Dodge · United States · High
Dodge RAM 1500: Power train — differential unit
Affects Dodge RAM 1500 · 2005 — about 257K vehicles.
The hazard
If the pinion nut loosens, the rear axle may seize, and/or the driveshaft may detach resulting in a loss of vehicle control, increasing the risk of a crash.
What to do
Chrysler will notify owners, and dealers will install a retention feature to the pinion nut, free of charge. The recall began on June 26, 2015, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is P77.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational