Gmc grease fittings
Have a 2011 GMC 3500 Duramax. Two of the grease fittings are hard to get to, would like to change to 90 degree fittings. Does anyone know the tread size of the fittings.
Forum Discussion
Change out the metal tube to a flex hose
Have NOT had one I could not get at
Have NOT had one I could not get at
