2003 Buick century speedometer is going crazy

Asked by Jul 15, 2016 at 07:38 AM about the 2003 Buick Century Sedan FWD

Question type: Maintenance & Repair

Speedometer recently has been going up and down like crazy while driving causing down shifting while driving

2 Answers

945

The servo motor driving the needle in the instrument cluster has gone bad. Look into having the cluster rebuilt.

5

I was having the same problem and I replaced the speed sensor and it rectified the problem on my 2003 Buick Century.

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