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  1. #1
    Registered Member One Ring
    Join Date
    Oct 11 2017
    AZ Member #
    408233
    My Garage
    1990 Toyota 4Runner 3.slow 4x4 manual
    Location
    Roy, UT

    B5 TDI 6-Speed Swap Into a B6

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    The 5-speed in my 1.8t B6 A4 Quattro isnít gonna last much longer and Iím considering replacement options. I scored a 6-speed Quattro from a B5 A4 TDI with 4.111 gears along with axels and mounting brackets (for $140, can't complain). Since the B5 transmissions use subfame side mounts instead of the B6ís crossmember mount, has anyone ever swapped the subframe (which uses the same sort of side mounts) from an automatic B6 A4 into their B6 manual in order to install a B5 tranny?

    Iíd be yanking the necessary parts from some donner cars in the local salvage yard. From what Iíve read, the 6-speed trannies in the V6 and 04/05 models use the same rear prop shaft as the autos. The tranny is gonna be geared really low for the 1.8 but since I do a lot of highway driving at 80+, I think I can live with it. Also, is the 5-speedís clutch & flywheel compatible with the 6-speedís? If this is completely outlandish and can't work, let me know why. Trying to do this cheaply, btw.
    Last edited by MrMorrocious; 05-15-2018 at 06:42 AM.

  2. #2
    Established Member Two Rings
    Join Date
    Feb 10 2011
    AZ Member #
    70744
    Location
    Albion, MI

    Quote Originally Posted by MrMorrocious View Post
    The 5-speed in my 1.8t B6 A4 Quattro isnít gonna last much longer and Iím considering replacement options. I scored a 6-speed Quattro from a B5 A4 TDI with 4.111 gears along with axels and mounting brackets (for $140, can't complain). Since the B5 transmissions use subfame side mounts instead of the B6ís crossmember mount, has anyone ever swapped the subframe (which uses the same sort of side mounts) from an automatic B6 A4 into their B6 manual in order to install a B5 tranny?

    Iíd be yanking the necessary parts from some donner cars in the local salvage yard. From what Iíve read, the 6-speed trannies in the V6 and 04/05 models use the same rear prop shaft as the autos. The tranny is gonna be geared really low for the 1.8 but since I do a lot of highway driving at 80+, I think I can live with it. Also, is the 5-speedís clutch & flywheel compatible with the 6-speedís? If this is completely outlandish and can't work, let me know why. Trying to do this cheaply, btw.
    I just want to know where you scored a tdi tranny for that cheap.

    Sent from my LG-TP450 using Tapatalk
    2004 Audi A4 Quattro 3.0 6sp Ultrasport

  3. #3
    Veteran Member Four Rings Nollywood's Avatar
    Join Date
    Nov 03 2011
    AZ Member #
    83391
    My Garage
    B6 Avant 420-R, Toyota Runx 1.4 16V
    Location
    Manitoba, Canada.

    You can run a B5 A4 V6 Quattro subframe, direct fit to your B6. Or the subframe from a 2002 B6 A4 3.0 Quattro. These early cars were 01E-equipped, and had the B5-style subframe.

    Your 5-Speed flywheel and clutch will work with the 6-Speed.

    TDI gearbox geared low for a 1.8T?? Youíve got things the wrong way round. The TDI gearing is considerably higher than that of any of the gasoline-engined, even the 5-Speed Ďbox from a 1.9 TDI is overall geared higher than the 6-Speed box from a gasser.
    His:
    B7 420-R Avant - RS6 4.2 BiTurbo, (BCY). B7/8.5 Hybrid "RS4" OEM Widebody Coming Soon.

    Waiting To Purchase 2012 B7 Seat Exeo ST Sport Tech.

    Hers:
    2002 Toyota Runx, 1.4L DOHC 16V Auto.



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