2012 Ford F550 Cab Diesel Supplement 3rd Printing - Page 41

2012 Ford F550 Cab Manual

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Maintenance and Specifications CHANGING THE ENGINE-MOUNTED AND DFCM FUEL FILTERS Your vehicle is equipped with two fuel filters; one is mounted on top of the driver's side of the engine and the second filter, inside the DFCM, is mounted on the frame rail under the driver-side floorboard near the transmission. Both filters should be replaced at the same time. Regular fuel filter changes are an important part of engine maintenance; failing to keep with the scheduled maintenance could lead to engine performance issues and/or fuel injection system damage. Refer to the scheduled maintenance information of this supplement for more information. Refer to Motorcraft part numbers later in this chapter for the fuel filter replacement part number. This part number includes filters and seals for both the engine-mounted and frame-mounted filters. Removal - DFCM filter The DFCM filter is located in the lower portion of the DFCM housing. 1. Drain the DFCM. See Fuel filter/water separator earlier in this chapter. To install the new DFCM filter, see Installation - DFCM filter later in this section. 2. Remove the lower portion of the DFCM housing (filter bowl) by turning it counterclockwise using a 32 mm socket. Note: Depending on the amount seal swelling, removal of the filter bowl may be noisy and require some effort. Replace the seal prior to reinstalling the filter/bowl to improve assembly. 3. Remove and discard the old fuel filter element. 4. Carefully clean the mating surfaces using a lint-free rag. Installation - DFCM filter 1. Install the new filter into the filter bowl tabs and replace the seal on the DFCM header (top portion of DFCM). Refer to Motorcraft part numbers in the Maintenance chapter for the fuel filter kit part number. 41 2012 Diesel (67l) Supplement, 3rd Printing USA (fus)

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CHANGING THE ENGINE-MOUNTED AND DFCM FUEL FILTERS
Your vehicle is equipped with two fuel filters; one is mounted on top of
the driver’s side of the engine and the second filter, inside the DFCM, is
mounted on the frame rail under the driver-side floorboard near the
transmission. Both filters should be replaced at the same time. Regular
fuel filter changes are an important part of engine maintenance; failing to
keep with the scheduled maintenance could lead to engine performance
issues and/or fuel injection system damage. Refer to the
scheduled
maintenance information
of this supplement for more information.
Refer to
Motorcraft part numbers
later in this chapter for the fuel filter
replacement part number. This part number includes filters and seals for
both the engine-mounted and frame-mounted filters.
Removal - DFCM filter
The DFCM filter is located in the lower portion of the DFCM housing.
1. Drain the DFCM. See
Fuel filter/water separator
earlier in this chapter.
To install the new DFCM filter, see
Installation – DFCM filter
later in
this section.
2. Remove the lower portion of the
DFCM housing (filter bowl) by
turning it counterclockwise using a
32 mm socket.
Note:
Depending on the amount
seal swelling, removal of the filter
bowl may be noisy and require some
effort. Replace the seal prior to
reinstalling the filter/bowl to
improve assembly.
3. Remove and discard the old fuel
filter element.
4. Carefully clean the mating surfaces using a lint-free rag.
Installation – DFCM filter
1. Install the new filter into the filter bowl tabs and replace the seal on
the DFCM header (top portion of DFCM). Refer to
Motorcraft part
numbers
in the
Maintenance
chapter for the fuel filter kit part number.
Maintenance and Specifications
41
2012 Diesel
(67l)
Supplement, 3rd Printing
USA
(fus)