Removal Procedure
Illustration 1 g01181229
Disconnect tube assembly (1) from fuel pressure regulator (2) .
Remove fuel pressure regulator (2) from the cylinder head.
Installation Procedure
Illustration 2 g01181229
Note: Ensure that the orifice in fuel pressure regulator (2) is open and clean.
Install fuel pressure regulator (2) in the cylinder head at a 10 degree angle from the horizontal centerline.
Connect tube assembly (1) to fuel pressure regulator (2) .
I have a 2003 chevy c7500 with a cat 3126 engine. when the truck sets the secondary filter goes dry. can’t find any leaking could this be the fuel pressure regulator?