NHTSA opened 3 defect investigations covering the 2004 Mercury Mountaineer.
Power TrainEA09013 · opened Aug 2009, closed Feb 2013
Vehicle Rollaway Allegations
This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure m
StructureRQ08003 · opened Jun 2008, closed Oct 2008
Rear liftgate glass hatch failure
This investigation was opened on june 23, 2008, based on 34 complaints involving eight injuries in which the rear liftgate glass hatch on model year 2004 ford explorers or Mercury mountaineers broke off and fell, usually while individuals were operating the glass hatch or loading or unloading items from the rear of the
Engine and Engine CoolingDP05005 · opened Sep 2005, closed Jan 2006
Spark plug ejection from cylinder head
On september 6, 2005, odi received a petition requesting that the agency investigate allegations of engine spark plug ejection in certain model year 1997 through 2004 ford vehicles with triton v-8 and v-10 engines.odi received a total of 474 non-duplicative complaints on the subject vehicles where the complainant, or t