NHTSA (USA)Critical
2022 CHEVROLET 4500HDNHTSA Campaign #22V364000
The official notice
Defect
General Motors, LLC (GM) is recalling certain 2022 4500HD, 5500HD, and 6500HD vehicles. The pressure-sensor fitting of the primary hydraulic brake line assembly may not be tightened correctly, which could result in a brake fluid leak.
Safety Risk
A brake fluid leak can extend the distance required to stop the vehicle, increasing the risk of a crash.
Remedy
Dealers will tighten the brake pressure switch, bleed the brake system, and top-off the brake fluid, free of charge. Owner notification letters were mailed June 23, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222368230.
39 vehicles affectedMfr ref: N222368230Updated June 10, 2026