Electrifyliak Posted December 1, 2005 Share Posted December 1, 2005 So I've been hearing a lot about people putting synthetic lube in their tranny's, diff's, etc. And it's supposed to really free up the drive train. So I did some searches in here about it and did not come up with a lot except to use gl-4 only. I know nissans can be picky about lubes so I was just wondering if it would hurt anything to go synthetic in the diffs too. And does the transfer case have it's own lube? And if so could I go synthetic there too? Point me in the right direction if there's a whole thread about this that I missed. Any input would be appreciated. Thanks! Link to comment Share on other sites More sharing options...
Precise1 Posted December 1, 2005 Share Posted December 1, 2005 Yes, definitely GL-4 only for the manual tranny !! I think thats the only really picky one other than if you have the LSD rear end. MT: 5qts GL-4 75w-90 or 80w-90 Transfer case: 2.4 pts ATF Dextron Front axle: 3.1pts GL-5 80w-90 Rear axle: 5.9 pts GL-5 80w-90 LSD rear: Same but with limited slip additive Power Steering: ATF Dextron Putting in the compatible synthetic in the tranny, and front and rear differentials is a good idea unless you do a lot of water crosssings. You'd change the oils so much it would cost a mint... I haven't owned an auto tranny for a long time, so I don't know much about grades of ATF. B (info is for a 95) Link to comment Share on other sites More sharing options...
wheel366 Posted December 1, 2005 Share Posted December 1, 2005 I have all synthetic fluids in my pathy. Amsoil in the front and rear diff and the transfer case, redline in the trans and mobil 1 in the engine. I think I even bought synthetic fluid for my brakes and clutch, but I can't remember. Link to comment Share on other sites More sharing options...
Filthy Luker Posted December 1, 2005 Share Posted December 1, 2005 I have dino oils all around but i change them very often. I drain the AT pan every other oil change and fill it up (it's 1/2 capacity or so), and I change the diff/t-case fluids about 4 times a year. BTW.. I change my engine oil every one to two thousand miles depending on how much I wheel. Running synthetic with those fluid change intervals would be insane. Link to comment Share on other sites More sharing options...
94extreme Posted December 1, 2005 Share Posted December 1, 2005 Transfer case: 2.4 pts ATF Dextron i switched mine to gl lube in there w/o adverse effects over a year ago. i have nothing else with dextron.. and i'll second the part that if you wheel a lot it may not be the most sensible thing to go to synthetics.. Link to comment Share on other sites More sharing options...
Electrifyliak Posted December 2, 2005 Author Share Posted December 2, 2005 well, i have an AT and I dont really wheel at all anymore, so I think synthetic will work for me. is the gl-4 for MT only, or is that for AT too? Link to comment Share on other sites More sharing options...
94extreme Posted December 2, 2005 Share Posted December 2, 2005 well, i have an AT and I dont really wheel at all anymore, so I think synthetic will work for me. is the gl-4 for MT only, or is that for AT too? AT gets dextron (the latest version) Link to comment Share on other sites More sharing options...
Electrifyliak Posted December 2, 2005 Author Share Posted December 2, 2005 OK, thanks for all the help and info guys! Your wealth of knowledge is always appreciated! :bow: Link to comment Share on other sites More sharing options...
Grumpy Posted December 3, 2005 Share Posted December 3, 2005 If you have a limited slip rear, it might require a bit of extra additive, even with a good quality synthetic. Our 94 did, and my tranny / driveline guru buddy said that's not unusual. You'll know if it starts to hem & haw when making tight low speed turns, like into a driveway, etc. Link to comment Share on other sites More sharing options...
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