Recall 18V556000

Rear Differential Not Filled With Proper Amount Of Lubricant

Recall Details

The rear differential may have been filled with in insufficient amount of oil during manufacturing of the vehicle. Dealers will inspect the rear axle oil level and replace rear axles that have an insufficient amount of oil in them free of charge to resolve the concern.

Our Quick Take

The rear differential which drives the rear wheels of the vehicle may not have been filled with the proper amount of gear oil from the factory. This can result in internal differential damage which can lead to the rear wheels locking up and can cause a crash.

What Should You Do?

Recall repairs on your Ram truck must be performed by a Ram dealership. Chrysler will notify known owners of affected vehicles beginning in September, 2018. If you do not receive a notification, but wish to check to see if your vehicle is included, please contact one of your local Ram dealerships. They will also check for any other incomplete recalls on your vehicle. For best results, be prepared to provide your Vehicle Identification Number (VIN) to the service department consultant you speak with. The Chrysler recall number is U88.

Affected Cars

Drive Train, August 23, 2018

Original Recall from the NHTSA

Manufacturer's Report Date
August 23, 2018
NHTSA Action Number
Potential Number of Units Affected
Chrysler (FCA US LLC) is recalling certain 2018-2019 RAM 1500 trucks. The rear differential may have been insufficiently filled, possibly resulting in its failure.
If the rear axle assembly fails, it can cause a loss of drive or the rear wheels may lock up. Either scenario increases the risk of a crash.
Chrysler will notify owners, and dealers will inspect the rear axle oil level. Rear axles with an insufficient amount of oil will be replaced, free of charge. The recall began September 26, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U88.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to
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Recall data provided by the National Highway Traffic Safety Administration