I found the following on the NHTSA site. Do any of the techs on this board have any more information???
NoWake200 said:What is this? Is it a fix or just a report that the filler on our trucks suck?
338_ said:Seems pretty dumb that they would even put a small filler opening on any diesel equiped vehicle.
Durabill said:I remember a thread on this web site that lists GM part numbers from a larger truck that will work on a 2500HD that will give a bigger fill pipe that will work well.