To say that I am very dissatisifed with my 2005 is an understatement. The Duramax is 1/3 more thirsty than my 2001. The Allison transmission has now started to intermittantly refuse to allow the engine to rev past 2000 RPM or it cuts itself out. The driver's side window is continuing to leak air. The air leak on the passenger side has us traveling with a blanket if the outside temps drop below 20 degrees. When I get the Allison to shift properly ... I'm heading to my local Ford dealership!
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