2004 Mercury Mountaineer Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Mercury Mountaineer

2004 Mercury Mountaineer Problems

Plastic Intake Manifold May Crack Causing Coolant Leak

The composite (plastic) intake manifold may crack near the thermostat housing and cause a coolant leak. Ford released an updated manifold that was reinforced to prevent a recurrence. No recall was issued for this problem but Ford did extend the warranty to seven years on some models from the date of purchase.

Problems With 5-speed Automatic Transmission are Common

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.

Crack on Lift Gate

A cosmetic crack may develop on the plastic liftgate trim panel. Our technicians tell us the Ford has released a service procedure to replace the applique without damage the the liftgate glass.

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2004 Mercury Mountaineer Reviews

I bought our 2004 V8, AWD for my wife used with about 50,000 miles on it from a used car lot and am the second owner. Shortly after our purchase my wife was diagnosed with cancer so we spent the next 3+ years driving 350+ miles 1 - 2 times per week to Atlanta for Chemotherapy and doctors appointments. The Mountaineer performed superbly and the only real problem we ever had was the transmissio...
bought this vehicle with 30,000 miles on it. it now has 167,000. had 2 bumper to bumper warranty's on it and at 120,000 put both front wheel bearings in it. other wise never needed the warranty. out pulled my 95 chev pick-up pulling a 26 ft, toyota boat. has the 4.6 v-8 and all wheel drive. not the best fuel miliage, but didn't buy it for fuel miliage. bought it so i would not worry if my wife ...
some are right 04 being junk the big issue is money.tranny is week engine is good tranny took 3 months to replace finding the correct one.yes loveing wife loves this car lord blessing wont fix it a prayer to bury it would be better..

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