2008 Denali Transmission Fluid and Filter Change

Discussion in 'Tech Info' started by Mr T, Jun 26, 2011.

  1. 08grey

    08grey Elite Member Supporting Member

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    Where did you connect to and with what?
     
  2. Toster

    Toster TYF Newbie

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  3. Hank Frederick

    Hank Frederick TYF Newbie

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    Hi all, I'm changing the trans fluid and filter in my 2007 yukon denali (100,000 miles) I was wondering if it is a good idea to add the Lucas trans additive while I'm changing it? Thank you
     
  4. techbiker

    techbiker Member

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    No, GM recommends using 100% Dexron VI. Additives apparently might cause issues.

    P.S. I got enough clearance under the Y pipe by placing a 2"x4" above the exhaust, unbolting the transmission, and jacking up the back part of the transmission. This increased clearance between the transmission and the exhaust. The exhaust remained in place but the transmission rose. I then extracted the pan without any cursing.
     

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