2020 Dodge Durango: Rocker arms and cam failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 Durango report: rocker arms and cam failure. CarComplaints.com lists 1 owner complaints, average mileage 93,000 miles.
NHTSA has 9 owner complaints for the 2020 Durango in this area. Examples:
- NHTSA complaint ODI #11721175 (filed 02/28/2026): “1, the rear taillights fill up with water making it difficult to see the lights when breaking. 2, the engine had to be repaired due to power failure and was told that the cams and lifters were worn out on drivers' side at 85000 miles. the garage said this sho…”
- NHTSA complaint ODI #11704575 (filed 12/11/2025): “Under heavy load or high rpm the engine starts shaking badly and the engine loses power and is very unresponsive to throttle. after 30 seconds of light use the problem goes away but comes back immediately upon heavy load or high rpms. there is a technical serv…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replace rocker arms and cams (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $2,500 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .