Audi A4 (B9) Forum

737 topics in this forum

1. • 

   Brake servo restricted 1 2 3 4 26

   By Stevie84, August 4, 2019
   • • 
   • 640 replies
   • 318.1k views
   • 
   • Sid2020
   • February 16

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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
   • 8.6k views
   • 
   • Steve Q
   • June 9, 2023
4. • 

   Audi A4 b9 Avant load guard fitting guide

   By Steve Q, April 20, 2022
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   • 0 replies
   • 3.3k views
   • 
   • Steve Q
   • April 20, 2022
5. • 

   2019 A4 Wired Car Play worked, but now does not.

   By HeadlessChicken, October 23, 2024
   • • 
   • 4 replies
   • 692 views
   • 
   • spartacus 68
   • Thursday at 08:08 AM
6. • 

   Changing rear 12v socket to always on

   By PropPlanePat, Tuesday at 08:31 PM
   • • 
   • 4 replies
   • 145 views
   • 
   • PropPlanePat
   • Wednesday at 10:25 AM
7. • 

   Not Cranking No Start

   By Scurge_uk, March 8
   • • 
   • 16 replies
   • 393 views
   • 
   • Scurge_uk
   • March 22

9. 2018 TFSI Quattro does it have a MAF Sensor?

   By 9582djk, March 18
   • 0 replies
   • 114 views
   • 
   • 9582djk
   • March 18
10. • 

    AC COMPRESSOR DOESNT WORK

    By emilio melo, March 13
    • • 
    • 1 reply
    • 202 views
    • 
    • Steve Q
    • March 14

11. Audi A4 B9 blower issue

    By Mja98, March 9
    • 1 reply
    • 192 views
    • 
    • spartacus 68
    • March 9

12. wipers not working

    By Paul68, March 8
    • 4 replies
    • 123 views
    • 
    • Paul68
    • March 8
14. • 

    Adblue Fault P20E8 & P208C

    By Cb1992, February 17
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    • 2 replies
    • 340 views
    • 
    • dorsborne
    • March 7
15. • 

    2.0 TDI rattle sound

    By Kvint, November 2, 2024
    • • 
    • 9 replies
    • 1.2k views
    • 
    • cliffcoggin
    • March 6

16. Buy used car, oil sweat (?)

    By PelleNor, March 5
    • 4 replies
    • 191 views
    • 
    • spartacus 68
    • March 6

17. Humming noise when steering Audi A5 2021

    By Michael 3004, March 5
    • 0 replies
    • 116 views
    • 
    • Michael 3004
    • March 5
18. • 

    Changing MTF oil

    By KaysAudiB9, September 15, 2023
    • • 
    • 5 replies
    • 7.3k views
    • 
    • Michael 3004
    • March 1

19. ambient air temperature sensor circuit

    By Audiline7, September 18, 2022
    • 1 reply
    • 4.6k views
    • 
    • Sapper
    • February 27
20. • 

    Clicking noise when full lock

    By arunc_88, September 19, 2024
    • • 
    • 5 replies
    • 889 views
    • 
    • Karol3dd
    • February 22
21. • 

    Wanting to lower an Avant Quattro has anyone done it?

    By 9582djk, February 22
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    • 1 reply
    • 102 views
    • 
    • Steve Q
    • February 22
22. • 

    A4 Avant buying advise

    By Ninja, February 15
    • • 
    • 16 replies
    • 856 views
    • 
    • Stevey Y
    • February 22

23. OMG what a day

    By stevewah, February 21
    • 0 replies
    • 177 views
    • 
    • stevewah
    • February 21
24. • 

    Oil leaking from manufactured hole in engine block

    By James Goddard, February 17
    • • 
    • 11 replies
    • 707 views
    • 
    • cliffcoggin
    • February 21
25. • 

    HELP - heater core replacement 1 2 3

    By RE001, September 9, 2023
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    • 58 replies
    • 14.1k views
    • 
    • Ivan Drago
    • February 18

26. 2018 45 TFSI Quattro is it Chain or Cambelt?

    By 9582djk, February 18
    • 2 replies
    • 223 views
    • 
    • 9582djk
    • February 18
27. • 

    Child locks

    By Insignia2, February 17
    • • 
    • 2 replies
    • 198 views
    • 
    • Insignia2
    • February 17
28. • 

    Rear washer not working

    By Dennis Gallagher, June 2, 2024
    • • 
    • 9 replies
    • 3.6k views
    • 
    • Magnet
    • February 17