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Discussion Starter · #1 ·
Alright, went to Auto Zone yesterday and asked them what I need and how much I need to change the transmission fluid.

He told me 75w-90. 2.5 quarts.

I bought three quarts of Mobil One 75w-90 and proceeded with the change. I used 2.5 quarts, but there seems to be a little more "clanking" when changing the gears. I want to know if 2.5 is the correct amount, or should I add more? Anyone with an owners manual that would be kind enough to tell me what Mazda says? :D

Pweez? Thanks. :)
 

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It's 2.7liters IIRC.

Drain it and replace it with Redline MT-90

Julian Bradbury's site confirms that Mobil 1 75w90 is not acceptable, as its sulfur content will dramatically shorten the life of brass components in the tranny.

I do not know of a GL-5 fluid that is acceptable. Better off leaving the stuff from the factory in.
 

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Discussion Starter · #7 ·
mts3 said:
You must not put a MTL in with sulfur content. I think that it is GL-4 that you have to use on the MTX as GL-5 contains sulfur. Yes it is pertinent. It's a lot cheaper than burning up a MTX.
I put in a synthetic Mobil 1, should I still drain it?
 
G

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yes you need to drain it because it contains sulphr and it will eat away at the brass sincro we have in our tranny.use red line or lubrecation engineers"LE" or that purple stuff that people keep talking about. spending alittle now wont cost you the bank later.what ever you do, dont ppput in anything with sulphr. if you cant find anything in here about tranny oil, you can go to
http://probetalk.com/forums/ and do a search there. i have done a search there alot about it and found alot of stuff since probes are mx-6s with a differ skin.
 

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I was looking into replacing my current tranny fluid with that redline mt-90 stuff because i've heard great things about it....the only problem is I can't find it ANYWHERE. Does anyone know where I can get this stuff??

thanks
 

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Discussion Starter · #11 ·
UnDeR_FLiP said:
I was looking into replacing my current tranny fluid with that redline mt-90 stuff because i've heard great things about it....the only problem is I can't find it ANYWHERE. Does anyone know where I can get this stuff??

thanks
Hehe, as we speak I'm on hold at Napa Auto Parts. I called Auto Zone, Pep Boys, and Kragen and they don't carry it. Napa does. $9.99 a quart. Woot.

Thanks, guys. I'll do the swap tomorrow.
 
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hmmm , thats something new . i just went looking at napa just weeks before looking for some red-line or anything that would work but they did not carry it.
 

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Hey yall,

I have been on the probetalk.com boards for a while, did not know thathis board existed for my car.

Yes use the MT-90. It is one of the only synthetic GL-4 gear oils out there, pennzoil and quaker state make a version also, but harder to find then redline.

GL-5 oils have sulphurs which are corrosive to the soft metals in the sychros of our Mtx. If it mentions GL-5 on the bottle, do not trust it.
Also %$#@ the Mazda dealers, they are just mechanics trying to turn a profit, they will buy bulk what is cheapest for them to use, not what is best for your car. Also never pay attention to what the racers are paid to say they use. Most racers I know use Schaeffers Race Oil, but are sponsored and endorse Valvoline, Castrol, etc....

Go the Redlineoil.com website and they list dealers in your area that carry it. $8.99 a quart usually. 2.9 Quarts need for 2.5L engine.

I just replaced my Mtx oil with the redline and it shfts like butter. I love it. I never thought it could be such a huge difference.

Tim
 
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