2004 Mercury Mountaineer Mercury Mountaineer 2004

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2004 Mercury Mountaineer repairs by problem area

Engine (26%)

Transmission and Drivetrain (18%)

Brakes and Traction Control (0%)

Suspension and Steering (28%)

Electrical and Air Conditioning (18%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (8%)

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Chart based on 39 repairs.
See TSBs and recalls for the 2004 Mercury Mountaineer.

2004 Mercury Mountaineer transmission repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (43%)

$100 - $499 (14%)

< $100 (43%)

Chart based on 7 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2004 Mercury Mountaineer 4dr SUV

239-horsepower 4.6L V8 5-speed automatic RWD

143000 mi Differential whine 

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2004 Mercury Mountaineer 4dr SUV

239-horsepower 4.6L V8 5-speed automatic AWD

73000 mi Pinion seal leaking and rear axle seal leaking 
111000 mi

US $703
Replaced all bearings, seals, rear end housing, and ajdusted the ring gear and pinion. Grooved axle unnoticed in previous repair causing seal failure. The loss of lubricant caused the failure of wheel bearings. Required replacement of carrier bearings, wheel bearings, ring gear and pinion, and all seals. 
107000 mi

US $350
Planetary gear came loose in the t/case and started to break links on the chain. I have pics send email, if wanted. Replaced with a used unit by the aftermarket warrantee company 

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2004 Mercury Mountaineer 4dr SUV

210-horsepower 4.0L V6 5-speed automatic AWD

105000 mi

US $500
95000 mi

US $994
Cracked flywheel replaced 

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See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercury models.

2004 Mercury Mountaineer Transmission Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2004 Mercury Mountaineer problems occur, check out our car reliability stats.