2010 Ford Explorer: Rear differential failure due to water in housing
Common wear/failure (not a recall)
Symptoms
Owners of the 2010 Explorer report: rear differential failure due to water in housing. CarComplaints.com lists 4 owner complaints, average mileage 44,650 miles.
NHTSA has 28 owner complaints for the 2010 Explorer in this area. Examples:
- NHTSA complaint ODI #11713879 (filed 01/28/2026): “Thing accelerate by itself while on highway od light blinking at high speeds and then when you come to a complete stop and try to takeoff it goes really slow with the rpms high then it will kick into gear, unsafe on the road. truck willjump in gear then out on…”
- NHTSA complaint ODI #11431861 (filed 09/06/2021): “Driving 65 mph on i95 and it just shut off. the yellow wrench on dash came on. i somehow was able to pull over to the shoulder without being killed. i cranked once then tried it again and it started. drove all the way home and it’s running fine now. this …”
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: rebuild rear differential (1 reports) replace entire rear differential (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Differential/driveline noise diagnosis and gear work need a lift and specialty setup tools. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $1,360 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
