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Old 08-19-2012, 08:10 PM   #1
EMTJEEP's Avatar
Join Date: Sep 2011
Location: Dublin Ca
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Changing fluids and want to know which ones to go with.

I'm going to be changing all my fluids when I do my front end and wanted to know what fluids to use for each thing.

I got a 2000 TJ with a 4.0 with the nv3550 trans/231 transfer case and Dana 30 with a lock-right locker and a Dana 44 with an ARB.

For the engine oil I usually did Pennzoil 10w-30 with a fram tough guard filter on my YJ.

NV3550 I don't know since I've never changed it myself. Had a shop do it once as soon as I got my jeep. For the 231 I did ATF +3 but I don't remember the brand.

For the D30/44 I don't know what type since I've never had a locker in my axles. Didn't know if I can just put some 80w-90 GL-5 or need something else for the lockers.


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Old 08-20-2012, 01:39 PM   #2
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Old 08-20-2012, 01:53 PM   #3
Knows a couple things...

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Your engine oil & filter choice was fine. Literally any type of good quality ATF in the transfer case is fine, your ATF+3 was a good choice and ATF+4 is an even better choice if you can't find ATF+3 which is sometimes not easily found. Your lockers don't require any specific viscosity GL-5 gear lube or additives, 80W-90, 75W-90 etc. is fine. If you tow or do really hardcore wheeling, a heavier viscosity like 80W-120 etc. is fine. Hope that helps.
When you have a choice, buy American.

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