Audi A4 (B9) Forum

759 topics in this forum

1. • 

   Brake servo restricted 1 2 3 4 27

   By Stevie84, August 4, 2019
   • • 
   • 661 replies
   • 344.4k views
   • 
   • kh904
   • June 7

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3. • 

   A4 allroad Retrofit genuine Audi Swivel/Retracting towbar A4 B9 and All-Road

   By Steve Q, April 18, 2022
   • • 
   • 6 replies
   • 9.3k views
   • 
   • Steve Q
   • June 9, 2023
4. • 

   Audi A4 b9 Avant load guard fitting guide

   By Steve Q, April 20, 2022
   • • 
   • 0 replies
   • 3.5k views
   • 
   • Steve Q
   • April 20, 2022

5. A4 B9 recirculation flap motor issue

   By Mark9918, August 4, 2022
   • 12 replies
   • 11.6k views
   • 
   • figo_rulz11
   • Wednesday at 07:18 PM
6. • 

   B9 Battery voltage 1 2

   By Reavley, April 21
   • • 
   • 32 replies
   • 1.2k views
   • 
   • Reavley
   • Wednesday at 06:46 PM

7. Alloy Paint Code

   By Sparky001, Tuesday at 03:43 PM
   • 1 reply
   • 89 views
   • 
   • spartacus 68
   • Tuesday at 09:18 PM
9. • 

   Tyre wear on car

   By Maxwell B, Monday at 09:27 PM
   • • 
   • 2 replies
   • 93 views
   • 
   • Magnet
   • Tuesday at 08:03 AM
10. • 

    1.4 tfsi Clutch high and occasional squeal

    By Redred, May 15
    • • 
    • 7 replies
    • 331 views
    • 
    • cliffcoggin
    • June 3

11. Cold air to footwell and back passenger vents A4 B9

    By Vytas, November 21, 2024
    • 1 reply
    • 665 views
    • 
    • Rodney79
    • June 3
12. • 

    Cold air blowing at feet but warm at all other vents

    By Rodney79, May 9
    • • 
    • 3 replies
    • 197 views
    • 
    • Rodney79
    • June 3

14. Sound coming from Vacuum/Oil pump? Or bad belt tensioner?

    By LinasO, January 5   

    • oil pump
    • vacuum
    • (and 3 more)

      Tagged with:

      • oil pump
      • vacuum
      • tensioner
      • noise
      • grinding
    • 6 replies
    • 747 views
    • 
    • raiz
    • May 28
15. • 

    2021 A4 - Rotational Noise (Not Balancing)

    By mt1982sheff, May 23
    • • 
    • 3 replies
    • 176 views
    • 
    • cliffcoggin
    • May 24
16. • 

    2009 Audi A4 Suspension Issue – Bought from Dealer

    By Mark Valley, April 10
    • • 
    • 16 replies
    • 770 views
    • 
    • Mark Valley
    • May 22
17. • 

    Where to get spare parts

    By StuartT, May 20
    • • 
    • 3 replies
    • 169 views
    • 
    • Steve Q
    • May 20

18. Efficiency mode display

    By Horrgakx, October 30, 2017
    • 3 replies
    • 3.4k views
    • 
    • bantamdave21
    • May 17
19. • 

    A4 Avant B9 buying questions

    By bill_face, May 13   

    • specs
    • trim
    • • 
    • 5 replies
    • 352 views
    • 
    • Steve Q
    • May 17

20. A4 fuse and relay pulling as anti-theft measure

    By refa, May 15
    • 0 replies
    • 103 views
    • 
    • refa
    • May 15

21. Space saver for 2021 Allroad

    By Jerbear, May 14
    • 2 replies
    • 176 views
    • 
    • Jerbear
    • May 15
22. • 

    reverse camera intermittent blue screen on A4 Allroad 2021

    By rookiediver, May 10, 2024
    • • 
    • 7 replies
    • 1k views
    • 
    • rookiediver
    • May 14

23. Front Grill S Line Badge

    By Das, May 13   

    • grill
    • sline
    • 0 replies
    • 151 views
    • 
    • Das
    • May 13
24. • 

    tyre replacement AUDI A4 Avant (2019) spare tyre question 1 2

    By Steve335, January 3, 2020   

    • audi
    • a4
    • (and 6 more)

      Tagged with:

      • audi
      • a4
      • avant
      • 2019
      • tyres
      • space saver
      • spare tyres
      • sparewheel
    • • 
    • 27 replies
    • 29.9k views
    • 
    • Jerbear
    • May 11

25. Paint code

    By Das, May 5
    • 2 replies
    • 220 views
    • 
    • Das
    • May 6

26. Water ingress in to A4 Avant boot lid

    By ACel, January 2
    • 11 replies
    • 1.4k views
    • 
    • spartacus 68
    • May 4

27. 40 TFSI Avant - what mpg to expect?

    By Mr Bump, April 1
    • 1 reply
    • 344 views
    • 
    • Martyn W
    • April 30
28. • 

    How to source a clutch kit for Audi A4 B9 1.4 TFSI

    By Matthew12106, April 18
    • • 
    • 7 replies
    • 646 views
    • 
    • Sid2020
    • April 21