2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 42

2011 Ford F450 Super Duty Crew Cab Manual

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Maintenance and Specifications 3. Reconnect both fuel lines. Using a fuel which has more than average impurities may require the fuel filter to be replaced more frequently than the service interval specifies. The system will need to be purged of air after removal/changing of the filter. See Purging air from the fuel system after DFCM and engine-mounted fuel filter replacement following. Purging air from the fuel system after DFCM and engine mounted fuel filter replacement Turn the ignition key to on for 30 seconds, then turn it to off. Do this a total of six times in a row to purge any trapped air from the fuel system. After filter service, a no start or rough running engine may indicate that air is entering the system through the filter bowl seal or drain. Make sure the drain is tight. ENGINE OIL Checking the engine oil level Because it is normal to add some oil between oil changes, check your engine oil level each time you stop for fuel. To check the engine oil level consistently and accurately, the following procedure is recommended: 1. Have engine at normal operating temperature (at least into the NORMAL range on the engine coolant temperature gauge). 2. Park the vehicle on a level surface, then turn off the engine and open the hood. 3. Allow at least 20 minutes after engine shutdown to ensure that the oil contained in the upper parts of the engine has returned to the oil pan. 4. Protecting yourself from engine heat, pull out the dipstick, wipe it clean and reinsert fully. 5. Read oil level on both sides of dipstick and use highest level (reading) for the actual engine oil level. 42 2011 Diesel (eco) Supplement, 5th Printing USA (fus)

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3. Reconnect both fuel lines.
Using a fuel which has more than average impurities may require
the fuel filter to be replaced more frequently than the service
interval specifies.
The system will need to be purged of air after removal/changing of the
filter. See
Purging air from the fuel system after DFCM and
engine-mounted fuel filter replacement
following.
Purging air from the fuel system after DFCM and engine mounted
fuel filter replacement
Turn the ignition key to on for 30 seconds, then turn it to off. Do this a
total of six times in a row to purge any trapped air from the fuel system.
After filter service, a no start or rough running engine may indicate that
air is entering the system through the filter bowl seal or drain. Make sure
the drain is tight.
ENGINE OIL
Checking the engine oil level
Because it is normal to add some oil between oil changes, check your
engine oil level each time you stop for fuel. To check the engine oil level
consistently and accurately, the following procedure is recommended:
1. Have engine at normal operating temperature (at least into the
NORMAL range on the engine coolant temperature gauge).
2. Park the vehicle on a level surface, then turn off the engine and open
the hood.
3. Allow at least
20 minutes
after engine shutdown to ensure that the
oil contained in the upper parts of the engine has returned to the oil
pan.
4. Protecting yourself from engine heat, pull out the dipstick, wipe it
clean and reinsert fully.
5. Read oil level on both sides of dipstick and use highest level (reading)
for the actual engine oil level.
Maintenance and Specifications
42
2011 Diesel
(eco)
Supplement, 5th Printing
USA
(fus)