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Intermittent speedometer--temperature related. Does something need resoldering? 700

posted by  Blue Horse on  Wed Nov 29 04:42 CST 2006
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last visit: Mon Apr 8 17:57 CST 2013
[RELATED]

Two differences in our problems---when my speedo quits, the odo quits too, and whacking the dash doesn't seem to help it wake up, though once in a while when it has started when I moved one of the heater controls, but only after everything was fully warmed up (usually when cutting back the temp from max., as it was getting too hot inside the car)

My theory with the bad solder joint is that a part of it contracts when cold, breaking the connection, which is restored when it expands with heat as the car warms up.

Your problem may well be gummy old oil causing the needle to stick. You are correct in your choice of clock and instrument oil for lubricating it. If possible, clean the pivots with lighter fluid (naptha) then apply the oil sparingly--a tiny drop from the point of a pin should be sufficient. Use extreme caution when working on the speedo as it is very delicate.






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