AWD rear-drive-unit recall — low lube, loss of drivemajor
On AWD 2020 Edges, an inadequate amount of lubricant in the rear drive unit can cause the rear drive axle to seize, leading to a loss of drive and possible loss of control (recall 21V-011, Ford 21S02). Dealers check the lubricant level and top up, or replace the axle if it's below minimum — free. This is AWD-specific and safety-relevant, so verify it by VIN on any all-wheel-drive car. Some owners also report a separate low-speed-turning shudder from the AWD rear drive unit that Ford addresses with an internal clutch kit under a service bulletin.
Sources: NHTSA complaint database, 2020 Ford Edge · NHTSA recall database, 2020 Ford Edge
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Rear-drive-unit recall (21V-011)