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Thread: T-case rebuild?

  1. #1
    Join Date
    Nov 2007
    Posts
    105

    T-case rebuild?

    A while back the outer case on my NP246 (99 sierra) got a split in the case and drained, resulting in failure. I picked up another unit and put it in, but I'd like to rebuild the bad unit, preferably with some stronger internal components (if they exist)... Where can I go about looking for a rebuild kit for this thing?

    Thanks

    -Steve

  2. #2
    Join Date
    Sep 2007
    Location
    The G spot in Gaskin, Florida
    Posts
    91
    Contact Merchant Automotive, They have alot for the NP-1/Np 261 and NP-2/Np 263 cases, some may go into the NP 246.

    Does your truck have the "Auto 4WD?

    I am only familiar with the transfer cases in the 2500 HD's, but Eric at Merchant Auto will probably know where to get the good parts you need.

    Here is thier website
    Merchant Automotive :: Your Duramax Diesel and Allison Transmission Experts!
    2006 1500 CC/SB with the 5.3L and Nelson PCM.
    soon to come is a intake and exhaust. (wifes truck)

    Other vehicle is a 03 2500HD CC/SB 6.6L DMAX straight piped and Edge stacked with Superchips and gauges, Loves to eat rice for sure! Fartcan exhaust makes it better!

  3. #3
    Join Date
    Nov 2007
    Posts
    105
    yeah, it's in a 99 sierra 1500 4X4, has 4hi, 4lo, and auto

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