BucketTrucker688 Posted October 13, 2015 Share Posted October 13, 2015 Speedometer works & the odometer flat out quit working. The pin for the speedometer jumps about 5mph of where its suppose to be. Can this be fixed or do ii need to start at 0mi again with a new one? Quote Link to comment https://www.bigmacktrucks.com/topic/42184-r-model-mechanical-odometer-failure/ Share on other sites More sharing options...
alex g Posted October 13, 2015 Share Posted October 13, 2015 I had speedo problem too where it jumped I ended up replacing. I'm not sure how to fix but for the effort it's probably easier to replace Sent from my SM-G386W using Tapatalk Quote Link to comment https://www.bigmacktrucks.com/topic/42184-r-model-mechanical-odometer-failure/#findComment-307328 Share on other sites More sharing options...
41chevy Posted October 13, 2015 Share Posted October 13, 2015 Generally easier to replace the speedometer the drive unit is most likely worn, no re builders around any more. Also lube the speedometer cable before re assembling, just don't over lube it. Paul Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/42184-r-model-mechanical-odometer-failure/#findComment-307332 Share on other sites More sharing options...
alex g Posted October 13, 2015 Share Posted October 13, 2015 I forgot about lubeing the cable I use the same prelube as for cams and lifters seems to work wellSent from my SM-G386W using Tapatalk 1 Quote Link to comment https://www.bigmacktrucks.com/topic/42184-r-model-mechanical-odometer-failure/#findComment-307334 Share on other sites More sharing options...
BucketTrucker688 Posted October 14, 2015 Author Share Posted October 14, 2015 While we are talking cables, does any one know what the proper black plastic adapter that comes with a new cable is to use, I believe the adapter for the speedometer is OK in my truck but I have a feeling my tach cable has the wrong one as my hours on the hour meter never add up...seems like its well behind. Quote Link to comment https://www.bigmacktrucks.com/topic/42184-r-model-mechanical-odometer-failure/#findComment-307394 Share on other sites More sharing options...
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