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Automotive Column 47 No Speedometer

Automotive Column 47 No Speedometer

Syndicated Newspaper Column

For whatever reason we are seeing more failed instrument clusters pass through our own automotive repair center than ever before. The good news is that many companies now offer rebuilt clusters at affordable prices. Ask you repair center about money saving alternative parts.



Daily Car Repair and Advice Tips Question 47 Failed GM Speedometer Cluster

Dear Motor Medics,
I own a 2005 Chevrolet Impala that I bought used in March of 2006 with 8,000 miles. The vehicle now has 182,000 miles so it does not sit still very often. I have been having problems with the speedometer and other instrument cluster gauges not working correctly. Sometimes the speedometer will stick on 60 and not drop down until I shut off and restart the car. Is this is a common problem with this type of vehicle and if so how do I fix it?

Doug in Minneapolis

Dear Doug,
We have repaired several of these but many are still ticking with well over 200,000 miles on them. A general repair shop should be able to diagnose the issue and if they find that it is within the speedometer they can replace the unit with a rebuilt unit that is available from most auto parts stores. The units come pre-programed for easy installation. When they order the unit it can take a couple of weeks or so as they need to send your vehicle information like mileage and identification number to the manufacturer of the unit so that they can enter it into the replacement. Once it arrives your shop can install the unit and they will have you sign a mileage affidavit stating that the mileage you gave them to enter into the replacement was correct. They will then box up the old unit and send it back as a core.

Take care, the Motor Medics

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Advice given by the Motor Medics is for entertainment only. Each problem is different and requires different approaches and answers given here are opinions and just one possibility. In order to make an accurate diagnosis a qualified technician should make a hands-on diagnosis. Always follow all recommended safety procedures and consult with your own qualified technician before attempting repairs of any kind.

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