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NA rear end - fitting on a late spec TT with electronic HICAS?

I'm wanting to fit an NA rear subframe/diff assembly to my 1995 TT. I'm just thinking ahead a little and not looked under the back of mine yet but has anyone done this swap? I'm guessing that however it works at the back will just be left unplugged and nothing else will be affected? Thanks for any input guys :thumbup:

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    I'm wanting to fit an NA rear subframe/diff assembly to my 1995 TT. I'm just thinking ahead a little and not looked under the back of mine yet but has anyone done this swap? I'm guessing that however it works at the back will just be left unplugged and nothing else will be affected? Thanks for any input guys :thumbup:

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    Hi, I did this conversion last year and was one of the best mods I have done to the car.

    I swopped out the complete NA sub frame, diff, side shafts and hubs onto my TT. Remember you need to swop out the prop shaft as well as the diff flange on the NA is a 4 hole and the TT diff is a 6 hole. I used a NA prop shaft and had it reconditioned while it was out, including the centre bearing. You will also need to remove the HICAS unit and its piping to neaten things up as well as doing the power steering fluid pot bypass mod or use a NA power steering fluid pot. While the sub frame is on the floor its a good time to check the bushes and replace with oem or poly bushes. I retained the 4 oem sub frame bushes and the rest went poly. The previous setup on the TT diff and sub frame before going to NA diff I used poly bushes for the 4 subframe bushes and there was a lot of road noise transmitted into the cabin...I did not like it.

  • Quote

    Hi, I did this conversion last year and was one of the best mods I have done to the car.

    I swopped out the complete NA sub frame, diff, side shafts and hubs onto my TT. Remember you need to swop out the prop shaft as well as the diff flange on the NA is a 4 hole and the TT diff is a 6 hole. I used a NA prop shaft and had it reconditioned while it was out, including the centre bearing. You will also need to remove the HICAS unit and its piping to neaten things up as well as doing the power steering fluid pot bypass mod or use a NA power steering fluid pot. While the sub frame is on the floor its a good time to check the bushes and replace with oem or poly bushes. I retained the 4 oem sub frame bushes and the rest went poly. The previous setup on the TT diff and sub frame before going to NA diff I used poly bushes for the 4 subframe bushes and there was a lot of road noise transmitted into the cabin...I did not like it.

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