4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
78,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2000 Mercury Grand Marquis transmission problems

transmission problem

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2000 Mercury Grand Marquis Owner Comments

problem #1

Jan 052007

(reported on)

Grand Marquis GS 4.6L

  • Automatic transmission
  • 78,000 miles

A D V E R T I S E M E N T S

The car develops a rumbling vibration when the auto tranny shifts gears and usually when the car attains a cruising speed. I disengaged the over drive but results are the same. It also happens when I use cruising control; and always when the speed and acceleration are at cruising mode. Feedback welcome.

- , Port Saint Lucie, FL, US

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