Re: Oil Type for 4X4 transfer case-78
Thanks to the great advice on this thread (and the links provided), I discovered my transfer case is a full time NP 203 case. I added 10W40 motor oil. Appreciate the help. Lane.
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Lane
1979 Chevy SWB- (Second owner- Father in Law was first)
1979 Chevy Silverado SWB-Red/Red
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