SSM 50237

Service Bulletin Details

Public Details for: SSM 50237

Some 2021-2022 f-250 vehicles equipped with a 6.7l engine, 10.5 inch sterling rear axle with a 3.55 gear ratio (tag s403n), and four-wheel drive (4wd) built on 01-jun-2021 and through 01-oct-2021 may exhibit a driveline vibration and/or gro


- 2022 - 2021 -

Models from 2022
2022 FORD F-250 SD
Models from 2021
2021 FORD F-250 SD 
SSM 50237 - 2021-2022 F-250 - 6.7L - 4WD - 3.55 Axle - Vibration And/Or
Groan/Roar Noise Between 1700-2100 RPM - Built On 01-Jun-2021 And
Through 01-Oct-2021
Some 2021-2022 F-250 vehicles equipped with a 6.7L engine, 10.5 inch Sterling rear axle with a
3.55 gear ratio (tag S403N), and four-wheel drive (4WD) built on01-Jun-2021 and through 01-Oct2021 may exhibit a driveline vibration and/or growl/roar noise between 1700-2100 RPM. Before
performing normal diagnostics in the Workshop Manual (WSM), inspect the rear axle to verify if a
damper is installed on the pinion flange. If a damper is present, refer to WSM, Section 100-04 for
normal diagnostics. If no damper is present, replace the rear axle drive pinion flange using service
part number HC3Z-4851-A. Also, replace the rear pinion seal. Refer to WSM, Section 205-02. For
claiming, use causal part 4001 and applicable labor operations in Section 04 of the Service Labor
Time Standards (SLTS) Manual.
APPLICABLE VEHICLES
2021 - 2022 TRUCK: FE P558N SUPER DUTY

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