Np 203 or ? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 11-30-2002, 02:35 PM
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Np 203 or ?

I own a 78 Chevy Suburban 4 x 4, how do I tell which TC I have? The shift pattern is: High, High Lock, Neutral, Low and Low Lock. There are no looking mechanisms on the front hubs. I recently began experiencing the 4x4 shifter jumping out of gear while 4x4 on sand. Any suggestions??
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post #2 of (permalink) Old 11-30-2002, 03:11 PM
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Re: Np 203 or ?

It's a 203. Check your linkage adjustment.

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post #3 of (permalink) Old 11-30-2002, 03:13 PM
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Re: Np 203 or ?

The NP 203 is basically a differential in itself. High and Low are just Hi or Lo Differential modes. High Loc and Lo Loc the transfer case is locked solid like a regualer transfer case. I dont know what to tell you about it jumping out of gear.
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