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Old 10-23-2008, 09:46 PM   #1
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99 5speed tranny oil?

Ok so i have looked around here and found 97,98 but nothing on a 99 tranny.

I'm having my tranny fixed tomorrow and dont want them throwing in some crap that came from a 50gal drum in there.
So i told them i would bring in the stuff to put in there...
Now i just need to find out what i need to buy...lol

Thanks

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Old 10-23-2008, 10:26 PM   #2
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redline =MT 90

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Old 10-24-2008, 12:14 AM   #3
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Exactly, you can't do any better than Redline MT-90 for your AX-15 transmission. You can get it from Summit Racing - High Performance Car and Truck Parts | 800-230-3030 and read about it at Red Line Oil
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Old 10-24-2008, 05:32 AM   #4
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just plain gear oil is fine
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Old 10-24-2008, 09:23 AM   #5
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X3 on the MT-90. I noticed a world of difference when I switched over.
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Old 10-24-2008, 09:55 AM   #6
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Originally Posted by flattietj View Post
just plain gear oil is fine
Just plain gear oil like we use in our axles is a GL-5 and the sulphur-based additives in most GL-5 gear lubes are harmful to the soft yellow-metal synchronizers in our manual transmissions. That's why the factory stopped specifying GL-5 for the AX-5 and AX-15 transmissions.
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Old 10-24-2008, 11:18 AM   #7
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Quote:
Redline MT-90 for your AX-15 transmission
is that fluid also the best for an 04 rubicon manual... not for my jeep but for my buddies we doin his fluids this weekend
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Old 10-24-2008, 11:26 AM   #8
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No, I don't believe MT-90 is the best match for the newer transmissions. They do better with something like Royal Purple Synchromax (a synthetic) or Synchromesh (a non-synthetic) from either Pennzoil or GM.
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Old 10-24-2008, 01:50 PM   #9
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thanks jerry once again..
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Old 10-24-2008, 03:40 PM   #10
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Dealer says 10w30 motor oil.
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Old 10-24-2008, 04:06 PM   #11
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jerry, would you put my 2000 in the category of older or newer? i was about to pick up some MT-90 or should i go with the synthetics you stated above???
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Old 10-24-2008, 04:19 PM   #12
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Dealer says 10w30 motor oil.
Have the dealer do it. That way when it goes out, dealer can put in a new one.
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Old 10-24-2008, 07:00 PM   #13
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Well since i couldnt get it in time for them to put it in i will just order it and do it myself...

Obama? and you own guns?.... guess you dont want to keep them that long.
He wants to put a yearly tax on guns. Tabs for the jeep and tabs for the Hk
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Old 10-25-2008, 04:09 AM   #14
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Quote:
Originally Posted by Brewski View Post
jerry, would you put my 2000 in the category of older or newer? i was about to pick up some MT-90 or should i go with the synthetics you stated above???
With the 2000 you should have a NV3550 (assuming you have a manual you didn't state.) You'll need the Synchromesh.

AX-5 and AX-15 = redline MT-90

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Old 10-25-2008, 11:07 AM   #15
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Originally Posted by distortedtj View Post
With the 2000 you should have a NV3550 (assuming you have a manual you didn't state.) You'll need the Synchromesh.

AX-5 and AX-15 = redline MT-90

Correct. Another good alternative for the NV3550 is Royal Purple Synchromax which is a synthetic. Synchromesh from GM or Pennzoil is fine too but is a dino gear lube.
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Old 10-27-2008, 11:56 AM   #16
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Quote:
Originally Posted by distortedtj View Post
With the 2000 you should have a NV3550 (assuming you have a manual you didn't state.) You'll need the Synchromesh.

AX-5 and AX-15 = redline MT-90

thanks much (i forgot that was the year for the tranny switch) and 5spd is in my sig

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