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Thread: May try shoving a 6HP26A into the car...

  1. #55
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    How Forward are the front axles coming out of the transmission? Are they in the similar location is ours, or are the way forward?

  2. #56
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  3. #57
    Registered User hahnmgh63's Avatar
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    Attachment 14890
    The Axles are forward on the A8 D3 6HP26, at least in the version that goes in the 4.2. The Phaeton tranny pic looks like a better fit as far as the axles. A much different looking case compared to the A8. I wonder if that pic is of a 6HP19A or a 6HP26A. Check out this pic of the front axle on the 6HP26A.
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    The phaeton transmission picture that i posted is most likely a six hp nineteen. Sources say that the phaeton came with a six hp twentysix. I need to somehow verify that or find a model that did.

  5. #59
    Registered User hahnmgh63's Avatar
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    I think your right. The 6HP19 probably came with the VR6 Phaeton and the 6HP26 with the 4.2L
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    I need to find a good line on one, and then I'm going to install it.

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    Registered User TozoM8's Avatar
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    Quote Originally Posted by hahnmgh63 View Post
    Tozo, I just put my girlfriends '05 A8L on the lift and the casting in the side of the transmission say's 6HP26. Do the non "L" A8 D3's only have the 6HP19? Her car is a 4.2 and not a W12.
    '04-'06 has the 6HP26A. The later ones with the FSI engine has the 6HP19. They try to save a buck just like they did on the C5 allroad. All C5 A/S RS6 with the V8 had the 5HP24A except the allroad (5HP19).
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  8. #62
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    Quote Originally Posted by nitrorocket View Post
    I need to find a good line on one, and then I'm going to install it.
    I see that you are really fired up to do this I would just get a TCU stuff figured out before swapping transmissions. Audi is very particular about TCUs. you can't even make another C5 TCU work in it let alone a VW TCU the speaks a different language.
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  9. #63
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    Ok, good info.

    Still need to check on wiring schematics for both cars. The transmission will work just fine, I'm sure, as long as it does not trigger a failsafe where the trans will lock into 4th gear. If that happens, I'm going to have to bypass the TCU all together and try to feed it separate input's, or run a standalone computer to operate it.

  10. #64
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    This is odd, it shows a 2004-2006 phaeton with 4.2 having a 6hp19... Hmmm

    http://www.ebay.com/itm/TRANSMISSION...4591b5&vxp=mtr

  11. #65
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    Seems to be some misinformation, i dont think the phaeton came with the 26 at all, i cannot find a trans from one. Appears to be a myth.

  12. #66
    Registered User TozoM8's Avatar
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    The axle line is ~7" from the motor on yours. the 6HP26 is around 2". You need to put a 5" spacer to have the axles straight. You also need to extend your TC by 5". Only the 6HP19 would fit without major fabrication.
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  13. #67
    Registered User TozoM8's Avatar
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    Quote Originally Posted by nitrorocket View Post
    Seems to be some misinformation, i dont think the phaeton came with the 26 at all, i cannot find a trans from one. Appears to be a myth.
    They didn't. If you search ebay A8, you will see that '04-'06 V8 and W12 had the 6HP26 the '07-up is 5HP19.
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  14. #68
    Registered User mik15's Avatar
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    i had a VR6 Phaeton and it had the 5hp gearbox, the early ones used it until 2004, except for the V8 and V6 diesel which came from the beginning with the 6hp, while the V10 Tdi and W12 used the 5hp until nowadays. however i didn't know they used a 6hp19 for the V8, i thought it would have been the 6hp26, makes sense...

    as a note, VW on a SB recommended changing the gearbox oil every 30k km on the 5hp24A for the W12 and V10 engines, after having too many early failures on the first sold cars.
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  15. #69
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    Anyone no if the transmission out of the 2008-2010 rs6 has a more rearward front axle placement.

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    The v10 tdi uses a 5hp24?!?!? That thing weighs WAY more than the rs6 and has WAY more torque than ours, especially tuned. Hell, they pulled a jumbo jet with it!

    I want an internal parts list of that 5hp24...

  17. #71
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    I have rebuilt a lot of 5hp24's, but never one because it failed from clutches or abuse. I have rebuilt them due to piston failures, all the 19 series that I have every belt we're due to drum failures.

    It seems that the rs6 finds the clutch pack weakness.

    If I find out I cannot get a 6HP that will fit into the car, then I need to figure out if I'm going to just rebuild mine, or throw my six speed manual into the car. Anybody know what flywheel I will need to use, ha ha

  18. #72
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    I have randomly stumbled upon this file at nefmoto forums. Not sure if it can be of any use, since it's for 5hp19 - but my guess would be that 5hp24 is virtually the same. Now we just need the 6hp26 diagram.
    Attached Thumbnails Attached Thumbnails audi TIP wiring.pdf  

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