Audi A4 (B9) Forum

736 topics in this forum

1. • 

   Brake servo restricted 1 2 3 4 26

   By Stevie84, August 4, 2019
   • • 
   • 640 replies
   • 316.4k 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
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   • 6 replies
   • 8.5k 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. • 

   Not Cranking No Start

   By Scurge_uk, March 8
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   • 16 replies
   • 345 views
   • 
   • Scurge_uk
   • Saturday at 07:50 PM

6. 2018 TFSI Quattro does it have a MAF Sensor?

   By 9582djk, March 18
   • 0 replies
   • 82 views
   • 
   • 9582djk
   • March 18
7. • 

   AC COMPRESSOR DOESNT WORK

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

9. Audi A4 B9 blower issue

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

10. wipers not working

    By Paul68, March 8
    • 4 replies
    • 99 views
    • 
    • Paul68
    • March 8
11. • 

    Adblue Fault P20E8 & P208C

    By Cb1992, February 17
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    • 2 replies
    • 303 views
    • 
    • dorsborne
    • March 7
12. • 

    2.0 TDI rattle sound

    By Kvint, November 2, 2024
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    • 9 replies
    • 1.1k views
    • 
    • cliffcoggin
    • March 6

14. Buy used car, oil sweat (?)

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

15. Humming noise when steering Audi A5 2021

    By Michael 3004, March 5
    • 0 replies
    • 102 views
    • 
    • Michael 3004
    • March 5
16. • 

    Changing MTF oil

    By KaysAudiB9, September 15, 2023
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    • 5 replies
    • 7.1k views
    • 
    • Michael 3004
    • March 1

17. ambient air temperature sensor circuit

    By Audiline7, September 18, 2022
    • 1 reply
    • 4.5k views
    • 
    • Sapper
    • February 27
18. • 

    Clicking noise when full lock

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

    Wanting to lower an Avant Quattro has anyone done it?

    By 9582djk, February 22
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    • 1 reply
    • 95 views
    • 
    • Steve Q
    • February 22
20. • 

    A4 Avant buying advise

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

21. OMG what a day

    By stevewah, February 21
    • 0 replies
    • 164 views
    • 
    • stevewah
    • February 21
22. • 

    Oil leaking from manufactured hole in engine block

    By James Goddard, February 17
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    • 11 replies
    • 626 views
    • 
    • cliffcoggin
    • February 21
23. • 

    HELP - heater core replacement 1 2 3

    By RE001, September 9, 2023
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    • 58 replies
    • 13.9k views
    • 
    • Ivan Drago
    • February 18

24. 2018 45 TFSI Quattro is it Chain or Cambelt?

    By 9582djk, February 18
    • 2 replies
    • 201 views
    • 
    • 9582djk
    • February 18
25. • 

    Child locks

    By Insignia2, February 17
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    • 2 replies
    • 179 views
    • 
    • Insignia2
    • February 17
26. • 

    Rear washer not working

    By Dennis Gallagher, June 2, 2024
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    • 9 replies
    • 3.5k views
    • 
    • Magnet
    • February 17

27. A4 b9 2020 ambient light problem

    By CoBrAcsb, February 16
    • 2 replies
    • 139 views
    • 
    • CoBrAcsb
    • February 17
28. • 

    COOLING FAN RUNNING ON FOR 10 MINUTES WHEN ENGINE STOPPED

    By Charles Wheatley, February 12
    • • 
    • 7 replies
    • 456 views
    • 
    • Hammie1982
    • February 16