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    VWVortex


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    Thread: FAQ

    1. Member porkchop_man's Avatar
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      09-16-2010 11:45 PM #71
      Are the 02A and 02M transfer cases different? are they equaly as strong? I am currently using a 02J in my mk3 with a 6 speed SQS dog gear set.. i want to reuse those gears for my haldex swap. Would i be able to stuff all that into a 02A syncro case minus the diff obviously.

    2. Member VRT's Avatar
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      90 corrado 20/20 haldex, 2003 jetta
      09-17-2010 08:54 AM #72
      You will need a 02c tranny from a passat. 02M is completly diffrent. The problem that you will find yourself in is if your doing a haldex swap thenyou will have to find a transfer case from a Skoda Octivia (very hard to find)

    3. Member porkchop_man's Avatar
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      09-17-2010 04:16 PM #73
      Well, my plan right now is to throw my dog gears into a 5 speed TTQ case with a new peloquin, should do the trick i believe. It's based on the 02J correct?

    4. Member VRT's Avatar
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      90 corrado 20/20 haldex, 2003 jetta
      09-17-2010 05:05 PM #74
      Nope will not work.
      It's still a 02m style tranny just 5 speed

    5. Member porkchop_man's Avatar
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      09-23-2010 11:16 PM #75
      ok, i understand i'll have to run the octavia angle drive with the haldex rear end to match the gear ratios. If i change the ring and pinion will it not throw everything off?

    6. Member tomtomdabomb74's Avatar
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      '92 16v gti, 74' superbeetle, 84' audi 4kq
      01-12-2011 01:09 AM #76
      where are the vacuum sensor for the actuating center and rear diff locks? stoped working on the way home from buying. its a 84' 4kq

    7. Member chois's Avatar
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      09-09-2011 04:57 PM #77
      Quote Originally Posted by Sleeper-Dub View Post
      Q: Has anyone ever tried to use the audi tt rear beam and trailing arms (independent multilink) on a mk2/3 for a haldex swap? Would it still work correctly if it had to be shortened to fit under a mk2/3? (i.e. make the links shorter)


      Modified by Sleeper-Dub at 4:35 PM 12-9-2009
      As noted in other responses - fabrication required:

      http://forums.vwvortex.com/showthrea...dex-no-synchro
      Chris
      2007 GTI 16v, 4 door, 6sp (well really that one is Brandy's)
      2004.5 Passat Wagon 20v, 1.8t, 4mo, 5sp
      1986 GTI 8v road racer - DIYAutoTune.com

    8. Member Issam Abed's Avatar
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      12-02-2011 03:07 AM #78
      This thread is in dire need of some consolodation / organisation.....
      MKIV Chassis w/ MKIV Rear Haldex - if you do not want to use an 02M transmission , you can use an 02C gearbox but you will need a transfer box from an FEX Gearbox.
      I recently got my hands on an FEX gearbox (Skoda Octavia 4 x 4 gearbox). Gear Ratios are as follows.
      • Final Drive : 3.94
      • 1st Gear : 3.77
      • 2nd Gear : 2.06
      • 3rd Gear : 1.36
      • 4th Gear : 1.03
      • 5th Gear : 0.838


      This is the Gearbox you need if you want to perform a Haldex conversion into a MKII , MKIII or MKIV chassis and do not want to use an 02M gearbox (i.e. staying in 02A / 02J / 02S family).
      FEX gearbox comes with 27/17 tooth count for the angle drive which will match the 17/27 tooth count on the MKIV Rear Haldex differential.


      02C - VW Golf Rallye / VW Passat Syncro = 21/20 tooth count on the angle drive & syncro rear differential has the opposite = 20/21
      You can NOT mix a 27/17 angle drive with a 20/21 rear differential and similarly you can not mix a 21/20 angle drive with a 17/27 rear differential. If you plan on using an 02C gearbox in a MKII Chassis w/ a Haldex rear differential then you are going to run into problems.

      Why use an 02C/02J/02S box still? Gear ratio's and combinations are endless compared to 02M.

    9. 10-25-2012 09:55 AM #79
      Sorry if this was covered elsewhere, but I ask this here as I go off to research it in the search tool.

      I just bought a pair of Jetta's (with the 2.5 I5's) and I'm looking into converting them to 4motion AWD.

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