1998 Ford F250 Owner's Manual - Page 160
1998 Ford F250 Manual
Page 160 highlights
Maintenance and care 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 fluid level is not within the normal range, add only certified engine oil of the preferred viscosity. Add engine oil through the oil filler cap. Remove the filler cap and use a funnel to pour oil in the opening. 3. Recheck the oil level. Make sure the oil level is not above the MAX mark on the dipstick. Engine oil 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. Do not use supplemental engine oil additives, oil treatments or engine treatments. They are unnecessary 160
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