Cars & Vehicles Auto Parts & Maintenance & Repairs

How do I Change the Fuel/Water Separator on a Jeep Liberty Diesel?

    • 1). Disconnect the negative cable from the battery, using a wrench to remove the retaining bolt. Isolate the negative cable from the battery while you work.

    • 2). Locate the fuel/water separator on the firewall of your Liberty. It is to the left of the engine, directly in front of the driver. Locate the two electrical connections on the front of the separator. Depress the locking tab on the connectors and remove them from the separator body. Lay the wiring connections aside.

    • 3). Remove the hose clamp on the large fuel line at the front of the separator using a flat-head screwdriver. Pull the hose off the fitting and push it aside. Locate the second fuel line on the passenger's side of the separator. Remove the hose clamp from the line with a flat-head screwdriver and pull it off the fitting.

    • 4). Remove the two bolts that secure the separator to the firewall of the Jeep, using a socket and ratchet. Pull the assembly off the firewall. Position the new separator on the firewall and install the retaining bolts. Tighten the bolts to 63 in.-lbs. with a torque wrench.

    • 5). Connect both fuel lines to the fittings on the new separator. Attach the hose clamps and tighten them with a flat-head screwdriver. Do not overtighten them or you will damage the rubber hose and it will fail prematurely.

    • 6). Attach the wiring harness connectors to the front of the assembly. They are different so you cannot plug them in wrong. Push the connectors in until they snap into place.

    • 7). Reconnect the negative cable to the battery. Reattach the retaining bolt and tighten it with a wrench.

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