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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. Help overheating no coolant loss

    Started by DPs8, 09-25-2022 07:52 AM
    1 Attachment(s)
    • Replies: 27
    • Views: 11,317
    vtraudt
    Yesterday, 01:23 PM Go to last post

  2. What can cause 'no heat', 'cold radiator' and 'overheating"?

    Started by vtraudt, 03-20-2025 03:51 PM
    • Replies: 0
    • Views: 113
    vtraudt
    03-20-2025, 03:51 PM Go to last post

  3. SRM rs7 turbos and strainer removal

    Started by Boostedawd91, 03-18-2025 07:20 PM
    • Replies: 1
    • Views: 190
    Tree57
    03-20-2025, 01:03 PM Go to last post

  4. Anyone with Jackal tune on S6?

    Started by BarryDJr, 11-23-2024 02:39 AM
    • Replies: 23
    • Views: 2,003
    opplock
    03-20-2025, 08:50 AM Go to last post

  5. Aftermarket OEM Engine Mounts

    Started by Blackcoog, 05-22-2024 05:38 AM
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 83
    • Views: 7,559
    joeyjazesmith
    03-18-2025, 05:08 PM Go to last post

  6. Audi S7 Strange noise

    Started by Emre69, 08-24-2019 03:23 AM
    • Replies: 32
    • Views: 18,483
    jh_s6
    03-17-2025, 08:26 PM Go to last post

  7. Looking for any 4.0T DS1 XDF's

    Started by QuattroNaut, 02-23-2025 10:55 PM
    ds1
    • Replies: 1
    • Views: 362
    16AudiS8+
    03-17-2025, 04:42 PM Go to last post

  8. Unhappy S7 2016 cylinder 8 misfires

    Started by John336, 03-08-2025 07:28 PM
    misfire
    • Replies: 4
    • Views: 334
    John336
    03-14-2025, 02:15 PM Go to last post

  9. Pulley ONLY replacement options??

    Started by Botbasher, 03-10-2025 01:49 PM
    • Replies: 0
    • Views: 200
    Botbasher
    03-10-2025, 01:49 PM Go to last post

  10. Oil filter bypass valve?

    Started by toddm889, 03-08-2025 05:53 AM
    • Replies: 1
    • Views: 191
    toddm889
    03-08-2025, 06:05 AM Go to last post

  11. JHM Tune

    Started by quattroism25, 04-01-2023 09:22 PM
    3 Pages •
    1 2 3
    • Replies: 84
    • Views: 22,313
    BuyTheWarranty
    03-06-2025, 06:02 PM Go to last post

  12. Meth/water injections

    Started by 09S5, 06-17-2024 07:58 AM
    7 Attachment(s)
    • Replies: 27
    • Views: 2,525
    Botbasher
    03-05-2025, 06:45 AM Go to last post

  13. C7 S6/S7 DL501 to ZF8 HP55 Swap Guide

    Started by Audibellybutton, 01-01-2025 08:50 PM
    al551, zf swap, zf8 2 Attachment(s)
    • Replies: 31
    • Views: 3,596
    Audibellybutton
    03-04-2025, 07:51 PM Go to last post

  14. Oil leaks from top end, dealer quoted total valley reseal

    Started by Josh_b8.5, 03-04-2025 04:41 PM
    • Replies: 0
    • Views: 256
    Josh_b8.5
    03-04-2025, 04:41 PM Go to last post

  15. TS1 turbos

    Started by OhioS6, 02-25-2023 10:22 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 44
    • Views: 11,189
    Botbasher
    03-04-2025, 01:48 PM Go to last post

  16. Intermittent hard or no start on 4.0T S6 S7 RS7- possibly solved

    Started by Hofahome, 11-05-2018 06:57 PM
    6 Pages •
    1 2 3 4 5 ... 6
    6 Attachment(s)
    • Replies: 205
    • Views: 111,644
    Avantly
    03-03-2025, 12:58 PM Go to last post

  17. ⛽ New Product: JHM Braided Kevlar Fuel Line Re-Route Kit for the 4.0t ⛽

    Started by Tech/Sales@JHM, 02-22-2024 10:49 AM
    • Replies: 22
    • Views: 5,362
    BuyTheWarranty
    02-23-2025, 06:32 PM Go to last post

  18. Question P1398 - Engine Speed Signal - Short to Ground

    Started by gogo_!, 02-11-2025 02:59 AM
    • Replies: 1
    • Views: 297
    Audibellybutton
    02-18-2025, 02:07 AM Go to last post

  19. Question about DS1 emissions monitors

    Started by Devman2013S7, 02-10-2025 01:06 PM
    • Replies: 1
    • Views: 438
    Burkeomatic
    02-13-2025, 12:54 PM Go to last post

  20. APR Oktunerfest Software Sale!

    Started by Arin@APR, 09-15-2023 07:01 AM
    • Replies: 7
    • Views: 1,768
    icemen36
    02-05-2025, 11:18 AM Go to last post

  21. Unique spec on this RS6 Avant C7.5 - VIDEO

    Started by Auditography, 01-25-2025 06:24 AM
    • Replies: 1
    • Views: 526
    ElementR
    02-02-2025, 07:22 AM Go to last post

  22. S6 exhaust options? Too loud currently

    Started by benznotmercedes, 12-03-2024 06:58 AM
    • Replies: 11
    • Views: 1,371
    benznotmercedes
    01-22-2025, 10:30 AM Go to last post

  23. Thumbs up NOW AVAILABLE: JHM 4.0T RKM Lined Silicone Turbocharger Oil drain Hoses

    Started by Jake@JHM, 01-21-2025 02:25 PM
    • Replies: 0
    • Views: 528
    Jake@JHM
    01-21-2025, 02:25 PM Go to last post

  24. Farewell and Q about DS1

    Started by himself, 01-19-2025 05:30 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 619
    MattyMarkey
    01-21-2025, 09:07 AM Go to last post

  25. 2017 S6 P0118 coolant temp sensor running high - where is it and can I replace it?

    Started by axon, 01-19-2025 06:08 PM
    • Replies: 1
    • Views: 416
    Botbasher
    01-20-2025, 05:33 AM Go to last post

  26. O2 sensor replacement, passenger side

    Started by Devman2013S7, 01-07-2025 10:58 AM
    • Replies: 7
    • Views: 749
    Devman2013S7
    01-19-2025, 02:00 PM Go to last post

  27. 2016 s6 cooling system

    Started by RafeG, 01-14-2025 08:15 PM
    • Replies: 4
    • Views: 633
    Tree57
    01-17-2025, 10:50 AM Go to last post

  28. Extended warranty for [emoji2388][emoji239[emoji2388]] sensor replacement?

    Started by Devman2013S7, 01-14-2025 03:58 PM
    • Replies: 3
    • Views: 405
    NewYorkS6
    01-15-2025, 05:24 PM Go to last post

  29. Air ride to coilover kit options (is anyone familiar with these options)

    Started by joeyjazesmith, 12-16-2024 08:10 PM
    • Replies: 8
    • Views: 1,240
    srb_brah
    01-11-2025, 04:11 PM Go to last post

  30. Exhaust options

    Started by Maimonea77, 01-05-2025 09:40 AM
    • Replies: 3
    • Views: 614
    STXA7
    01-09-2025, 03:13 PM Go to last post

  31. I’d like to tune my 14’ S6 w/ Unitronic Stage 1 (not 1+). Is the TCU stage 1 tune nec

    Started by Branzor, 12-14-2024 12:14 PM
    • Replies: 5
    • Views: 1,053
    M3Express
    01-09-2025, 08:12 AM Go to last post

  32. Oil screen, check valve, PCV parts list

    Started by bradthebold, 10-15-2020 08:00 PM
    • Replies: 3
    • Views: 4,006
    09S5
    01-07-2025, 06:18 PM Go to last post

  33. Low boost in high gear, loud sucking sound.

    Started by Branzor, 01-03-2025 02:29 AM
    • Replies: 4
    • Views: 535
    Branzor
    01-06-2025, 12:55 PM Go to last post

  34. Engine compartment coolant spray [emoji[emoji639][emoji6[emoji640][emoji637]][emoji64

    Started by BruC3_L33ROY, 01-02-2025 07:02 AM
    2 Attachment(s)
    • Replies: 3
    • Views: 584
    joeyjazesmith
    01-02-2025, 05:23 PM Go to last post

  35. Turbo side-play - Too much?

    Started by WZCF, 12-29-2024 04:30 PM
    • Replies: 5
    • Views: 690
    Burkeomatic
    12-31-2024, 05:27 PM Go to last post

  36. Gargle noise?

    Started by Arras.Nick, 12-29-2024 08:25 PM
    • Replies: 0
    • Views: 516
    Arras.Nick
    12-29-2024, 08:25 PM Go to last post

  37. Moved: Free oarts almost free

    Started by Jbhoops, 12-20-2024 09:24 AM
    •  
    •  

  38. Opinion on C7.5 S6 Purchase.

    Started by creamys4, 12-04-2024 07:56 AM
    • Replies: 8
    • Views: 1,170
    MattyMarkey
    12-18-2024, 07:33 AM Go to last post

  39. 2016 RS7 Performance Ceramic Rotors: What pads?

    Started by caelric, 11-13-2024 03:03 PM
    • Replies: 3
    • Views: 914
    Sla
    12-17-2024, 01:27 AM Go to last post

  40. Fluid maintenance trans diff front diff

    Started by Jbhoops, 11-06-2024 09:15 PM
    • Replies: 2
    • Views: 1,018
    joeyjazesmith
    12-15-2024, 07:16 PM Go to last post

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