NHTSA (USA)Critical
2021 FORD F-650NHTSA Campaign #20V691000
The official notice
Defect
Ford Motor Company (Ford) is recalling certain 2021 F-650 and F-750 vehicles equipped with 7.3L gas engines. The transmission oil cooler line may contact the air conditioning compressor pulley, possibly causing a transmission fluid leak.
Safety Risk
Leaking transmission fluid may contact hot engine components, increasing the risk of an engine compartment fire.
Remedy
Ford will notify owners, and dealers will inspect transmission oil cooler lines for proper orientation and damage, correcting the lines and replacing any that are damaged, free of charge. The recall began December 21, 2020. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S66.
225 vehicles affectedMfr ref: 20S66Updated June 10, 2026