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  #20  
Old 05-13-2013, 04:50 PM
jraben8 jraben8 is offline
MC Devotee
 
Join Date: Oct 2004
Boat: 99 OB SportStar
Location: North DFW
Posts: 1,031
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Definitely take it in to be looked at. I bought a '12 Avalanche about 8 weeks ago. 5.3 but with the 3.42 LS gears. This thing will downshift unloaded on any decent hill on most highways around DFW.
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