Position filter/regulator to body and install 2 bolts. Apply a small amount of clean engine oil to o-rings.Ĥ. Be sure o-ring is positioned into fuel return fitting in filter/regulator.ģ. Before installing filter/regulator, be sure all fittings are cleaned of all dirt and contaminants.Ģ. Remove 2 mounting bolts and remove filter/regulator. Special tools may be required, see “Quick-Connect Fittings” (PDF file).ġ0. Disconnect fuel supply, fuel return and fuel pressure lines at filter/regulator. Clean area around 3 filter/regulator fittings.ĩ. Disconnect negative battery cable at battery.Ĩ. Attempt restarting engine until it will no longer run.Ħ. For location of relay, refer to label on underside of PDC cover.Ĥ. Remove fuel pump relay from Power Distribution Center (PDC).
BEFORE SERVICING ANY FUEL SYSTEM HOSES, FITTINGS OR LINES, THE FUEL SYSTEM PRESSURE MUST BE RELEASED.Ģ. WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE (EVEN WITH THE ENGINE OFF). The fitting towards the rear is a pressure line. Of these 2 fittings, the fitting towards the front is used for fuel return to the fuel tank. The 2 fittings facing the right side of the vehicle are connected to the fuel tank. The single fitting facing the left side of the vehicle is the supply line to the fuel rail. The filter/regulator is equipped with 3 fuel line fittings (2 at one end and 1 at the other end). It is transversely mounted to a chassis crossmember (left-to-right). The combination fuel filter/pressure regulator is located in front of the fuel tank and above the rear axle. Filters should only be replaced if a diagnostic procedure indicates to do so. They do not require normal scheduled maintenance. Both filters are designed for extended service. Is something incorrect or missing? Please get in touch with us and we’ll fix it!Īll WJ models have two fuel filters, a strainer filter at the bottom of the fuel pump module inside the fuel tank and one exterior filter within the fuel pressure regulator. We have organized as much information as we could find into a helpful article below. Welcome to the in-depth page on WJ Generation Jeep Grand Cherokee fuel filters.
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