rennwerkes Posted April 30, 2007 Share Posted April 30, 2007 Folks, should I be concerned that I'm a tad bit short on my tranny fill in my 91 2whl manual trans? I could have sworn I'd be safe with 2 qts but noticed that it should be about 2.4qts or maybe a little more. Put in the GL4 spec Redline MTL. I'm guessing it should be okay. Thanks! Link to comment Share on other sites More sharing options...
wheel366 Posted April 30, 2007 Share Posted April 30, 2007 Did you drain and fill? Should be approx 5 quarts, not 2 or 2.4. Link to comment Share on other sites More sharing options...
rennwerkes Posted April 30, 2007 Author Share Posted April 30, 2007 Did you drain and fill? Should be approx 5 quarts, not 2 or 2.4. Whoa, are you sure? What came out was only a little over 2 quarts. My factory service manual also lists 2-2.5quarts for 2whl and 4whl transmissions. Link to comment Share on other sites More sharing options...
jj big shoe Posted May 1, 2007 Share Posted May 1, 2007 Yup, he's right. Take a look in the Garage section for the topic "Manual Transmission TSB". Could be that the last time it was filled they used the old spec, that's why you got less out of it. The shop that replaced my trans hadn't heared of the TSB either until I showed it to them. Link to comment Share on other sites More sharing options...
XEcaribe Posted May 1, 2007 Share Posted May 1, 2007 (edited) when should this fluid be replaced. thanks Edited May 1, 2007 by XEcaribe Link to comment Share on other sites More sharing options...
rennwerkes Posted May 1, 2007 Author Share Posted May 1, 2007 (edited) Yup, he's right. Take a look in the Garage section for the topic "Manual Transmission TSB". Could be that the last time it was filled they used the old spec, that's why you got less out of it. The shop that replaced my trans hadn't heared of the TSB either until I showed it to them. Should I be concerned about driving it around with only two quarts in it? Am I correct in assuming that filling with five quarts the fluid would start to spill out the fill hole? Oh yeah, what are you folks using for trans fluid? I'm not too keen having to spend $30+ more on additional Redline. THanks! Edited May 1, 2007 by rennwerkes Link to comment Share on other sites More sharing options...
Chriskaw440 Posted May 1, 2007 Share Posted May 1, 2007 Redline is good stuff. MTL in my gearbox and in all the RX-7's I have ever owned. Link to comment Share on other sites More sharing options...
JoeBob Posted May 1, 2007 Share Posted May 1, 2007 i also used the redline fluid and i would be concerned with driving around with only 2.4 qrts when it should be 5 qrts =o yes it will start to spill out the fill hole trying to put in 5 qrts.. when I changed my fluid i put it through the shifter knob.. its really not that hard. there is lots of stuff about this in the garage section Link to comment Share on other sites More sharing options...
rennwerkes Posted May 1, 2007 Author Share Posted May 1, 2007 Any suggestion on any other quality (inexpensive) transmission fluid? I guess I've got to go look for 3qts more! Link to comment Share on other sites More sharing options...
Chriskaw440 Posted May 1, 2007 Share Posted May 1, 2007 well maybe it's just me and how I am but I would prefer to keep the gear lube of all the same brand and weight instead of just adding some other brand in with the Redline MTL. I was always taught that its best to no mix lubes. (and not synthetic with standard lube) I get my MTL from a local dealer for only 9 bucks a quart....and since its not that often that one has to change their manual tranny lube....the cost is fine with me Link to comment Share on other sites More sharing options...
yozsi Posted May 1, 2007 Share Posted May 1, 2007 pinnzoil syncromesh is great stuff too, i use that in my pathy and all my other cars and trucks. Link to comment Share on other sites More sharing options...
88pathoffroad Posted May 2, 2007 Share Posted May 2, 2007 The problem is that Nissan placed the fill hole too low on the case, so the gears inside suffer from underlubrication with only 2 quarts in it. They didn't fix the design until 96. Link to comment Share on other sites More sharing options...
jj big shoe Posted May 2, 2007 Share Posted May 2, 2007 I used Amsoil in mine since I could get it locally. Some say you could park on an incline and use the fill hole but I can't say it works since I filled it thru the shifter as well. I've also heared that you could use a pipe elbow with the same thread pattern as the trans case and mount it pointing up to gain the extra fluid capacity. Link to comment Share on other sites More sharing options...
wheel366 Posted May 2, 2007 Share Posted May 2, 2007 I think you can get amsoil cheaper but I used Redline MT-90 because it was recommended and the specs actually looked better than Amsoil for this particular product. I agree with above too, you can mix but I wouldn't. Link to comment Share on other sites More sharing options...
rennwerkes Posted May 2, 2007 Author Share Posted May 2, 2007 Hmmm....okay, for now I'm going to just fill till the fluid starts to drain out. I'm guessing I'll get in at least 3qts if not more. Trans hasn't exhibited any problems with the current fill level and I'm guessing the MTL will protect even better than what was in there previously. Thanks for all the input. Link to comment Share on other sites More sharing options...
msavides Posted May 2, 2007 Share Posted May 2, 2007 you will wipe out the input shaft bearing fast running low on fluid. I would get the correct amount in there ASAP. I had to replace my transmission after listening to autozone who told me that gl-5 is what I was suppose to put in there. Gl4 is impossible to find around here. I ordered from summit at 7 bucks a quart. Mark Hmmm....okay, for now I'm going to just fill till the fluid starts to drain out. I'm guessing I'll get in at least 3qts if not more. Trans hasn't exhibited any problems with the current fill level and I'm guessing the MTL will protect even better than what was in there previously.Thanks for all the input. Link to comment Share on other sites More sharing options...
Slick Posted May 2, 2007 Share Posted May 2, 2007 i use the redline MT-90 as well, and put 5 quarts in through the shifter hole too..... do it ASAP.... a trans will cost you more than a few bottles of lube..... i got 5 quarts from summit racing in 2 days for $38 Link to comment Share on other sites More sharing options...
rennwerkes Posted May 2, 2007 Author Share Posted May 2, 2007 you will wipe out the input shaft bearing fast running low on fluid. I would get the correct amount in there ASAP. I had to replace my transmission after listening to autozone who told me that gl-5 is what I was suppose to put in there. Gl4 is impossible to find around here. I ordered from summit at 7 bucks a quart. Mark Forgive my ignorance but what's the sign of a bad input shaft bearing? The trans has been running on 2+ quarts for over 30k miles at least! Link to comment Share on other sites More sharing options...
Simon Posted May 2, 2007 Share Posted May 2, 2007 You'll hear a whining in all gears except 4th. Link to comment Share on other sites More sharing options...
rennwerkes Posted May 2, 2007 Author Share Posted May 2, 2007 (edited) You'll hear a whining in all gears except 4th. Okay, no noise now but I won't drive it and will top up the fluid. Thanks! Edited May 2, 2007 by rennwerkes Link to comment Share on other sites More sharing options...
94extreme Posted May 2, 2007 Share Posted May 2, 2007 you will wipe out the input shaft bearing fast running low on fluid. I would get the correct amount in there ASAP. I had to replace my transmission after listening to autozone who told me that gl-5 is what I was suppose to put in there. Gl4 is impossible to find around here. I ordered from summit at 7 bucks a quart. Mark this is really an non issue if you live in a flat state/area. it's really only an issue if you have some many extended climbs . you can squeeze at least a L in there, through the fill hole, if you lift the driver's side of the truck as much as possible. personally i wouldn't mix manual tranny fluids in these trannies. oil is rather cheap compared to a new box. Link to comment Share on other sites More sharing options...
rennwerkes Posted May 2, 2007 Author Share Posted May 2, 2007 this is really an non issue if you live in a flat state/area. it's really only an issue if you have some many extended climbs . you can squeeze at least a L in there, through the fill hole, if you lift the driver's side of the truck as much as possible. personally i wouldn't mix manual tranny fluids in these trannies. oil is rather cheap compared to a new box. Sounds good. I never go up inclines (very often) and Pathy is used mainly on flat roads. Thanks! Link to comment Share on other sites More sharing options...
wheel366 Posted May 3, 2007 Share Posted May 3, 2007 For peace of mind, just get it done as soon as you can. I actually am about to drain and fill mine again. It only has 5k miles on the current MT-90 but this year it was almost impossible to shift in the 10 degree weather. Figure, what the hell. It doesn't hurt to make sure it is all flushed nice and clean. Link to comment Share on other sites More sharing options...
rennwerkes Posted May 3, 2007 Author Share Posted May 3, 2007 For peace of mind, just get it done as soon as you can. I actually am about to drain and fill mine again. It only has 5k miles on the current MT-90 but this year it was almost impossible to shift in the 10 degree weather. Figure, what the hell. It doesn't hurt to make sure it is all flushed nice and clean. Yeah, going to do it this weekend. Sorry, can't relate with you about 10 degree weather here in Honolulu! Link to comment Share on other sites More sharing options...
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