NHTSA ID Number: 10201038
Manufacturer Communication Number: SSM 50066
Summary
Some 2015-2019 F-Super Duty and 2016-2019 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit an oil leak from the oil filter, crankcase vent oil separator, oil cooler, upper/lower oil pan. This may be due to a clogged crankcase vent oil separator and/or a sealing concern. Do not remove/replace the engine front cover for upper oil pan leaks. Do not check for warpage on the upper oil pan. When the upper oil pan is not bolted to the vehicle, it has a natural tendency to twist slightly due to the manufacturing process for the pan and will not result in an oil leak. The Workshop Manual (Section 303-00 > Diagnosis and Testing > Engine > Engine Oil Leaks) provides information on the usage of fluorescent oil dye to locate the source of an oil leak. Refer to GSB Oil Leaks Weeps And Seeps for more oil leak diagnosis. Continue to monitor OASIS for updates.
28 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
FORD | F-250 SD | 2015-2019 |
| FORD | F-350 SD | 2015-2019 |
| FORD | F-450 SD | 2015-2019 |
| FORD | F-550 SD | 2015-2019 |
| FORD | F-650 SD | 2016-2019 |
| FORD | F-750 SD | 2016-2019 |
APPLICABLE VEHICLES
2017 – 2019 TRUCK: FE P558N SUPER DUTY
2016 – 2019 TRUCK: BC H567N MEDIUM TRUCK
2016 – 2019 TRUCK: BC H567N MEDIUM TRUCK
2016 – 2019 TRUCK: BC H567N MEDIUM TRUCK
2015 – 2016 TRUCK: FA P473N SUPER DUTY
1 Associated Document
Manufacturer Communications
SSM 50066 – 2015-2019 F-Super Duty, 2016-2019 F-650/F-750 – 6.7L – Oil Leak Diagnosis
NHTSA ID Number: 10177883
Manufacturer Communication Number: SSM 49039
Summary
Some 2015-2019 F-Super Duty and 2016-2019 F-650/F-750 vehicles equipped with a 6.7L engine may exhibit an oil leak from the oil filter, crankcase vent oil separator, oil cooler, upper/lower oil pan. This may be due to a clogged crankcase vent oil separator and/or a sealing concern. Do not remove/replace the engine front cover for upper oil pan leaks. Do not check for warpage on the upper oil pan. When the upper oil pan is not bolted to the vehicle, it has a natural tendency to twist slightly due to the manufacturing process for the pan and will not result in an oil leak. The Workshop Manual (Section 303-00 > Diagnosis and Testing > Engine > Engine Oil Leaks) provides information on the usage of fluorescent oil dye to locate the source of an oil leak. Refer to GSB Oil Leaks Weeps And Seeps for more oil leak diagnosis. Continue to monitor OASIS for updates.
1 Associated Document
Manufacturer Communications
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- 35% better wear protection vs. industry standard in Cummins ISB engine test
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- Engineered to control wear, deposits and oil breakdown while meeting low emission requirements
- Proven to maximize diesel engine life
Last update on 2026-07-05 / Affiliate links / Images from Amazon Product Advertising API
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