Problems With 5-speed Automatic Transmission are Common on Mercury Mountaineer
Problem overview
Various problems with the 5-speed automatic transmission were common. These problems can be more common on the 2002 models with build dates before March, 2002. There are many service bulletins describing the diagnoses and repairs, which include fluid leak repairs, transmission software updates, or internal failures requiring a costly repair.
102 people reported this problem
39 commentsMercury Mountaineer vehicles with this problem
8 model years affected
Average mileage: 139,204 miles
(26,218 - 248,000)
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