Adding Engine Oil; Engine Oil And Filter Recommendations - Mercury 1999 Mountaineer Owner's Manual

Maintenance and care
If the oil level is below the ADD
mark (4.0L engine) or MIN mark
(5.0L engine), add enough oil to
raise the level within the
ADD-FULL range (4.0L engine)
or MIN-MAX range (5.0L engine).
Oil levels above the letter F in FULL (4.0L engine) or the MAX mark
(5.0L engine) may cause engine damage. Some oil must be removed
from the engine by a service technician.
7. Put the indicator back in and ensure it is fully seated.

Adding engine oil

1. Check the engine oil. For instructions, refer to Checking the engine
oil in this chapter.
2. If the engine oil level is not within the normal range, add only certified
engine oil of the recommended viscosity. Remove the engine oil filler cap
and use a funnel to pour the engine oil into the opening.
3. Recheck the engine oil level. Make sure the oil level is not above the
MAX mark or the letter F in FULL on the dipstick.

Engine oil and filter recommendations

Look for this certification mark.
Ford oil specification is WSS-M2C153-G.
Use SAE 5W-30 motor oil certified for gasoline engines by the American
Petroleum Institute.
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