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4R100 Missed shift

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Old Jul 20, 2012 | 11:11 AM
  #1  
kawcrasher's Avatar
kawcrasher
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4R100 Missed shift

My truck missed the 3-2 downshift 3 times last weekend. Only grossing about 15k. Fluid is dirty,but not burnt. Temps never got over 190 and I didn't feel any slipping. No new codes.

I'm thinking it's probably an accumulator sticking. And planning on dropping the pan and putting a tugger kit in to take care of the problem.

So do the trans gurus on here think I am heading in the right direction?
 
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Old Jul 20, 2012 | 11:07 PM
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Mark Kovalsky
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What do you mean by missed the 3-2 shift?
 
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Old Jul 20, 2012 | 11:46 PM
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It attempted to down shift to 2nd under load and just revved. I let it return idle and then eased on the throttle and it was in gear.
 
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