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Ford Redundant F-350 Recall 20V599: Inner tires may contact body, risking blowout and crash

NHTSA campaign 20V599, reported September 30, 2020, 52 vehicles potentially affected.

What this recall means for you

Certain 2020 Ford F-350 trucks with 7.3L gas engines and ambulance prep packages were ordered with Wide Track rear axles but were built with narrower base axles. Depending on the body installed by the body builder, the inner tires on the dual rear wheels may rub against the body.

If the inner tire contacts the body, it could cause a tire blowout, which may lead to a loss of vehicle control and increase the risk of a crash. Ford will notify owners, and dealers will rebuild the rear axle as a Wide Track axle on vehicles already built, free of charge. For vehicles not yet built, body builders may accept the base axle and build a different second-stage body that meets Ford's specifications, or have the rear axle rebuilt as a Wide Track axle, also at no cost. Owners can call Ford customer service at 1-866-436-7332 (Ford recall 20S57) and should check their VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 20V599Ford Motor Company
Component
POWER TRAIN:AXLE ASSEMBLY
Problem
Ford Motor Company (Ford) is recalling certain 2020 F-350 trucks equipped with 7.3L gas engines and ambulance prep packages. These vehicles were ordered with Wide Track rear axles, but were built with base (narrower) axles. Depending on the body installed by the body builder, the inner tires on the dual wheel rear axle may contact the body.
Risk
Inner tire contact with the body could result in a tire blowout, potentially causing a loss of vehicle control, increasing the risk of crash.
Remedy
Ford will notify owners, and dealers will rebuild the rear axle as a Wide Track axle on vehicles already built. For remaining vehicles, body builders will be given the option to accept the base axle and build a different second unit body that meets Ford's specifications or have the rear axle rebuilt as a Wide Track axle, free of charge. An interim letter notifying owners of the safety risk was mailed on October 23, 2020. The recall began January 11, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S57.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Ford Redundant F-3502020