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Forum: V8 4.0TT Specific

Discussion Forum relating specifically to the 4.0L twin-turbo V8 powered C7 S6, S7, RS 6 and RS 7.

  1. C7 S6 rear sport differential fluids

    Started by Jvyn, 07-09-2025 07:56 PM
    • Replies: 2
    • Views: 118
    Yesterday, 11:38 PM Go to last post
  2. C7 S6/S7 DL501 to ZF8 HP55 Swap Guide

    Started by Audibellybutton, 01-01-2025 08:50 PM
    2 Pages
    1 2
    • Replies: 54
    • Views: 9,142
    07-09-2025, 01:39 PM Go to last post
  3. Carbon ceramic brake pads AUDI RS7 Performance 2016

    Started by Sla, 11-22-2023 12:07 PM
    • Replies: 15
    • Views: 4,968
    07-08-2025, 11:31 AM Go to last post
  4. 4.0T E-Blend Mileage Discussion

    Started by Burkeomatic, 06-06-2025 05:50 PM
    • Replies: 19
    • Views: 1,257
    07-07-2025, 09:30 PM Go to last post
    • Replies: 12
    • Views: 702
    07-07-2025, 01:44 PM Go to last post
  5. Coolant pump 2 help P261A

    Started by Audiandchill, 07-06-2025 05:15 PM
    • Replies: 0
    • Views: 141
    07-06-2025, 05:15 PM Go to last post
  6. DSG Rebuilt Mechatronic Units

    Started by Blackcoog, 04-23-2025 09:19 AM
    • Replies: 2
    • Views: 723
    07-03-2025, 10:27 PM Go to last post
  7. Rear Shock Replacement Issue

    Started by incharge1976, 10-23-2023 10:33 PM
    • Replies: 6
    • Views: 1,613
    07-02-2025, 01:12 PM Go to last post
  8. RS7 ROTORS!!

    Started by Devman2013S7, 06-30-2025 10:31 AM
    • Replies: 2
    • Views: 351
    07-01-2025, 04:24 PM Go to last post
  9. Needing to Replace C7.5 RS7 Control Arms

    Started by Dusk.A6, 05-31-2025 10:28 PM
    • Replies: 25
    • Views: 1,441
    06-25-2025, 09:21 AM Go to last post
  10. IE's Official C7/C7.5 S6 & S7 Tuning & Hardware Thread

    Started by Tyler@IE, 05-25-2021 04:13 PM
    4 Pages
    1 2 3 4
    • Replies: 126
    • Views: 65,161
    06-24-2025, 03:19 AM Go to last post
  11. Anyone running JHM ECU/TCU?

    Started by BarryDJr, 11-18-2024 06:44 AM
    • Replies: 36
    • Views: 3,145
    06-18-2025, 03:11 PM Go to last post
  12. Question APR Stage 2 ECU/Stage 1 TCU Question

    Started by bakler5, 06-16-2025 08:34 PM
    • Replies: 4
    • Views: 364
    06-18-2025, 01:22 PM Go to last post
  13. Sport Diff and Transfer Box service

    Started by skhan91, 06-16-2025 12:05 PM
    • Replies: 12
    • Views: 594
    06-17-2025, 07:17 PM Go to last post
  14. TS1 turbos

    Started by OhioS6, 02-25-2023 10:22 PM
    2 Pages
    1 2
    • Replies: 48
    • Views: 13,924
    06-09-2025, 12:01 PM Go to last post
    • Replies: 0
    • Views: 348
    06-06-2025, 01:46 PM Go to last post
    • Replies: 2
    • Views: 432
    06-05-2025, 12:07 PM Go to last post
    • Replies: 1
    • Views: 361
    06-02-2025, 06:50 PM Go to last post
    • Replies: 0
    • Views: 294
    06-02-2025, 04:02 AM Go to last post
  15. Question P0240 & P0045(F3) codes once a month

    Started by 1nS4ne, 09-17-2021 11:34 AM
    • Replies: 27
    • Views: 11,106
    05-30-2025, 09:30 PM Go to last post
  16. Looking for an intake for RS C7.5.

    Started by emceus, 05-27-2025 07:17 AM
    • Replies: 1
    • Views: 410
    05-30-2025, 07:05 AM Go to last post
    • Replies: 0
    • Views: 429
    05-16-2025, 12:16 AM Go to last post
  17. Rear sway bar upgrade

    Started by Maimonea77, 05-05-2025 05:05 PM
    • Replies: 9
    • Views: 937
    05-15-2025, 08:54 AM Go to last post
  18. Anyone attempted oxygen sensor replacements?

    Started by joe_momma, 05-09-2025 07:18 AM
    • Replies: 5
    • Views: 767
    05-13-2025, 03:03 PM Go to last post
  19. 4.0t replace/update

    Started by PaS6, 04-21-2025 10:32 PM
    • Replies: 15
    • Views: 1,419
    05-10-2025, 08:08 AM Go to last post
  20. How long does pcv breather valve last?

    Started by flyfishing, 05-05-2025 01:21 PM
    • Replies: 1
    • Views: 559
    05-06-2025, 11:00 PM Go to last post
  21. Simultaneous coolant temp and oil temp faults

    Started by Orch, 04-26-2025 12:10 PM
    • Replies: 2
    • Views: 525
    05-06-2025, 07:49 AM Go to last post
  22. New product: Pierburg CWA-150

    Started by Dasquade, 01-13-2021 09:17 AM
    • Replies: 22
    • Views: 17,122
    05-05-2025, 10:42 AM Go to last post
  23. Vacuum Pump Testing / Intake Manifold Flaps

    Started by nels2825, 06-27-2021 08:34 AM
    • Replies: 6
    • Views: 1,190
    05-04-2025, 04:33 PM Go to last post
  24. Fuelling on the C7.5 S6

    Started by Manaz, 04-25-2025 11:06 PM
    • Replies: 6
    • Views: 806
    05-01-2025, 08:28 AM Go to last post
  25. Cooling system and brake drain and refill. 2016 S7

    Started by EriCal, 04-22-2025 02:26 PM
    • Replies: 1
    • Views: 520
    04-30-2025, 07:14 AM Go to last post
    • Replies: 0
    • Views: 479
    04-28-2025, 07:35 AM Go to last post
  26. Post Heat Exchanger Info

    Started by 335LOL, 04-17-2025 11:34 AM
    heat exchanger, iat
    • Replies: 6
    • Views: 855
    04-18-2025, 07:06 PM Go to last post
  27. What is this noise?

    Started by John336, 01-15-2022 03:28 PM
    • Replies: 26
    • Views: 6,313
    04-15-2025, 06:15 PM Go to last post
  28. HPFP Parts Question

    Started by sloth8871, 04-10-2025 09:21 AM
    • Replies: 11
    • Views: 978
    04-15-2025, 02:33 PM Go to last post
  29. CWUC turbocharger impeller dimensions

    Started by Sla, 03-28-2025 10:07 AM
    • Replies: 14
    • Views: 1,190
    04-04-2025, 11:24 AM Go to last post
  30. SRM rs7 turbos and strainer removal

    Started by Boostedawd91, 03-18-2025 07:20 PM
    • Replies: 11
    • Views: 1,336
    04-03-2025, 07:08 PM Go to last post

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