2021 FORD F-250 check oil

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Page 198 of 666

FORD F-250 2021  Owners Manual •
Incorrect fuel for climatic conditions.
• Incorrect engine oil viscosity for
climactic conditions.
Note: Some vehicles have a lifetime fuel
filter that is integrated with the fuel tank.
Regular

Page 323 of 666

FORD F-250 2021  Owners Manual •
Inspect exhaust system for damage or
looseness.
• Inspect undercarriage fasteners. If any
are loose or damaged, tighten or
replace ensuring that the proper torque
specification is used.
• Insp

Page 353 of 666

FORD F-250 2021  Owners Manual Engine coolant reservoir.  See Engine Coolant Check (page 364).
D
Brake fluid reservoir.  See 
Brake Fluid Check (page 377).
E
Windshield washer fluid reservoir.  See 
Washer Fluid Check (page 382).
F

Page 355 of 666

FORD F-250 2021  Owners Manual Power steering fluid reservoir.  See Power Steering Fluid Check (page 378).
E
Engine oil dipstick.
 See Engine Oil Dipstick (page 352).
F
Engine oil filler cap.
 See Engine Oil Check (page 352).
G
Air

Page 356 of 666

FORD F-250 2021  Owners Manual 5. Open the hood.  See Opening and
Closing the Hood (page 348).
6. Remove the dipstick and wipe it with a clean, lint-free cloth.  For 6.2L V8  See
Under Hood Overview
 (page 349).
7. Replace the dips

Page 357 of 666

FORD F-250 2021  Owners Manual ENGINE OIL CHECK - 6.7L
DIESEL
To check the engine oil level consistently
and accurately, do the following:
1.
Make sure the parking brake is on. Make
sure the transmission is in park (P) or
neutral (

Page 358 of 666

FORD F-250 2021  Owners Manual Engine lubrication for severe
service operation
The following conditions define severe
operation for which engine operation with
SAE 5W-40 oil which meets Ford
specification, WSS-M2C171-F1, is
recomme

Page 359 of 666

FORD F-250 2021  Owners Manual 3. Add engine oil that meets the correct
specification.
4. Recheck the oil level.
5. If the oil level is correct, replace the dipstick and make sure it is fully seated.
6. Replace the engine oil fille
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