Vehicles Affected: Approximately 4,200 model-year 2018-19 Ram 1500 DS pickups with 3.21:1 axle gears
The Problem: The rear differential may have been insufficiently filled with gear lube, possibly resulting in excessive heat generation and failure. If the rear axle assembly fails, it can cause the loss of drive, or the rear wheels may lock up, increasing the risk of a crash.
The Fix: Dealers will inspect the rear axle oil levels and rear axles with an insufficient amount of oil will be replaced for free.
What Owners Should Do: Ram parent company Fiat Chrysler Automobiles will begin notifying owners Oct. 12. Owners can call the automaker at 800-853-1403, the National Highway Traffic Safety Administration's vehicle-safety hotline at 888-327-4236 or visit its website to check their vehicle identification number and learn more.
Need to Find a Dealer for Service? Go to Cars.com Service & Repair to find your local dealer. To check for other recalls, and to schedule a free recall repair at your local dealership, click here: Ram 1500
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