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NHTSA ID Number: 10202796
Manufacturer Communication Number: SSM 50237
Summary
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 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.
2 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
FORD | F-250 SD | 2021-2022 |
APPLICABLE VEHICLES
2021 – 2022 TRUCK: FE P558N SUPER DUTY
1 Associated Document
Manufacturer Communications
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
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- TRIAX ULV ATF is a 100% synthetic product designed for the late generation high-speed automatic electronically controlled transmissions found in a variety of newer vehicles
- Fully compliant with OEM requirements for applications requiring / compatible with Mercon ULV, Dexron ULV, WSS-M2C949-A or MB 2236.17, and other ULV applications in European and US cars, trucks and SUVs
- High shear and oxidation stability for uncompromised long term shifting performance; excellent load bearing capacity for heavy duty applications
- Very low pour point for outstanding performance and fuel economy during cold weather, down to -50 F
- Prevents shudder, gear wear, sticking, and vibration; maintains optimal frictional stability for the full duration of its life; exceptionally smooth shifting and efficient torque transfer, even under severe loads such a towing or hauling
- Genuine Parts | Direct fit replacement | 7 quarts of Mercon ULV fluid
- Comes with new transmission pan gasket | 2 year on all OE parts
- Note: Basic drain and refill takes around 5 quarts. Each system is different and may need more or less fluid.
- Fitment: See description for complete fitment list
- NOTE: This kit will NOT work with 6R80 transmission. Please confirm your transmission before purchase.
Last update on 2025-03-18 / Affiliate links / Images from Amazon Product Advertising API
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