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  1. C

    99 Tahoe stuck in 4wd. Please help!!!

    This is a square body tahoe with a new motor (5.7) and a new transmission from a 2001 tahoe. I had to fabricate some things for the torque converter to get the tranny in properly. The truck is stuck in 4wd hi. It will go to 4wd low but it will not go into 2wd. I've replaced the TCCM, the...
  2. C

    02 Tahoe tranny into 99 Tahoe

    Update: I got everything in. She runs and drives and shifts. Shimming the TQ with 1/4" x 3/8" washers/shims worked great so far. I do have to get a different front drive shaft to fit into the newer gen T-case. The old T-case has a male end for front drive shaft, the newer one has female end, 32...
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    02 Tahoe tranny into 99 Tahoe

    the 4l60e from the 01 tahoe is a 300mm with a single piece bell housing, biggest difference in the housing is that theres a top mounting bolt hole on the housing. As for the 98 4l60e, its a 298mm and doesnt have a top mounting hole on the single piece bell housing, nor does it have a drain plug...
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    02 Tahoe tranny into 99 Tahoe

    It’s the 5.7l 99 Tahoe. Transmission came from a 01 Tahoe with a 5.3
  5. C

    02 Tahoe tranny into 99 Tahoe

    Just want to update you donkeys on my progress since ive gotten no feedback. So far I've elongated the flexplate mounting holes, about 1/4" difference from the LT tranny and the LS tranny. I bought solid 1/4" spacers to fill the gap between the LT (flat) flexplate to the LS tranny torque...
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    02 Tahoe tranny into 99 Tahoe

    I've been going at this project for a long time. Ive dropped and bolted up the tranny about 4 times, trying to figure this out. Im trying to put a 2002 4l60e (LS) 300mm tranny into a 98 Tahoe that had the (LT) 298mm 4l60e. The input shafts are different on these trannies so I have to use the...

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