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Joined: Feb 2007
Posts: 437 Likes: 1
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Feb 2007
Posts: 437 Likes: 1 |
Under acceleration my speedometer needle jams up until acceleration is paused. Now things are getting more serious as the needle stays jammed when acceleration has been paused until I bang the dash. What is causing this issue and how can it be corrected? It was working well before this. It may need a cleaning. Are there any instructions as to how to clean a speedometer? Cannot locate a business that deals with classic speedometer in Canada. Cross border shipping can be quite costly.
Last edited by 1931Roadster; 08/25/23 02:33 PM.
Paul
If it isn't broken, fiddle with it anyway so you have something to repair.
1931 Deluxe Sport Roadster
1953 BelAir 4 dr. Sedan
1965 Chevy II Nova SS
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Joined: Jan 2006
Posts: 7,046 Likes: 107
Hall Monitor ChatMaster - 7,000
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Hall Monitor ChatMaster - 7,000
Joined: Jan 2006
Posts: 7,046 Likes: 107 |
I would start by lubing the cable. If that doesn't fix it remove the speedometer and lube the wick (my term, don't know what it's officially called) with light machine oil. If that doesn't fix it send it off to be rebuilt.
Last edited by Tiny; 08/25/23 04:00 PM.
VCCA Member 43216
Save a life, adopt a senior shelter pet.
1938 HB Business Coupe
1953 210 Sedan
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1 member likes this:
Harpo |
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Joined: Oct 2010
Posts: 1,005 Likes: 5
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Oct 2010
Posts: 1,005 Likes: 5 |
My speedometer was jumping up and down at speeds over 40 mph. I installed a NOS cable but did not grease it. I removed the cable from the back of the speedometer. I cleaned up all of the old grease with rubbing alcohol and then I greased it. This is what Chevy Nut Gene Schneider recommended: " If you use a thin grease, use a very light coat only on 1/3 of the lower part. Too much can find its way into the speedometer head. Oil will also be OK as it will soften the old dried grease."
My speedometer works great now. I would try this just to see if your problem goes away. If it's in the speedometer itself,
the only repair person I have heard of is Bob's Speedometer Repair in Howell Michigan. Good Luck.
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