Odometer problem

bobpo

bobpo

Well-known member
I INSTALLED A NEW SPEEDO CABLE AND THE SPEEDOMETER WORKS FINE, BUT THE ODOMETER DOESN'T WORK.

THE BACK OF THE SPEEDOMETER REVEALS A BRASS GEAR ABOUT 1" IN DIAMETER. IT APPEARS THAT IT MAY BE MISSING A COVER.

COULD THIS CAUSE THE ODOMETER TO NOT FUNCTION PROPERLY?:confused:
 
The missing cover will only allow dirt to get into the bevel gears.

What has probably happened is that one or more small internal brass bushings have fallen out of position which allows the drive shafts for the odometer wheels to become disengaged.

I suggest that you remove the speedometer assembly, take the stamped cover off of the assembly by first removing the plated front cover, then remove the black case cover, and reinstall the loose bushing(s). They can be carefully retained in position with model airplane "CA" glue. I would lubricate the assembly before you put it back together. Gar Williams
 
Well, I will have to pull the speedo unit.The rear cover is missing and of course I don't know what might be missing inside the unit. All I can see is a fine-tooth gear (about 1" in dia.) inside the housing where the cover is missing.
 
On our 1929 Tudor, the trip meter will not always work if the reset knob is not fully returned to its engaged position. I have not noticed if this disengagement affects the main odometer while motoring. It probably doesn't bother it. This might be a possibility of your problem.
 
The odometer will continue to record when the trip odometer is in a "disengaged" position. Gar Williams
 
Most of the early oval speedometers have a trip odometer. The later round speedometers do not have that feature. Gar Williams
 
Northeast oval speedometers used on some cars in early 1930 do not have a trip odometer, and the matching instrument panel does not have a notch for the trip odometer reset knob. I have one on my early 1930 Town Sedan.
 
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