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    Thread: Haldex Oil, Replacement

    1. Member ejg3855's Avatar
      Join Date
      Sep 23rd, 2004
      Rochester, NY
      1991 Gti 24v VR6
      04-25-2012 01:38 PM #1
      I was reading over on the hybrid/swap and syncro/haldex forums that a bunch of folks across the pond are running motorcycle oil in the haldex system as it performs in the same wet-clutch environment.

      I am not trying to save a few pennies here so don't just tell me to get the OEM fluid I just want other people opinions and experiences.
      Cars and junk overwhelm my life.

    2. Member DeckManDubs's Avatar
      Join Date
      Sep 26th, 2004
      Corrado SLC Resto , TT 225Q Race Car, 996TT "Thor's Hammer" , E39 540i, 9-3ss, 2500HD 8.1
      04-25-2012 08:28 PM #2
      I have heard of using the same oil from motorcycle wetclutch setups. The only thing that I see a potential issue will be long term testing. Sure it will work for a while, but are there any changes in lifespan/other component failure. Depending on the viscosity of the oil, it is possible that it does not have the cooling capabilities (too thin) or it could be too thick and cause restriction of flow/cooling issues. Worst case it causes the pumps to burn up prematurely.

      This is in the same ball park as what oil to run on supercharged setups. My long term testing 5+ years found that heavier 15-50/20-60 was the ideal oil for a supercharged VR6 or G60. The thinner oil like that used on 1.8T's caused premature bearing failure due to the lack of lubrication on the race surface. It also ran an average 20 deg hotter than the heavier oil.

      Best bet might be to send it out and have the stock fluid examined to figure out the viscosity/chemical make up of the oil.

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    3. 04-25-2012 10:34 PM #3
      I've been in the hunt for a fluid I can use in the trans and Haldex.

    4. Member
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      May 16th, 2006
      '02 TTQ (RIP); '06 3.2Q A3
      04-25-2012 10:52 PM #4
      Quote Originally Posted by DeckManDubs View Post
      Best bet might be to send it out and have the stock fluid examined to figure out the viscosity/chemical make up of the oil.
      Yup! I wouldn't even consider putting different fluids in my (known to be somewhat frail) Haldex system unless I at least knew it was a fairly close match. That said, there's a lot more to lubrication science than just oil weight...
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