Motor oil in an AX-15?
05-01-2009, 05:04 PM
#17
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Year: Sold my 1991 to go to school for 2 years.
Model: Cherokee
Engine: 4.0L
Factory recommends Dex-III transmission fluid in the transfercase and gear oil in the tranny.
Use GL-3 gear oil in the tranny as the newer GL-5 stuff will be rough on the syncros
Use GL-3 gear oil in the tranny as the newer GL-5 stuff will be rough on the syncros
05-01-2009, 05:22 PM
#18
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Year: 1991
Model: Cherokee
Engine: 4.0
did a little research and the ax15 is a little finicky
lots of guys say use the Redline MT-90 its pricey but worth it its designed for transmissions
lots of guys say use the Redline MT-90 its pricey but worth it its designed for transmissions
05-01-2009, 05:33 PM
#19
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Year: 90
Model: Cherokee
Engine: 4.0
I have my customers using Amsoil MTG now, but before I was a dealer I used MT-90 in both my AX-15 and my Puke-out. Both make the gear changes really smooth on cold days.
05-01-2009, 10:09 PM
#21
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Year: 1987
Model: Cherokee
Engine: 4.0 liter RENIX I-6, DIY Cold Air Intake, 2.5 FM Exhaust, 3 Core Radiator
I agree on going with what your Owners Manual says for your year tranny.
05-01-2009, 11:11 PM
#22
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Year: 1989
Model: Cherokee
Engine: 4.0
I just find it funny that when a rear tech question comes up it takes 15 people talking smack about how the mechanic is an idiot before someone who knows something chimes in. Kinda like the JY guy telling me all ckweokees 87-95 used the same radiator setup
05-02-2009, 12:52 PM
#24
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Year: 1996
Model: Cherokee
Engine: 4.0L
can't do that. it is widely known that there was a misprint in the owners manuals and repair manuals saying to use gl-5 gear oil which has zinc in it that will corrode and damage the bronze syncros.
05-02-2009, 05:58 PM
#25
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Year: 90
Model: Cherokee
Engine: 4.0
And that is a WELL-KNOWN FSM error. IIRC, There was a TSB at one point about it.
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