DeVille Concours V8-4.6L VIN Y (1995)
B.
Coat the NEW large 0-ring (2) with clean engine oil and install onto the fuel regulator.
C.
Install thew NEW regulator filter screen (3) onto the fuel regulator.
D.
Coat the NEW small 0-ring (4) with clean engine oil and install onto the fuel regulator.
3.
Install the fuel pressure regulator assembly into the NEW fuel rail (P/N 12583145, 46 or 47).
A.
Insert the assembled fuel pressure regulator (1) into the fuel rail socket using a turning motion to properly seat the 0-rings.
B.
Install the NEW fuel pressure regulator retaining clip (2).
4.
Exchange each fuel injector from the old fuel rail assembly to the NEW fuel rail assembly one at a time in order to keep each injector in its
original position.
A.
Spread and release the fuel injector clip from the old fuel rail assembly.
B.
Remove the fuel injector assembly (1).
C.
Remove the upper (3) and lower (2) fuel injector 0-rings.
Important
Use ONLY clean engine oil to lubricate 0-rings. Do NOT use any other type of lubricant or grease.
D.
Coat with clean engine oil the NEW 0-rings and install onto the fuel injector assembly.
E.
Install the fuel injector assembly into the same location on the NEW fuel rail assembly with the wiring harness connector facing outboard
direction.
