Jammed odometer

Joe Harding · Nov 27th, 2021, 18:25

Useful tip if your mileage and tripmeter go AWOL. I understand it’s a common fault. Well with a selection of screwdrivers you can take the instrument panel apart, dismantle the speedometer and check the worm drive to plain gear that drives the digits. On mine the plain gear had shifted down its shaft and was moving out of mesh with the worm gear.

Took about an hour to sort out.

Moomoo · Nov 27th, 2021, 19:45

Quote:

Originally Posted by Joe Harding

Useful tip if your mileage and tripmeter go AWOL. I understand it’s a common fault. Well with a selection of screwdrivers you can take the instrument panel apart, dismantle the speedometer and check the worm drive to plain gear that drives the digits. On mine the plain gear had shifted down its shaft and was moving out of mesh with the worm gear.

Took about an hour to sort out.

A job I'm putting off bud!

Well done you!

(For even starting it)!

foggyjames · Mar 15th, 2022, 16:55

The bad news is that it's likely to de-mesh again in the future, as the splines on the other end of the shaft which are supposed to hold it in place get loose over time. You can do a more permanent fix by riveting a piece of plastic or metal to the shell of the speedo (at the gear end) to hold the shaft in place.

cheers

James

Nov 27th, 2021, 18:25	#1
Joe Harding Premier Member Last Online: Yesterday 22:01 Join Date: Oct 2010 Location: Bristol	Jammed odometer Useful tip if your mileage and tripmeter go AWOL. I understand it’s a common fault. Well with a selection of screwdrivers you can take the instrument panel apart, dismantle the speedometer and check the worm drive to plain gear that drives the digits. On mine the plain gear had shifted down its shaft and was moving out of mesh with the worm gear. Took about an hour to sort out. __________________ "The more people I meet the more I like my God."

Mar 15th, 2022, 16:55	#3
foggyjames 300 Register Keeper Last Online: Yesterday 17:23 Join Date: Dec 2001 Location: Nottingham	The bad news is that it's likely to de-mesh again in the future, as the splines on the other end of the shaft which are supposed to hold it in place get loose over time. You can do a more permanent fix by riveting a piece of plastic or metal to the shell of the speedo (at the gear end) to hold the shaft in place. cheers James __________________ VOC 300-series Register Keeper '13 V70 D4 SE Lux '89 740 Turbo Intercooler '88 360 Turbo Intercooler '84 360 GLT '81 343 GLS R-Sport '79 343 DL '70 164

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