Guest Posted July 13, 2002 Share Posted July 13, 2002 my speedometer bounces when i first accelerate slowly, to about 25 to 30 miles an hour.<BR>then it steadily increases to match (i think) the right speed i am going.<BR>i have a 1977 cutlass salon with 15" wheels.<P>thanks. Link to comment Share on other sites More sharing options...
rocketraider Posted July 14, 2002 Share Posted July 14, 2002 Common malady on a GM speedometer. It needs lubricating, both speedometer head and cable. You can do the cable yourself with some powdered graphite or spray lube (WD40 or the like). The speedo head will have to be done at a speedometer repair shop. I can recommend one in NC if you want.<P>Possible the magnets in the speedometer drive have gotten weak too and takes a little more for them to get the speedometer coil turning. Speedo shop can fix that too. Link to comment Share on other sites More sharing options...
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