 Audi A3 Quattro service manual page 22018 Audi A3 Quattro service manual page 32018 Audi A3 Quattro service manual page 42018 Audi A3 Quattro service manual page 52018 Audi A3 Quattro service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 125
  • General Information 2,591
  • Accessories & Equipment 4,057
  • Heating, Ventilation & A/C (HVAC) 1,602
  • Body & Frame 2,466
  • Maintenance 293
  • Brakes 444
  • Restraints 444
  • Drivelines & Axles 214
  • Steering 174
  • Axle Shafts 48
  • Electrical 705
  • Suspension 870
  • Engine Mechanical 691
  • Transmission 609
  • Engine Performance 2,083

04 / Known issuesRecalls on federal record for the 2018 A3 Quattro

  1. Air Bags — sensor › occupant classification › front passenger · 21V198000
    A deactivated passenger air bag increases the risk of injury during a crash.
  2. Fuel System, Gasoline · 24V110000
    A fuel leak in the presence of an ignition source increases the risk of a fire.

Owners have filed 46 complaints and Audi has issued 629 technical service bulletins for the 2018 A3 Quattro. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2018 A3 Quattro manual

Is this manual specific to the 2018 A3 Quattro?

Yes. It is the OEM manual matched to the 2018 model year, covering the 2.0L I4 across the Prestige Sedan 4-Door, Premium Sedan 4-Door, Premium Plus Convertible 2-Door, Progressiv Sedan 4-Door, Prestige Convertible 2-Door, Premium Plus Sedan 4-Door, Komfort Convertible 2-Door, Progressiv Convertible 2-Door, Premium Convertible 2-Door, Technik Sedan 4-Door, Technik Convertible 2-Door, Komfort Sedan 4-Door trims. Specifications and procedure sequences are the ones Audi published for this year.

What 2018 A3 Quattro problems does it help with?

2 recalls are on federal record for the 2018 A3 Quattro, covering air bags, fuel system, gasoline. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Audi dealers.

Does it include 2018 A3 Quattro wiring diagrams?

Yes — the complete wiring diagrams for the 2018 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

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