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1. Smith Speedometer Repair Shops

Jul 04, 2009  Re: Recommendation for Smith gauge repair? This is a really messy job so be aware of seats, upholstery, etc. As you remove/install the inner cable. I loop it as I pull it out and lube it WELL away from anything but the floor, re-coil it and reinsert carefully with a LOT of paper towels to hand.

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Smith Speedometer Repair Shops

I currently rely more on my tachometer to let me know the correct speed (I used my wife's GPS to calibrate it.) I ended up using parts from two speedometers to get this to work as good as it does. I replaced the speedo cable and that is still not helping the problem.

Can someone recommend a repair place they were happy with? What is a reasonable price to get this thing repaired? I don't know if it makes a difference, but the gauge itself lookss next to new.

Also, can someone tell me if switching tire size effects speedometer readings? Thanks, Kevin. Please do not send the unit to a hair salon. If you're feeling crafty & bold, it is pretty easy to take that unit apart and perform basic service yourself. The instructions are here: A bouncing needle is usally (but not always) the cable's fault.

One exception (if you have satisfied yourself that it is not the cable) is some dirt or oil or such causing slight interference between the drag cup and the spinning magnet. I mention this because the services suggested (though very good by most accounts) are far from cheap and if (as you say) the unit looks next to new it may not need the full treatment they do. Sent my tachometer to MO MA mfg. In Alburquerque, both on recommendation and proximity. They did an excellent job and the turn around was remarkably fast, even considering that they're in my state.

Will try again to get the web address, the one I first posted was a hair salon. Still no luck on a web site, but they do have an e-mail address. There are other posts here that have more information as well as recommendations.

I sent my speedo and tach to MOMA and they did an excellent job on both. Turn around was quick too. Thanks for the suggestions. I saw all of the shops mentioned, but I have always done better to go by personal recommendations from this site. Thanks for narrowing down my choices. You weren't kidding on BPNW, Don. I ordered something and had it on my doorstep in less than 24 hours using regualar UPS!

I know what you mean about the cable. I have installed a number of speedo cables in American cars with no problem, but I have had a heck of a time putting them in a TR6. I ruined the end on the first one I installed also. PWAR, you mentioned that you rebuilt yours for $30. Where did you purchase the kit?

Is this something a novice can do? Will it correct the bouncing needle? I have visited the sites you have all suggested. The price is comparable to some to the NOS I see for sale. I read that the magnetism can deteriorate over time in TR6 speedometers - is this correct? Would buying a NOS make sense if it was the same as the cost to get it repaired?

I think I am going to order one more cable and see if it makes a difference. I am not sure I trust the installer (me), but it is worth one more shot.

I checked the pinion gear, so I know it is the cable or speedometer. Any more thoughts on this matter? From the instrument end pull the inner cable out and coat it liberally with good wheel bearing grease (I use a 'red' Selig product but any good bearing lube should work). Reinsert it and try it out.

I think you may be experiencing 'whip' in the inner cable. Another thing is: attach the cable sheath to the chassis anyplace it has a lot of opportunity to flop about.

Try tie-wraps and lash it to hard lines or other mounted stuff along its routing. Make sure there are no hard 'kinks'.

Nice gentle radii at all places where it bends.