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Tranny shifting issues

onlychevy6

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Mar 29, 2003
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Hockley, Texas
ok here it is. As of this morning i leave the house to come to work. As i turn a corner and start hitting the throttle if vibrates then shifts and after that all is fine. I thought hmmm wierd. So as i am in traffic at a dead stop and proceed to go it continues to do it. But if i am not completely stopped and i start hitting the throttle it does not do it.

Could this be a pinched line or the modulator on the back of the tranny since it is a TH350. This is the first time this has happened and it was completely rebuilt about 2 years ago. And there is maybe 50-60k miles on the rebuilt tranny and the np205 transfer case.
 
I guess thats the first thing I'd check is the line that goes from the intake to the modulator. No cracks/clogged, securly attached etc. Beyond that I dunno.
 

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