P PT1 Joined Feb 6, 2007 Messages 5,746 Location near the mistake May 6, 2009 #1 My nephew has a 2005 GMC Sierra 2500 with the 6L engine and 4L80 trans. When you pull up to a stop the trans gives off a whooshing noise. Does anyone have any experience with this?
My nephew has a 2005 GMC Sierra 2500 with the 6L engine and 4L80 trans. When you pull up to a stop the trans gives off a whooshing noise. Does anyone have any experience with this?