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  1. H

    afm 2009 denali 6.2 no compression cylinder 7

    Should I just consider pulling both heads off? I already have the intake off. The top end rebuilt at 190000, is that a good idea or too much extra work and expense? Could I wait it out another bunch of miles and then decide what to do when the time comes? I think it depends entirely on the...
  2. H

    afm 2009 denali 6.2 no compression cylinder 7

    an l9h I did not know that no afm ?
  3. H

    afm 2009 denali 6.2 no compression cylinder 7

    not hot , started with loud ticking followed up with no compression in cyl 7 . are you recommending pulling the head or both heads with the mileage?
  4. H

    afm 2009 denali 6.2 no compression cylinder 7

    2009 denali 6.2 no compression in # 7 #5 190 lbs same in 3 . I removed the valve cover and was thinking the lifter wouldnt be working but all rockers were moving. It looked a little dry , not sure no oil during the compression test. dont know if I should just remove the head and inspect or...

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