2004 Mercury Grand Marquis Mercury Grand Marquis 2004

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2004 Mercury Grand Marquis repairs by problem area

Engine (23%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (6%)

Suspension and Steering (21%)

Electrical and Air Conditioning (40%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (0%)

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Chart based on 47 repairs.
See TSBs and recalls for the 2004 Mercury Grand Marquis.

2004 Mercury Grand Marquis 4dr Sedan

239-horsepower 4.6L V8 4-speed automatic RWD

96400 mi

US $2300
transmission failure - had a rebuilt tranny installed 
122000 mi

US $2900
shifting became erratic and the engine would rev-up to around 1500- 1800 rpm then it would slam into 1st gear. I think they just replaced some solenoids and some burnt bands, then refilled with fresh fluid. 

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2004 Mercury Grand Marquis 4dr Sedan

224-horsepower 4.6L V8 4-speed automatic RWD

261000 mi Transmission locked up at high speed and coused the engine to throw a rod through the block. 

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See TrueDelta's information for all Mercury models.

2004 Mercury Grand Marquis 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 Grand Marquis problems occur, check out our car reliability stats.