2021 FREIGHTLINER CASCADIA Tires Problems

TIRE SIZE: 275/80 R22.5 MICHELIN ENERGY LINE Z Component that failed is drivers side steer front tire. The tire blew out and resulted in loss of vehicle control. This failure DID cause an accident putting others safety at risk. Both Freightliner Corp. and Michelin Tire Co. are aware of this failure. No one has inspected the tire. I DO NOT have the tire in my possession yet. There are/were no warning, messages or symptoms of this problem prior to. This truck had a right side tire failure at the decoupling groove on May 11, 2022. The tire was replaced at that time with a new tire tire. This truck returned to Toledo Ohio to our terminal. The 4X4X4 air fairings were then removed at the request of DTNA. On 8-5-22 with 52,742 miles on the tire, it blew out resulting in an accident.

TIRE SIZE: 275/80 R22.5 MICHELIN ENERGY LINE Z Component that failed is the passenger side steer front tire. The inside edge decoupling groove failed. Risks include a potential tire blow resulting in loss of vehicle control. This failure could cause an accident putting others safety at risk. Both Freightliner and Michelin Tire Co. are aware of this failure. Michelin tire representative has visually inspected the tire and asked to have the tire returned to the Michelin Company for further inspection. I have not released the tire to them yet. There are/were no warnings, messages or symptoms of this problem prior to. This truck was built with 4X4X4 front air fairing that was removed after this failure by the request of the Freightliner Corp. The mileage on the tire at the time of failure was, 89,490 miles.

TIRE SIZE: 275/80 R22.5 MICHELIN ENERGY LINE Z Component that failed is drivers side steer front tire. The outside edge decoupling groove/sidewall failed. Risks include potential tire blow resulting in loss of vehicle control. This failure could cause an accident putting others safety at risk. Both Freightliner Corp. and Michelin Tire Co. are aware of this failure. No one has inspected the tire. I have the tire in my possession. There are/were no warning, messages or symptoms of this problem prior to. This truck was built with a 4X4X4 front air fairing that was removed after this failure by the request of Freighliner Corp. Mileage on tire at the time of failure was 165,782 miles.

TIRE SIZE: 275/80 R22.5 MICHELIN ENERGY LINE Z Component that failed is the passenger steer front tire. The outside edge decoupling groove/sidewall failed. Risks include potential tire blow resulting in loss of vehicle control. This failure could cause an accident putting others safety at risk. Both Freightliner Corp. and Michelin Tire Co. are aware of this failure. No one has inspected the tire. I have the tire in my possession. There are/were no warning, messages or symptoms of this problem prior to. This truck was built with a 4X4X4 front air fairing that was removed after this failure by the request of Freighliner Corp. Mileage on tire at the time of failure was 71,000 miles.

TIRE SIZE: 275/80 R22.5 MICHELIN ENERGY LINE Z Component that failed is passenger side steer front tire. The outside edge decoupling groove/sidewall failed. Risks include potential tire blow resulting in loss of vehicle control. This failure could cause an accident putting others safety at risk. Both Freightliner Corp. and Michelin Tire Co. are aware of this failure. No one has inspected the tire. I have the tire in my possession. There are/were no warning, messages or symptoms of this problem prior to. Michelin Tire Co. sent us 2 new tires and requested we remove the air fairing to see if this could resolve the problem. At the time we proceeded with this request the truck had 315,805 miles on it. On 6-20-22 Michelin Tire Co. supplied Freightliner Corp. with a tech bulletin regarding the decoupling groove failure. At 455,485 miles this tire was showing signs of decoupling failure. This failure...