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Old 06-30-2011, 07:39 PM   #1
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97 fluid questions?Help

Just bought a 97 wrangler se with a blown engine in it,putting new engine(2.5) in this weekend,need to know what type of fluids to buy for it? 1.Oil(which kind)2.Tranny(type) 3.Diffs(type) 4.Transfer case(type), Any help would be more than i know!!!Thanks for the help

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Old 06-30-2011, 08:05 PM   #2
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What transmission does it have? Auto or 5-speed?

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Old 06-30-2011, 08:15 PM   #3
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Its a 5 speed and its a 98 engine going in a 97 wrangler se
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Old 06-30-2011, 08:49 PM   #4
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Transfer case: ATF. ATF+3 or ATF+4 is fine, it is happy with any ATF actually.

Transmission. Your AX-5 transmission will be happy with a synthetic 10W-30 engine oil or a 75W-90 GL-4 gear lube like Redline MT-90. Do NOT use a 75W-90 GL-5 gear lube, most are bad for the transmission. To put your mind at ease on the two seemingly vastly different viscosities I have recommended, 10W-30 engine oil is roughly the same actual viscosity of 75W-90 gear lube, they are measured differently. The manufacturer of the transmission, Aisin, added synthetic 10W-30 as an acceptable lube since it is so hard to find a 75W-90 GL-4 gear lube locally.

Axles. Use only a GL-5 gear lube in your axles. Use lower viscosities like 70W-80, 75W-90 for most needs, heavier viscosities like 80W-120, 85W-140 if you tow a trailer. I prefer a NON-synthetic for the axles as there is a lot of evidence to say a non-synthetic gear lube helps the gears to run cooler. The exact viscosity is not a big deal in the axles.

Engine, it's hard to beat 10W-30 except in extremely cold conditions where 5W-30 is a good choice. For gnarly cold like Alaska or Buffalo NY, a 0W-30 is good in uber cold condtions.
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Old 06-30-2011, 09:26 PM   #5
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Cool i really appreciate it,4 i am an idiot when it comes to this stuff.
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Old 06-30-2011, 09:32 PM   #6
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I would spring for the Redline MT 90 or MTL. Haven't been terribly happy with the engine oil in it. Went from shifting fine on really old oil, to shifting notchy with engine oil. Also feel the synchros a lot more.
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Old 06-30-2011, 09:34 PM   #7
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Exactly what engine oil did you use?

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