Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 GLC 300 4MATIC, and S 580 4MATIC vehicles. The bolts that secure the rear axle differential to the rear axle carrier may come loose, which can result in a separation of the drive shaft from the rear axle differential.
Safety Risk
Driveshaft separation can cause a loss of drive power, increasing the risk of a crash.
Remedy
Dealers will repair the rear axle differential bolt connection as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024120005.
Hyundai Motor America (Hyundai) is recalling certain 2024 IONIQ 6 vehicles. The differential gear bolts in the gear drive unit may not be tightened properly, which can result in a loss of drive power or cause the differential to lock up.
Safety Risk
A loss of drive power or differential lock up can increase the risk of a crash.
Remedy
Dealers will replace the gear drive unit, free of charge. Owner notification letters were mailed June 17, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 259.
Kia America, Inc. (Kia) is recalling certain 2023 Niro EV and 2024 EV9 vehicles. The differential gear bolts in the gear drive unit may not be tightened properly, which can result in a loss of drive power or cause the differential to lock up.
Safety Risk
A loss of drive power or differential lock up can increase the risk of a crash.
Remedy
Dealers will replace the gear drive unit, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC308.
Aston Martin The Americas (Aston Martin) is recalling certain 2021 DBX vehicles. The fasteners for the front propeller shaft and front differential may be loose, which can result in a loss of front wheel drive or an engine stall.
Safety Risk
A loss of front wheel drive or an engine stall can increase the risk of a crash.
Remedy
Dealers will inspect the fasteners, and tighten them if necessary, free of charge. Owner notification letters were mailed July 16, 2024. Owners may contact Aston Martin customer service at 1-888-923-9988. Aston Martin's number for this recall is RA-51-1928.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 AMG G63 special edition 4x4² (squared) vehicles. The rear axle differential housing may develop cracks, possibly resulting in oil leaking onto the roadway or axle failure.
Safety Risk
Oil leaking onto the roadway may cause a road hazard for following traffic. Rear axle failure can result in a sudden loss of handling or drive power. Either of these conditions can increase the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the repair has been performed. Towing to an authorized Mercedes-Benz dealer may be necessary. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on June 28, 2024, August 9, 2024, August 23, 2024, and September 25, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040012/050005. This recall expands and replaces previous recall number 22V-937. Vehicles previously repaired under recall 22V-937 will need to have the new remedy completed.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 AMG G63 4x4-squared vehicles. The rear axle differential housing may crack, leaking oil onto the road. In addition, the rear axle differential housing may break, resulting in a loss of rear wheel control and drive power.
Safety Risk
A loss of rear wheel control and drive power can increase the risk of a crash. In addition, differential oil that leaks onto the road can increase the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the vehicle has been remedied. Dealers will inspect and replace the rear axle, as necessary, free of charge. The MBUSA Customer Assistance Center will assist owners to make arrangements with their authorized Mercedes-Benz dealer to have the vehicle towed for inspection. Towing and loaner vehicles or alternate transportation, where available, will be offered at no cost to the customer. Owner notification letters were mailed May 12, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023040001.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2020 Porsche 911 Carrera 4S Coupe vehicles. The front axle differential bracket may not have been tightened correctly. If it comes loose, the differential could potentially cause damage to surrounding components.
Safety Risk
Components such as the fuel tank or drive shafts may become damaged from the loose differential. Damage to the fuel tank can result in fuel leakage, which in the presence of an ignition source may increase the risk of a fire.
Remedy
Porsche will notify owners, and dealers will remove the front axle differential to check the screw threads, and to inspect surrounding components for any consequential damage. Depending on the inspection result, the front axle differential will be reinstalled or replaced using new screw joints torqued to the required specification. All work will be performed free of charge. The recall began August 20, 2020. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ALA8.
Chrysler (FCA US LLC) is recalling certain 2014-2017 Jeep Cherokee vehicles equipped with a two-speed Power Transfer Unit (PTU). Relative movement in the Power Transfer Unit (PTU) between the differential input splines and the transmission output shaft may cause some input spline teeth to wear off, which may eventually cause a loss of engagement between the transmission and the differential inside the PTU. If this occurs, power cannot be transferred between the front wheels and the transmission which results in a loss of drive while the vehicle is in motion and a loss of the Park function while stationary.
Safety Risk
A loss of drive can cause a vehicle crash without prior warning. A loss of the Park function can cause unintended vehicle rollaway which can increase the risk of a crash or injury.
Remedy
FCA US LLC will notify owners, and dealers will perform a software update that will maintain vehicle propulsion by engaging rear wheel drive and prevent rolling in Park by activating the electronic parking brake if a failed input spline occurs. This recall began July 14, 2020. Owners may contact FCA USA LLC customer service at 1-800-853-1403. FCA's number for this recall is W47.
Chrysler (FCA US LLC) is recalling certain 2019 Jeep Grand Cherokee and Dodge Durango vehicles. The front differential may have been assembled with pinion gears that are insufficiently hardened, which can lead to the gear teeth wearing down. If both pinion gears have their teeth sufficiently worn off, torque power can not be transferred from the front wheels to the driveline, resulting in loss of power while driving and loss of the PARK function when stationary.
Safety Risk
A sudden loss of power while driving or loss of the transmission PARK function can increase the risk of a crash.
Remedy
Chrysler will notify owners, and dealers will replace the front differential, free of charge. The recall began May 21, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W22.
Ford Motor Company (Ford) is recalling certain 2020 F-550 and 2021 E-350 and E-450 vehicles. The rear axle differential fluid may be below the minimum level, possibly resulting in a failure of the rear axle assembly and driveshaft separation.
Safety Risk
If the driveshaft separates, there may be a loss of drive, increasing the risk of crash. Additionally, if the parking brake is not applied, unintended vehicle movement can occur and increase the risk of injury or crash.
Remedy
Ford will notify owners, and dealers will inspect the rear axle differential fluid level and adjust it, or replace the rear axle as necessary, free of charge. The recall began March 19, 2020. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S09.
General Motors LLC (GM) is recalling certain 2014-2015 Cadillac CTS-V Sport vehicles equipped with 3.6L Twin Turbo V6 engines. The roll pins in the rear-axle differential may fracture.
Safety Risk
If the roll pins fracture while the vehicle is in motion, the rear wheels may lock up and the driver can lose control of the vehicle, increasing the risk of a crash.
Remedy
GM will notify owners, and dealers will repair or replace the rear axle differential, free of charge. The recall began May 1, 2020. Owners may contact Cadillac customer service at 1-800-333-4223. GM's number for this recall is N192279370.
Piaggio Group Americas. Inc. (Piaggio) is recalling certain 2020 Moto Guzzi V 85 TT motorcycles. The final drive output seal may leak oil onto the rear tire.
Safety Risk
An oil leak onto the rear tire may cause a loss of vehicle control, increasing the risk of a crash.
Remedy
Piaggio will notify owners, and dealers will inspect the final drive transmission box for an oil leak, and install an extra seal. If an oil leak is found, both seals and the gasket will be replaced. These repairs will be performed free of charge. The recall began December 26, 2019. Owners may contact Piaggio customer service at 1-212-380-4433. Piaggio's number for this recall is PGJZZQ1904.
Vantage Mobility International, LLC (VMI) is recalling certain 2017 Chrysler Pacifica lowered floor vehicles modified by VMI. The rear pinion bracket on both sides of the vehicle may crack, causing the axle not to be centered and the wheel to wobble.
Safety Risk
A wheel wobble may cause a possible loss of control, increasing the risk of a crash.
Remedy
VMI will notify owners, and dealers will replace the pinion brackets, free of charge. The recall began on August 14, 2017. Owners may contact VMI customer service at 1-800-488-9082. VMI's number for this recall is PAC20170728.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2016-2017 Tacoma vehicles. Oil may leak from the area where the rear differential carrier is assembled to rear axle housing.
Safety Risk
If the vehicle is operated with an insufficient amount of oil in the rear differential, the differential may seize and cause a loss of control, increasing the risk of a crash.
Remedy
Toyota will notify owners, and dealers will inspect the rear differential for oil leakage. Based on the inspection, dealers will either tightening the fastening nuts or replace the fastening nuts and gasket. If the rear differential components are damaged, the rear differential carrier assembly will be replaced. The repairs will be performed free of charge. The recall June 19, 2017. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is H0G.
Chrysler (FCA US LLC) is recalling certain 2016-2017 Ram 1500 trucks. The differential pin retaining screw may come loose while driving, potentially causing the differential to break or lock up.
Safety Risk
A broken or locked up differential may result in a loss of motive power and possibly a loss of vehicle control. Either scenario increases the risk of a crash.
Remedy
Chrysler will notify owners, and dealers will inspect and replace the differential retaining pin, free of charge. The recall began April 24, 2017. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is T20.
Maserati North America, Inc. (Maserati) is recalling certain model year 2017 Quattroporte and Ghibli vehicles manufactured July 1, 2016, to October 12, 2016. The rear differential unit pinion nut may not have been properly tightened, allowing the pinion nut to loosen.
Safety Risk
A loose pinion gear may bind, possibly resulting in the rear wheels locking up and increasing the risk of a crash.
Remedy
Maserati will notify owners, and dealers will inspect the rear differential unit pinion nut torque, and, as necessary, replace the rear differential unit, free of charge. The recall began on December 30, 2016. Owners may contact Maserati customer service at 1-877-696-2737. Maserati's number for this recall is 328.
Ducati North America (Ducati) is recalling certain model year 2016-2017 Ducati XDiavel motorcycles manufactured July 7, 2015, to June 22, 2016. The affected motorcycles may have an insufficiently tightened final drive pulley retaining nut which may result in a loss of power transmission to the rear wheel.
Safety Risk
A loss of power transmission to the rear wheel may increase the risk of a crash.
Remedy
Ducati will notify owners, and dealers will install a new washer under the final drive pulley retaining nut and increase the tightening torque, free of charge. The recall began on November 1, 2016. Owners may contact Ducati customer service at 1-800-231-6696. Ducati's number for this recall is RCL-16-003.
Ford Motor Company (Ford) is recalling certain model year 2015-2016 Ford Focus Electric vehicles manufactured August 20, 2015, through April 13, 2016. The transmission's differential pinion gear shaft may overheat and fracture.
Safety Risk
A fractured pinion shaft could cause a loss of motive power and loss of the transmission park function, increasing the risk of a crash.
Remedy
Ford will notify owners, and dealers will replace the transmission differential assembly, free of charge. The recall began on March 24, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S28.
Subaru of America, Inc. (Subaru) is recalling certain model year 2016 Legacy vehicles manufactured October 24, 2015, to November 16, 2015, and Outback vehicles manufactured October 24, 2015, to November 17, 2015. Due to the improper tightening of the securing nuts, the drive shaft may separate from the rear differential.
Safety Risk
If the drive shaft detaches from the rear differential, it may strike the fuel tank and result in a fuel leak, increasing the risk of a fire.
Remedy
Subaru has notified owners, and dealers will inspect the fastening nuts, and tighten or replace them, as necessary, free of charge. The recall began on December 10, 2015. Owners may contact Subaru customer service at 1-856-488-8500. Subaru's number for this recall is WQV-57.
Hyundai Motor America (Hyundai) is recalling certain model year 2013-2015 Genesis Coupe vehicles manufactured December 28, 2011, to April 6, 2015, equipped with manual transmissions. In the affected vehicles, if the differential and the suspension rear crossmember were not properly aligned during vehicle assembly, the bolts that secure the differential may loosen.
Safety Risk
If the rear differential loosens from its mounting position, the driveshaft may disconnect from the differential, resulting in a loss of propulsion and an increased risk of a crash.
Remedy
Hyundai will notify owners, and dealers will verify the proper assembly of the differential, free of charge. The recall began on December 30, 2015. Owners may contact Hyundai's customer service at 1-855-671-3059. Hyundai's number for this recall is 135.
