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  1. Engine & Performance
    I was on the road for work the last 2 or so weeks and when I get home today I see this. (1st and 2nd Pic below). The rear I'm pretty sure it's a tail housing seal that needs to be replaced but as I look more forward and see more leakage..... what could the front one on the bell housing come...
  2. Engine & Performance
    Hey guys I’m looking at replacing my transmission in my 1997 GMC Sierra 1500 Z71. I found a fairly new GM crate transmission 4L60E out of a 2004 GMC Suburban Z71 local to me. Would I be able to make that trans work in my 97’ or is there too much difference in the newer 4L60E’s? Thanks!
  3. Site News
    I bought this 15 yukon denali with 39000 miles about 3 years ago. My wife daily drives it pretty easy. It starts shifting clunky it seems every 6-8 months and goes to the dealer. 4 of the 5 times the dealer says it need the software updated which lasts for awhile bit time before last a...
  4. The Garage
    Hi I'm new to the forum but I figured I would post to maybe get some insight or helpful tips. I have a 93 chevrolet blazer 2 door full size 4x4 with 180k miles that I just bought a month ago. When I bought it the guy said he replaced the tranny with one from a 93 suburban so I figured it was...
  5. General GM Discussions
    I have a 2004 silverado 2500 6.0 with a 4l60e trans. When I am doing 80 on the freeway, it runs at 3000 rpm. Does this sound right? The shop that had just rebuilt my trans had said that my p0300 (random misfire) code is keeping my torque converter from locking up. Does this sound right?
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