NP205 and NP203 Transfercase

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Oct 27, 2002 | 07:29 PM

fordrocks

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NP205 and NP203 Transfercase

What lube do you use in these cases..? Or do they use the same lube?

Oct 27, 2002 | 09:39 PM

Schwee

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From: chicago usa

NP205 and NP203 Transfercase

yo.....

there are many answeres,,, ford in 1 of thier shop manuals says to run 50 wght.... as gear oil is to thick and it wont oil the chain,,,,
haynes says 140 wght.....
a guy i know runs mobil-1 synthetic,,, 90 wght..... and has for 250,000 plus miles,,,,,which is the way iam gonna go....

good luk

Oct 27, 2002 | 10:00 PM

fordrocks

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NP205 and NP203 Transfercase

hmmm.. see the np205 is gear driven.. so i guess i could run the thicker 90wt in it.. ? I just put a new np205 in my 77' 4x4 and i dont know what kinda lube to use.

Oct 28, 2002 | 09:17 PM

kspilkinton

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From: South Kitsap County, WA

NP205 and NP203 Transfercase

If it's a brand spankin' new 205 you should be able to get a manufacturers recommendation. It'll depend on the seal and internal composition as to which oil weight to use. Info I have says 90W gear lube, but I'm sure you could use a multi-vis like 75W-90 or something around that neighborhood.

-Kerry