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kartoon84
PostPosted: Thu Apr 29, 2010 11:29 am 
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Joined: Sat Jul 18, 2009 9:48 am
Posts: 60
Location: Tinker AFB, OK
i have a PUP 5-speed (dont know what yr) in my LUV and i am wondering what fluid it needs...i have been told gear oil by parts stores but noticed in my manual that the LUV tansmissions take motor oil. can anyone tell me which one is correct?
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luv75/77
PostPosted: Thu Apr 29, 2010 5:56 pm 
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Joined: Wed Feb 25, 2009 6:52 pm
Posts: 542
Location: so cal
ive put 75-90 gear oil in mine and never had a problem

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smokey
PostPosted: Thu Apr 29, 2010 6:13 pm 
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Joined: Sat Dec 08, 2007 10:32 pm
Posts: 222
Location: GA
30w motor oil thats what the manual says.
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JoeIsuzu
PostPosted: Thu Apr 29, 2010 7:28 pm 
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Joined: Tue Sep 13, 2005 7:54 am
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Location: Germantown, TN (right next to ElvisTown)
luv75/77 wrote:
ive put 75-90 gear oil in mine and never had a problem
Gear oil is "weighted" on a different scale, and I've heard 75 is okay. But 90 would be death to the transmission bearings.

I think the early manuals called for straight 30 weight, but later they said 5w30 or 10w30.

Jack

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Dog trainer
PostPosted: Thu Apr 29, 2010 7:55 pm 
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Location: Great Falls, MT
I run 30w in mine year round here in Montana and haven't had a problem. IT does give the option for 5w 30 I think but I stick with 30W and and shot of SFR.

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kartoon84
PostPosted: Fri Apr 30, 2010 7:06 am 
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Location: Tinker AFB, OK
thank you everyone for the input!
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