costas1 Posted October 27, 2011 Share Posted October 27, 2011 hello everyone.my name is costas . i am new to the forum..my question is 1. is DEXTRON III ATF(same used in BMW M3) oil suitable for my 6 speed manual gearbox on my supra? 2. i found a thread here similar to my question and it suggests ESSO DEXTRON D21065..is that the same oil as the one i am asking?because i can find the fisrt one don't know about the second.. thanks in advance Quote Link to comment Share on other sites More sharing options...
tomgeer Posted October 27, 2011 Share Posted October 27, 2011 http://www.mkivsupra.net/vbb/showthread.php?35935-FAQ-The-manual-gearbox Is that any help? Quote Link to comment Share on other sites More sharing options...
costas1 Posted October 27, 2011 Author Share Posted October 27, 2011 (edited) this is very help full thanks for the reply..but my question was what if i am not able to find DEXTRON D21065 and i can find DEXTRON III ATF..is that the same oil?and if not is it suitable for the box? because the link you gave me suggests the DEXTRON D21065 but it says it is hard to find that too..so what if i can not find it? is this oil i am talking about suitable? Edited October 27, 2011 by costas1 (see edit history) Quote Link to comment Share on other sites More sharing options...
Dim Sum Posted October 28, 2011 Share Posted October 28, 2011 I don't think the Dextron stuff is near the quality of the original gearbox oil. Try the royal purple. There have been threads on this, use the search button on royal purple. But in my opinion I wouldn't use anything else besides the royal purple or the v160 oil. Quote Link to comment Share on other sites More sharing options...
dude Posted October 28, 2011 Share Posted October 28, 2011 Getrag themselves say to use Dexron, many many manufacturers use dexron in their manual boxes a brilliant strtegy by toyota was prob to buy Dexron for about £1 a ltr and repackage it and sell it for £30 a ltr !!!! You can even buy fully synthetic trans fluid now, its what goes in the BMW autos sealed for life boxes. Quote Link to comment Share on other sites More sharing options...
Shane Posted October 28, 2011 Share Posted October 28, 2011 Getrag themselves say to use Dexron, many many manufacturers use dexron in their manual boxes a brilliant strtegy by toyota was prob to buy Dexron for about £1 a ltr and repackage it and sell it for £30 a ltr !!!! You can even buy fully synthetic trans fluid now, its what goes in the BMW autos sealed for life boxes. Dude, Are you confirming something that I have suspected for years now and goes against the advice given on here and other forums that Toyota Type 4 ATF is badge engineered dextron? I have always suspected as much, but never been brave enough to take the risk. Quote Link to comment Share on other sites More sharing options...
dude Posted October 28, 2011 Share Posted October 28, 2011 Dude, Are you confirming something that I have suspected for years now and goes against the advice given on here and other forums that Toyota Type 4 ATF is badge engineered dextron? I have always suspected as much, but never been brave enough to take the risk. And I have never used Toyota Type 4 fluid !!!!! The list of cars that use transmission fluid for their manual gearboxes is endless, TVR, Cosworth, Ford, Nissan Toyota etc. Quote Link to comment Share on other sites More sharing options...
Shane Posted October 28, 2011 Share Posted October 28, 2011 And I have never used Toyota Type 4 fluid !!!!! The list of cars that use transmission fluid for their manual gearboxes is endless, TVR, Cosworth, Ford, Nissan Toyota etc. Yeah I have always suspected as much. My first NA even had Dextron II embossed into the dipstick! I remember when I first asked the question I was given the impression that using Dextron especially in TT boxes would cause a seal failure or oilway to block and that was why the Type 4 ATF AKA snake oil, was different and special. I spoke to a local autobox rebuilder and he said that if he rebuilt my box he would be filling it with Dextron and was happy to warranty it too, which spoke volumes. Another Supra myth I guess. Quote Link to comment Share on other sites More sharing options...
dude Posted October 28, 2011 Share Posted October 28, 2011 The seal thing makes me die too, seeing as an auto has nothing but seals in it all under pressure. Quote Link to comment Share on other sites More sharing options...
pedrosixfour Posted October 28, 2011 Share Posted October 28, 2011 Is the use of ATF fluid only applicable to the Getrag manuals in the Toyota range, or does the same apply to W58 and R154 boxes also? Quote Link to comment Share on other sites More sharing options...
dude Posted October 28, 2011 Share Posted October 28, 2011 75/90 in a W58 dude, ordinary gear oil Quote Link to comment Share on other sites More sharing options...
pedrosixfour Posted October 28, 2011 Share Posted October 28, 2011 75/90 in a W58 dude, ordinary gear oil Cheers Dude, I thought I had missed a memo or something! Quote Link to comment Share on other sites More sharing options...
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