Mercury Mountaineer Problem Report

Mercury Mountaineer Problems With Early Production 5-speed Automatic Transmission

(13 reports)

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.

Transmission started down-shifting at speed. New transmission and bore and servo work : $3400 -
Transmission failed requiring total rebuild. -
would not change gears needed new transmission -
Per Transmission shop needs new transfer case & possibly may need entire transmission rebuilt. GREAT! -
Had to replace servo bores in tranny along with major overhaul. $2600! -
check transmissin message. Incorrect gear ratio 5th gear reliable tranny shop $2,100 mercury $3600. Light only came on once.might look for new car -
OD off flahes in msg center, and check engine indicator comes on. Waldorf Ford recommends trans replacement @ $3700.00 -
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