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MG MGA - rev counter

My rev counter has been eratic lately, bouncing about a bit at tickover, but recently wouldn't drop below 2000 when driving.
I have taken the cable out, cleaned the sticky old grease off, sprayed it with some silicone lubricant, and it seems better. However, when the engine is turned off, the needle sticks at the 500 mark.
I have searched the archives with no success. Any ideas?
Regards
Nigel
Nigel Munford

Your gauge needs to be overhauled. If you are good at intricate work, you can do it yourself. Here is a good article about disassembling and repairing Smith/Jaeger speedometers(tach is just like speedo without odometer).

If you are not sure of your ability, best to have it overhauled by an instrument shop. Haven't seen one recommended on your side of the ocean, but there probably is one there.
Jeff Schultz

Forgot to include the link. http://mywebpages.comcast.net/rhodes/speedo.pdf
Jeff Schultz

Also, the cable needs grease, not silicone spray.
Jeff Schultz

Thanks Jeff,
i thought I was being clever, using a modern silicone lubricant. Oh well.
Nigel Munford

This thread was discussed between 22/08/2007 and 23/08/2007

MG MGA index

This thread is from the archive. The Live MG MGA BBS is active now.