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  1. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    Sorry im not use to forums seems i replied to one of my coments rambling on the thought of just selling this with a bad trans for what ever i could get out of it.....some other coments i posted about how i split the valve body looking at the check balls was wondering if you could give me some...
  2. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

  3. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    One more question for you i have split the valve body to check the check balls if one of the check balls has srunk could that cause my problem and if so how would i idenify if its that gear?
  4. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    Yeah true almost wondering if i should just dump it for 2k with a bad trans and count my losses
  5. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    ALl other gears do great im really hoping its somthing valve body related obiously i dont have the proper equipment to test correctly but think i might gamble a lil inspect the valve body maby even get a replacment?
  6. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    If that is the case would there be a reason it only does this in 3rd gear and not 5th and reverse?
  7. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    Was your shift flare as bad as mine described?
  8. K

    2007.5 yukon denali high rpm 2nd-3rd late shift

    Alright guys this ones been driving me nuts 2007.5 yukon denali with the 6.2l when cold everything shifts fine when trans temp reaches above 120f from 2nd gear to 3rd is a high rpm 2-3 second pause before entering the entering 3rd Ive verified its actually in 3rd with the manual selction once...

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