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speedometer stuck
https://slantsix.org/forum/viewtopic.php?t=56143
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Author:  josekh7 [ Sat Sep 06, 2014 11:55 am ]
Post subject:  speedometer stuck

hey guys my speedometer works but it starts from 35mph instead of 0 when i turn off my car the needle will not go down back to zero, it only resets back to 35 mph.. i have no idea what to do. it seems to climb higher and higher it used to go back to 30 then it started creeping up to 35mph

Author:  Louise76 [ Mon Sep 08, 2014 5:40 pm ]
Post subject: 

On my 75's I have opened the speedometer (factory sealed) and messed with them. Sounds like yours may be worn out bearings. Can't help you there. Also could be a small bit of crud in the needle/hairspring mechanism. Very delicate. I might try opening the unit and cleaning out the mechanisms with a spray can of "electrical contact cleaner"- not lubricant, not corrosion preventative. Just a plain cleaner, if you can find something like that. Be careful not to get any spray on the speedometer face or needle. Anyone else have ideas?

Author:  josekh7 [ Tue Sep 09, 2014 9:40 am ]
Post subject: 

thank you will try this weekend

Author:  nm9stheham [ Tue Sep 09, 2014 6:51 pm ]
Post subject: 

Electrical contact cleaner will really mess up plastic; better off to use just alcohol, IMO. Have had this issue; seemed to be a bad return spring or bearings or such as mentioned above. Replaced the cluster; never tired to open and fix so can't say how hrad or easy that may be.

Author:  Louise76 [ Wed Sep 10, 2014 1:19 pm ]
Post subject: 

Alcohol would work, I think. But again, keep it off the plastic. The way I clean them out, I open the sealed unit to get to the bearings, magnetic drum, and hairspring.

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