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    Thread: Best TDI swap into mk2??

    1. Junior Member
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      2003 vw jetta 1.8t
      11-05-2012 06:58 AM #1
      Hey guys im new to this, don't know to much about vws but I have a mk2 2 door jetta that I want to swap a tdi into it is diesel but just looking for the best swap. Can anyone help??


      Thanks
      Patrick

    2. Member
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      '05 Jetta TDI Wagon.
      11-05-2012 09:38 AM #2
      The best or easiest?

      Personally, I'd run a M-TDI with an ALH...

    3. 11-05-2012 10:39 AM #3
      1z/ahu will be easier than alh but alh will be better performing. Need different mounting setup for alh because of turbo.

    4. Member
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      92 Jetta GLI 1.6TD Ripper (VNT20 Turbo), 86 GTI (Wolfsburg Golf), 86 Audi Coupe GT
      11-05-2012 01:52 PM #4
      VNT turbos cause headaches on mk2 cars..

      you gotta have a special custom engine mount..

    5. Member
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      92 8v jetta
      11-05-2012 05:55 PM #5
      Mk3 diesel?!? Not familiar with the engine code but wouldent that be the easiest ?

    6. Junior Member
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      2003 vw jetta 1.8t
      11-05-2012 06:06 PM #6
      Just looking for the best overall swap don't matter to me if it's easy or not and not to familiar with all the codes but thanks for the info so far as im a newbie to VW in general.

    7. Junior Member
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      2003 vw jetta 1.8t
      11-06-2012 06:37 AM #7
      Just heard about this aaz swap does anyone know anything about it like is it good?

    8. 11-06-2012 08:51 AM #8
      The Tdi would be the best swap for highest potential of fuel economy and performance/power. I'm putting a tdi into a passat wagon because there are a few issues with the aaz motor that need addressed so i figured i might a well start with something less prone to problems. First one on the aaz being the crank pulley design is prone to slipping which can kill you engine.

    9. Member
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      92 8v jetta
      11-06-2012 12:56 PM #9
      I kno f!@# all about diesels haha just thought id throw it out....its 1.8ts for me

    10. Member
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      92 Jetta GLI 1.6TD Ripper (VNT20 Turbo), 86 GTI (Wolfsburg Golf), 86 Audi Coupe GT
      11-06-2012 01:28 PM #10
      the 1.6TD is the most fun to drive... also easiest/cheapest swap.

      the 1.9TD is also pretty cheap, provided you can find one..

      the 1.9TDI is not super cheap, and requires lots of wiring changes..

      not all VW diesels are TDIs, FWIW...

    11. Member
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      2001 Tdi, 1988 GTI(Tdi)
      11-06-2012 06:33 PM #11
      What I did was got a full 99 mk3 Jetta AHU donor car, swap in a ALH turbo while it's out, cut thr rear motor mount to allow for thr turbo, it's not hard.
      The mk3 wiring goes right into a CE2 mk2, like an ABA swap, the only hurdle I had was the boost pipes, that will be custom.
      RC tunes the ECU to run the VNT turbo, the motor bolts right in, it's thr perfect mk2 swap.

    12. Junior Member
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      2003 vw jetta 1.8t
      11-08-2012 06:21 AM #12
      Okay thanks I didn't know they all didn't come tdi still new but thank you.

      Thanks for all the info guys.

    13. Junior Member
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      2003 vw jetta 1.8t
      11-08-2012 06:22 AM #13
      Quote Originally Posted by 8gti16valve6 View Post
      What I did was got a full 99 mk3 Jetta AHU donor car, swap in a ALH turbo while it's out, cut thr rear motor mount to allow for thr turbo, it's not hard.
      The mk3 wiring goes right into a CE2 mk2, like an ABA swap, the only hurdle I had was the boost pipes, that will be custom.
      RC tunes the ECU to run the VNT turbo, the motor bolts right in, it's thr perfect mk2 swap.



      I think I might go this route thanks

    14. Junior Member
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      2003 vw jetta 1.8t
      11-08-2012 06:29 AM #14
      I should have asked which motors are better to tune?

    15. 11-08-2012 10:47 AM #15
      I make a 1/4" steel plate so you can hang a low VNT 15 turbo into an MKII. It is fashioned off of the original piece. You can then just worry about controlling it whether ECU or mechanical if you go that route, instead of dealing with cutting the old mout up. The old mount is just cast Aluminum and I would worry about longevity with it cut up.
      I like 1.6l and 1.9l Diesels

    16. Junior Member
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      2003 vw jetta 1.8t
      11-09-2012 06:34 AM #16
      Quote Originally Posted by theman53 View Post
      I make a 1/4" steel plate so you can hang a low VNT 15 turbo into an MKII. It is fashioned off of the original piece. You can then just worry about controlling it whether ECU or mechanical if you go that route, instead of dealing with cutting the old mout up. The old mount is just cast Aluminum and I would worry about longevity with it cut up.

      Sorry to ask all the questions, trying to learn everything, but which mount are you talking about and where do you get the VNT turbo from?

    17. 11-10-2012 04:10 PM #17
      The VNT 15 is what comes on the ALH tdi. The engine mount I make is for the rear, passenger side...the only engine mount that would interfere with the turbo hanging down.
      I like 1.6l and 1.9l Diesels

    18. Junior Member
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      1992 Jetta ECOdiesel
      11-11-2012 10:49 AM #18
      Quote Originally Posted by jetta33 View Post
      Okay thanks I didn't know they all didn't come tdi still new but thank you.

      Thanks for all the info guys.
      The 1.6 Diesels from a MK1 and MK2 are IDI (indirect injection) and are the easiest to swap into a MK2 gasser. They come as both NA (normally aspirated) and TD (turbo diesel) and use fully mechanical Bosch VE (Verteiler) injection pumps. AAZ is a 1.9 IDI TD with a fully mechanical VE IP that was sold in Canada in the 1995 Passat but not in USA. 1Z/AHU was the first TDI (turbo direct injection) and still uses a VE style injection pump but it has electronic control. ALH is pretty much the same as 1Z/AHU except it went to a VNT turbo which is mounted differently than the earlier turbos and requires a modified motor mount to fit in a MK2. Both the 1z/AHU and ALH TDI can be put into a MK2 but you either have to bring over the full electronics or convert them to mechanical injection pump operation which is known as an M-TDI or a TDIm depending on which forums you are reading.

      Later TDIs went to PD (pump duse) and then to the CR (common rail) injection systems which are different from the above mentioned VE engines.
      Last edited by DanV990; 11-11-2012 at 11:00 AM.

    19. Junior Member
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      2003 vw jetta 1.8t
      11-13-2012 06:46 AM #19
      Thanks everyone now that I have found a possible doner car, what all will I need? Like Trans, drive shafts etc.

      Thanks again.

    20. 11-13-2012 06:55 AM #20
      what's donor car?

    21. Junior Member
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      2003 vw jetta 1.8t
      11-13-2012 06:58 AM #21
      Quote Originally Posted by bbob203 View Post
      what's donor car?
      Sorry should have specified, it's going to be a Mk3

    22. 11-13-2012 07:03 AM #22
      does it have front end damage?

    23. Junior Member
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      2003 vw jetta 1.8t
      11-13-2012 07:23 AM #23
      Quote Originally Posted by bbob203 View Post
      does it have front end damage?
      Nope.

    24. 11-13-2012 09:28 AM #24
      well that's good. you can dubhook all the wiring linkages and stuff from the engine drop the whole k frame and front engine/ rad support and just bult it into place on the mk2. swap over pedal cluster might have to drill a hole in the fire wall on the mk2 to accept clutch master. swap over brake booster/ clutch res to mk2. The mechanical stuff is all I can help with. I have no experiemce with tdu electeonics though. The mk3 front is a tad widercthan mk2 so in order to reuse axles you have to do that. shifter box should nolt right up. exaust might need a bit of fab.

    25. Member
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      92 Jetta GLI 1.6TD Ripper (VNT20 Turbo), 86 GTI (Wolfsburg Golf), 86 Audi Coupe GT
      11-13-2012 01:21 PM #25
      mk3 TDI?

      its gonna be an engine swap, AND a TRANSMISSION swap if its got an 02A

      thats not a very easy swap, in terms of easy...

      a mk2 1.6 TD would literally BOLT RIGHT IN with ZERO mods to the car or hardware..

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