Note: Poor wiper quality can be improved by cleaning the wiper blades
and the windshield; refer to Windows and wiper blades in the
Cleaning chapter.
Note: To prolong the life of the wiper blades, it is highly recommended
to scrape off the ice on the windshield before turning on the wipers. The
layer of ice has many sharp edges and can damage the micro edge of the
wiper rubber element.
ENGINE OIL
Checking the engine oil
Refer to the scheduled maintenance information for the appropriate
intervals for checking the engine oil.
1. Make sure the vehicle is on level ground.
2. Turn the engine off and wait a few minutes for the oil to drain into the
oil pan.
3. Set the parking brake and ensure the gearshift is securely latched in P
(Park) (automatic transmission) or 1 (First) (manual transmission).
4. Open the hood. Protect yourself from engine heat.
5. Locate and carefully remove the engine oil dipstick.
• 5.4L/6.8L gasoline engines only;
for diesel engine information,
refer to the 6.0 and 6.4 Liter
Direct Injection Turbo Diesel
Owner’s Guide Supplement.
6. Wipe the dipstick clean. Insert the dipstick fully, then remove it again.
• If the oil level is between the MIN and MAX marks, the oil level is
acceptable. DO NOT ADD OIL.
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
347
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