Transmission Fluid
#1
Transmission Fluid
Hi, I just ordered some redline fluids from a local parts store...the bottle for the transmission reads:
75W90NS
and the differential reads
75W90
I told the parts guy I wanted MT-90 for the transmission...but nowhere on the tranny bottle does it say MT-90...and neither of the bottles (tranny/diff) look like the photos of the bottles here @ finishline:
http://www.finishlineperformance.com/images/74.jpg
http://www.finishlineperformance.com/images/81.jpg
Did they give me the wrong bottles? Also, finishline says it says GL-4 for the tranny...on this bottle it says GL-5...
75W90NS
and the differential reads
75W90
I told the parts guy I wanted MT-90 for the transmission...but nowhere on the tranny bottle does it say MT-90...and neither of the bottles (tranny/diff) look like the photos of the bottles here @ finishline:
http://www.finishlineperformance.com/images/74.jpg
http://www.finishlineperformance.com/images/81.jpg
Did they give me the wrong bottles? Also, finishline says it says GL-4 for the tranny...on this bottle it says GL-5...
#2
I just went to redlines website, and these are what was given to me:
http://www.redlineoil.com/products_g...sp?subcatID=20
and
http://www.redlineoil.com/products_g...60&subcatID=20
Also on the website....is what finishline sells:
http://www.redlineoil.com/products_g...57&subcatID=18
http://www.redlineoil.com/products_g...57&subcatID=18
I'm guessing the parts store gave me the wrong kind???
http://www.redlineoil.com/products_g...sp?subcatID=20
and
http://www.redlineoil.com/products_g...60&subcatID=20
Also on the website....is what finishline sells:
http://www.redlineoil.com/products_g...57&subcatID=18
http://www.redlineoil.com/products_g...57&subcatID=18
I'm guessing the parts store gave me the wrong kind???
#7
Registered
Originally Posted by LostAngel
Alright, would it hurt anything if I use it? Chances are I will just take it back.
#8
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Join Date: Jan 2005
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GL5 is FINE in the transmission (see Owner Manual)
Originally Posted by LostAngel
Alright, I just heard somewhere on the forum that GL-5 has sulphur in it....and is bad for the brass components in the gear box/tranny...and GL-4 doesnt.
#9
No respecter of malarkey
iTrader: (25)
Originally Posted by Go48
The 75W90NS is fine for the tranny but if you have the limited slip differential, DON't use it in the differential. The NS lacks certain additives that the LSD requires. The straight 75W90 is OK for the differential. Now go get gooey.
that only applies to clutch pack LSD's, which the RX-8 is not
I run Redline MTL in my tranny, which is a modified 75W80
Redline MT-90 is a thicker 75W90 version of MTL per their literature
#10
I'm a tech n00b, but I'd heard that it's very difficult/impossible to change your own tranny fluid out without using a pressure system to flush it. Otherwise you'll only be changing a little at a time since it doesn't all drain out completely.
Soo, I need to find some shop to do this for me?
Soo, I need to find some shop to do this for me?
#12
Registered
Originally Posted by Raevik
I'm a tech n00b, but I'd heard that it's very difficult/impossible to change your own tranny fluid out without using a pressure system to flush it. Otherwise you'll only be changing a little at a time since it doesn't all drain out completely.
Soo, I need to find some shop to do this for me?
Soo, I need to find some shop to do this for me?
https://www.rx8club.com/series-i-do-yourself-forum-73/diy-transmission-differential-fluid-replacement-35115/
#13
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Join Date: Jan 2005
Location: Visalia, CA
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I would recommend being well out of the way when you pull the Drain plug from the Transmission. It comes out EXTREMLY fast, and if you just drove up it is also pretty damn hot.
When I pulled the drain plug it coated my entire left arm in hot gear oil! One more thing to note is the Gear oil doesn't smell very pretty.
When I pulled the drain plug it coated my entire left arm in hot gear oil! One more thing to note is the Gear oil doesn't smell very pretty.
#15
Lubricious
Join Date: Oct 2003
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What I do is loosen the plug, then turn it by hand. If you keep pressure against tranny, you will feel when the threads have finally worked all the way disengaged and you'll feel a little "click" At that point the pressure of your hand is all that is holding the plug in place and you can pull it away very quickly to avoid getting oiled. Just plan the maneuver in advance so you don't bang your hand on something else. I like the idea of having the oil gush out. I hope it flushes a little more crud off the bottom of the case but it probably doesn't matter at all
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