Speedometer Operation Affected and Poor Transmission Shift Quality: Mercury Topaz Transmission & Drivetrain

Problem overview

The vehicle may lose vehicle speed signal, which can affect speedometer operation and transmission shift quality. Most often the vehicle speed sensor is faulty, however, at times, the driven gear inside the transmission is at fault. Replace the vehicle speed sensor and inspect the driven gear upon sensor removal.

9 people reported this problem

2 comments

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Mercury Topaz vehicles with this problem

5 model years affected

Average mileage: 150,043 miles

(150,043 - 150,043)

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Speedometer Operation Affected and Poor Transmission Shift Quality on Mercury Topaz

Problem overview

Mercury Topaz vehicles with this problem

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