This article is being put together to help walk you through the fairly simple steps of replacing the grommets at the fuel return t and the washers on the banjo bolt at the back of the head.
Symptoms that lead me to start changing these parts were...
-Hard starts with the nose of the truck pointed up hill after 4+ hours
-Loss of prime
-Longer cranking of the engine
-Point nose down hill the truck would fire up no problems.
Starting with the T on the fuel return lines.
The easiest way to locate this T is to find your return banjo on