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Premium Member
TrailblazerSS
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1,159 Posts
Discussion Starter #1
I just got a differant trans for my '78 k10,a supposably(sp?) recently rebuilt th350.
I pulled the pan and all looked ok so I put it in and filled it up.Now when I test drive it it goes in reverse just fine,pull it into drive and I can feel it jerk like its in gear but when I hit the gas nothing happens,2nd is the same.Pull it all the way into 1st it goes just fine but if you try to upshift it acts like its in neutral,just revs with no forward motion.
Anyone have any idea whats going on? I would much rather fix something easy like the valvebody than pull it again and tear it apart.
 

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Premium Member
2008 Imperial Blue
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4,473 Posts
No expert here, but curious.

I recall the sprig may be a weak link?
 
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