Replacing Fuel Filter Elements, John Deere POWERTECH® 8.1 L Engine

causym CAUTION: Always remove ignition key and set park brake before performing maintenance work on fuel filter.

1. Thoroughly clean exterior of fuel filter/water separator assembly and surrounding area.

causym CAUTION: Fuel in filter may be under high pressure. Open valve (C) on bottom of water separator bowl to relieve pressure prior to removing filter.

NOTE: Fuel/water separator is part of the fuel filter assembly.

2. Drain water and contaminates from fuel filters (A) and (B) into a suitable container by opening the drain valve (C) on bottom of filter.

3. Disconnect the sensor connector (D).

IMPORTANT: Always replace both filters at the same time.

4. Remove the old filter elements (A) and (B) using a suitable filter wrench.

5. Remove WIF sensor from old primary filter. Inspect O-ring, replace as necessary and install in new primary fuel filter. Tighten to specification.

Specification

Water In Fuel Sensor -Torque 3 N·m (30 lb-in.)

RG13299

Fuel Filters

RG13297

Removing Fuel Filter

RG13298

Water In Fuel Sensor


A-Primary Fuel Filter
B-Secondary Fuel Filter
C-Drain Valve
D-Sensor

POWERTECH is a trademark of Deere & Company.

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6. Using the filler cup (A), fill the new fuel filter element with fuel and drain excess fuel into suitable container.

NOTE: The primary and secondary fuel filter use different size filler cups. Use correct fill cup on filters to ensure fuel is properly filtered during prefill.

IMPORTANT: Avoid fuel system contamination. Do not pour fuel directly into filter without filler cup. Injection pump could seize.

NOTE: Pour fuel slowly to allow fuel to flow into the element. This will eliminate the need to dump out access fuel once the element is full.

7. Remove oil filler cup.

8. Lubricate packing and install filter onto base. Tighten 1/2 turn after packing contacts base. Connect sensor.

9. Start and run engine at fast idle for 2 minutes. If engine will not start or dies, bleed the fuel system, see "Bleeding Fuel System, John Deere POWERTECH 8.1 L Engine".

If engine will not start after bleeding the fuel system, prime the fuel system, see "Restarting Engine That Has Been Run Out of Fuel, John Deere POWERTECH 8.1 L Engine".

RG11750

Filling Fuel Filter


A-Filler Cup
B-Fuel Filter Element

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