2018 Audi A3 1.4 TFSI — Workshop Manual

Key specs

Fuel

Petrol

Engine

1.4 TFSI (EA211) 148 PS

Drivetrain

Front-wheel drive

Transmission

6-speed manual or 7-speed S-Tronic

MPG (combined, UK)

55 mpg

Common faults

• Coil pack misfire

  £40–£120

  Symptom: Rough idle, EPC light, P0301-P0304

  Fix: Replace failed coil; consider full set if mileage > 60k

• Water pump leak

  £250–£400

  Symptom: Coolant loss, sweet smell, low-level warning

  Fix: Replace plastic-impeller water pump with revised metal-impeller unit

• S-Tronic mechatronic jerk

  £180 service / £900 reseal

  Symptom: Jerky low-speed shifts, kangaroo on take-off

  Fix: DSG oil & filter service every 40k; mechatronic reseal if persistent

• Carbon build-up on inlet valves

  £300–£450

  Symptom: Hesitation, misfire, poor MPG above 60k miles

  Fix: Walnut-blast intake valves

Service intervals

Interactive component diagrams

Tap a component on any diagram below to broadcast a one-tap quote request to our verified UK breaker network for that exact part.

OEM parts reference

• Oil filter element04E115561H

  EA211 1.2/1.4 TFSI shared

• Ignition coil04E905110G

  Bosch pattern 0986221124

• Water pump04E121600BD

  Revised metal-impeller revision

• Air filter04E129620

DIY tips

• Use a VCDS scan tool to read soft DTCs before driving — many EA211 faults log without lighting the EML.
• Top up coolant only with G13 (purple); G12++ is acceptable but never mix with G11.

Known issues, recalls & fixes (7)

Pulled from NHTSA recalls and our proprietary fault database for Audi A3. Use these to cross-check symptoms before ordering parts.

• recallNHTSA_Recalls
  COLUMBUS CAR AUDIO - VISIBILITY:SUN/MOON ROOF ASSEMBLY
  Component: VISIBILITY:SUN/MOON ROOF ASSEMBLY

  WEBASTO PRODUCT NORTH AMERICA, INC. (WEBASTO) IS RECALLING CERTAIN HOLLANDIA 700 AND 600 SERIES AND HOLLANDIA TVS 900 SERIES SUNROOFS INSTALLED AS ORIGINAL EQUIPMENT BY COLUMBUS CAR AUDIO ON VARIOUS PASSENGER VEHICLES. THE ADHESIVE BOND BETWEEN THE GLASS AND THE METAL FRAME CAN DEBOND INCREASING THE RISK THAT THE SUNROOF GLASS WOULD SEPARATE FROM THE VEHICLE. COMPLETE GLASS-TO-FRAME DEBONDING CAN DEVELOP GRADUALLY AND MAY BE EVIDENCED BY METAL CORROSION AROUND THE SUNROOF FRAME, WIND NOISE, VIBRATION, VISUAL BOND SEPARATION AND/OR WATER LEAKAGE.

  Fix: WEBASTO, THE MANUFACTURER OF THE SUNROOFS, WILL BE PERFORMING THE SAFETY RECALL CAMPAIGN. OWNERS WHO HAVE BEEN IDENTIFIED AS HAVING AN AFFECTED SUNROOF INSTALLED IN THEIR VEHICLE WILL RECEIVE A SAFETY RECALL NOTICE FROM WEBASTO. THE SAFETY RECALL BEGAN ON OCTOBER 8, 2010. IN ORDER TO DETERMINE IF YOUR VEHICLE IS AFFECTED, PLEASE REVIEW THE LIST OF VEHICLES PROVIDED TO US BY AUTO DETAILER BY CLICKING ON THE HYPERLINK AFFECTED VEHICLE LIST OR YOU MAY VISIT WEBASTO?S WEBSITE AT HTTP://WWW.SUNROOFCHECK.COM. YOU CAN ALSO CALL WEBASTO TOLL-FREE AT 1-888-749-8632.

• recallNHTSA_Recalls
  EXTREME CAR AUDIO - VISIBILITY:SUN/MOON ROOF ASSEMBLY
  Component: VISIBILITY:SUN/MOON ROOF ASSEMBLY

  WEBASTO PRODUCT NORTH AMERICA, INC. (WEBASTO) IS RECALLING CERTAIN HOLLANDIA 700 AND 600 SERIES AND HOLLANDIA TVS 900 SERIES SUNROOFS INSTALLED AS ORIGINAL EQUIPMENT BY EXTREME CAR AUDIO ON VARIOUS PASSENGER VEHICLES. THE ADHESIVE BOND BETWEEN THE GLASS AND THE METAL FRAME CAN DEBOND INCREASING THE RISK THAT THE SUNROOF GLASS WOULD SEPARATE FROM THE VEHICLE. COMPLETE GLASS-TO-FRAME DEBONDING CAN DEVELOP GRADUALLY AND MAY BE EVIDENCED BY METAL CORROSION AROUND THE SUNROOF FRAME, WIND NOISE, VIBRATION, VISUAL BOND SEPARATION AND/OR WATER LEAKAGE.

  Fix: WEBASTO, THE MANUFACTURER OF THE SUNROOFS, WILL BE PERFORMING THE SAFETY RECALL CAMPAIGN. OWNERS WHO HAVE BEEN IDENTIFIED AS HAVING AN AFFECTED SUNROOF INSTALLED IN THEIR VEHICLE WILL RECEIVE A SAFETY RECALL NOTICE FROM WEBASTO. THE SAFETY RECALL BEGAN ON OCTOBER 8, 2010. IN ORDER TO DETERMINE IF YOUR VEHICLE IS AFFECTED, PLEASE REVIEW THE LIST OF VEHICLES PROVIDED TO US BY EXTREME CAR AUDIO BY CLICKING ON THE HYPERLINK <a href=http://www-odi.nhtsa.dot.gov/acms/docservlet/Artemis/Public/Recalls/2011/V/RCORRD-11V381-7676.pdf>AFFECTED VEHICLE LIST</a> OR YOU MAY VISIT WEBASTO'S WEBSITE AT <a href=http://www.sunroofcheck.com> WWW.SUNROOFCHECK.COM</a>. YOU CAN ALSO CALL WEBASTO TOLL-FREE AT 1-888-749-8632.

• repair_manualMyFixit
  Audi Navigation Plus CD-ROM Drive Lens Cleaning

  use the flat edge of a metal spudger and/or a flat head screwdriver to pry open the top cover . when closing the cover , make sure the cover is completely locked as shown in the third picture . | remove one gold colored phillips screw located in the center . | it is advisable to grab an old cd and push it half way into the cd-rom drive until it is visible through the hole marked in the first picture . this will prevent the part that has to be removed in this step to fall down into the unit , wit

  Source reference
• repair_manualMyFixit
  Disassembling Audi Navigation Plus unit
  Component: Navigation unit

  remove the three 6 mm t9 torx screws securing the cover plate . slightly loosen the rubber knob since it pushes down on the cover plate . slide the cover plate about 1 or 2 mm upwards and remove it from the unit . | use a spudger to disconnect the cable connecting the gps with the radio unit . | remove two 6 mm t9 torx screws from the left side of the unit . remove two 6 mm t9 torx screws from the right side of the unit . the gps/cd-rom unit can now be separated from the radio . | use the flat e

  Source reference
• repair_manualMyFixit
  2000-2005 Audi A4 Headlight Replacement (via Headlight Assembly Removal)
  Component: Headlight

  acquire replacement light bulb ( s ) along with a bit-socket screwdriver and a hex star bit . the light bulb should be a 12 volt , 55 watt , h7-style bulb . the screwdriver can be substitited with a long allen wrench in a pinch , but this is not recommended . also , get a decent flashlight if you can . | pop the hood , and locate the screws holding the headlight assembly in place . there are two plainly visible , shown on left , and another hidden deeper down . don't remove these screws just yet

  Source reference
• repair_manualMyFixit
  AUX Audio Input Repair for 2009-2013 Toyota Corolla

  don't be afraid to use extra force to get these components to open . 1 ) there is two side of the component to remove for the first picture before removing component in the third picture , there are two screws to be removed ( one on each side ) . | pull the component out in the first picture with force ! reach underneath the white component connected to wire and along there , push to remove it from the aux component ( black rectangle thing ) once the white component detached , simply push aux co

  Source reference
• repair_manualMyFixit
  2000-2006 Audi A4 (B6) Radiator Replacement
  Component: Radiator

  insert wisdom here . | insert wisdom here .

  Source reference