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| | | | Joined: Feb 2012 Posts: 73 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2012 Posts: 73 | Hi:
I'm new to this forum. I just picked up a 62 Chev with a 235 and 3 speed manual. The speedo wasn't working when I got it and I found the driven gear was missing from the transmission. Of course it was extra long and a tough one to find.
Anyway, now I've got it all working, but in the morning, when it's really cold, my speedo makes a horrible whining sound and the needle goes crazy - up to 100 and down to zero and back.
Anyone got any ideas what's going on and how I can fix it?
Thanks!
Glen | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | The bushing the speedo is binding. Best fix would be to replace the speedometer head.
Bill Burmeister
| | | | | Joined: Feb 2012 Posts: 73 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2012 Posts: 73 | Thanks Bill.
Any idea where I get one and is it expensive? | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | You might check with some of the parts suppliers in the Links section. There's several of them that offer discounts to Stovebolt members. I had to replace the one in my '55, I seem to recall it was around $100 for a new speedo head. That did include the odometer, needle, and high beam indicator.
Bill Burmeister
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Looks like I may have spoken a little too quickly. Just from my quick search of 4 of the companies, only 2 list your speedometer. Seems it's only available as a reman, and it's around $200. Jim Carter was the higher of the 2, with no mention of a core, American Classic has is for about $15 less, but charge $50 if you don't sent in a core.
Bill Burmeister
| | | | | Joined: Feb 2012 Posts: 73 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2012 Posts: 73 | Thanks Bill. Here I go on another quest.  | | | | | Joined: Apr 2007 Posts: 456 'Bolter | | 'Bolter Joined: Apr 2007 Posts: 456 | Try pulling the cable out of the sheath and coating it with grease. This works every time for me to calm a jumpy speedo.
George | | | | | Joined: Sep 2011 Posts: 1,451 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 1,451 | If only does it when cold a good clean & lube both cable & head should do the trick.
BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022
| | | | | Joined: Feb 2012 Posts: 73 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2012 Posts: 73 | Thanks for all this advice guys! I'll start with a clean and lube and work toward more expensive alternatives as this unfolds.
Glen | | | | | Joined: May 2007 Posts: 1,718 Moderator: 60-66 Trucks; North Eastern Bolters | | Moderator: 60-66 Trucks; North Eastern Bolters Joined: May 2007 Posts: 1,718 | George, I put this on my list of things we can discuss. I do not have a good idea of what you mean. | | | | | Joined: Nov 2004 Posts: 1,552 Shop Shark | | Shop Shark Joined: Nov 2004 Posts: 1,552 | Over time, the slip-shaft inside the speedo cable jacket, gets corroded. I have found the best way to thoroughly lubricate a speedo cable is to spool it up and drop into a pan of ATF or clean motor oil and let it sit overnight. After a thorough soaking & wipe-down, install it. You won't have the objectionable noise any longer. | | |
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