2011 FORD SUPER DUTY maintenance

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Page 40 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual 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 t

Page 41 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual 6. it is best to maintain the oil level
within the crosshatch area on the
dipstick by adding oil as required.
The lower hole is the minimum oil
level and the upper hole is the
maximum oil level. Do no

Page 42 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual 1For severe duty usage, use SAE 5W-40 API CJ-4.
2For biodiesel (grades B5-B20) usage, use SAE 5W-40 or SAE
15W-40 API CJ-4.
An engine block heater is recommended at temperatures below –10°F
(–23

Page 43 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual To change the engine oil and oil filter:
1. Unscrew the oil filter and oil pan drain plug and wait for the oil to drain.
Note:The oil pan drain plug only requires 1/4 turn to removal/install. A
3/8 in

Page 44 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual ENGINE AND SECONDARY COOLING SYSTEM COOLANT
Checking engine coolant
The concentration (freeze point protection), additive strength (corrosion
inhibitor), and level of coolant should be checked at the

Page 45 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual Adding coolant
When adding coolant, make sure it is a 50/50 mixture of coolant and
distilled water. Add the mixture to the coolant reservoir(s),when the
engine is cool, until the appropriate fill leve

Page 46 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual •Do not mix with recycled coolant unless from a Ford-approved
recycling process (seeUse of recycled engine coolantsection).
WARNING:To reduce the risk of personal injury, make sure the
engine is coo

Page 47 of 90

FORD SUPER DUTY 2011 3.G Diesel Supplement Manual passenger side of the secondary radiator is warm to the touch
(indicating secondary thermostat is open and coolant is flowing
through the entire system).
8. Reinstall the pressure relief cap. Shut the