Going to try Speedometer #2
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Elder User
Joined: Oct 2016
Posts: 712
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From: Mesa, AZ
Going to try Speedometer #2
When I bought the truck the speedo didn't work (needle spun round and round), but the Odo worked fine. Replaced that with a used unit I found on Ebay...worked for a short period of time and now that speedo is sticking, but again, the odo works fine.
If the odo is working, no way it's the cable, right? Looks like the cable is almost new.
found another used one on ebay...will slap that one in and see if it's any better. While not difficult, I hate blowing the dash apart over and over again....
Is there anything I should be doing to these things before installing (like lubrication, etc)?
If the odo is working, no way it's the cable, right? Looks like the cable is almost new.
found another used one on ebay...will slap that one in and see if it's any better. While not difficult, I hate blowing the dash apart over and over again....
Is there anything I should be doing to these things before installing (like lubrication, etc)?
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
You're correct. If the odometer is working,there's nothing wrong with the cable or the drive/driven gear.
Speedometers are pretty simple inside, a spring, a magnet, a disc and the needle. Not all that much that can go wrong with them.
Usually all they need is cleaning and lubricating. The problem is, while in theory they're simple, they are a little tricky to disassemble and clean/lubricate properly.
I would clean and lube the replacement before you put it in. If you still have the original, you could practice the teardown/reassembly on that one first.
You could also use a drill motor to power the replacement to see if the needle motion and sweep are smooth.
Speedometers are pretty simple inside, a spring, a magnet, a disc and the needle. Not all that much that can go wrong with them.
Usually all they need is cleaning and lubricating. The problem is, while in theory they're simple, they are a little tricky to disassemble and clean/lubricate properly.
I would clean and lube the replacement before you put it in. If you still have the original, you could practice the teardown/reassembly on that one first.
You could also use a drill motor to power the replacement to see if the needle motion and sweep are smooth.
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