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  1. M

    Tailshaft support on 2000 CCSB

    No it wouldnt be the 263, as it wasnt offered on these trucks. The NP1 RPO code is for Transfer Case (Electric) Full Range. Or Transfer Case Electric-2 speed. Which in both cases would be the NP243. I believe the CC were only offered with the manual TC(241) or the 2hi,4hi-lo electric shift(243)...
  2. M

    Tailshaft support on 2000 CCSB

    You mean like this? 1999 CCSB from the factory with a 4l80E with the 243 tcase. This carrier is on every 4x4 gmt400 Crewcab Ive ever crawled under. Also I dont think the NP263 was used until late 2001 so Im not sure how your RPOs would show it. Are you sure ran them for the right year?
  3. M

    Another 4x issue.

    Does anyone have the .pdf file for the eshift transfercase? Or even a working link to it?
  4. M

    Another 4x issue.

    First hello. Im Mike. I have a 99 CCSB k2500 with a 5.7 4l80e w/276k miles and the three button 4x4 (2hi 4hi 4lo). Im in the middle of rehabbing my poor beast. Its been worked hard and neglected for awhile and Im bringing it back slowly. The front end was just completely rebuilt with all new...
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