speedometer mph 10mph off!
05-20-12 | 07:45 PM
#1
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Driver School Candidate
Joined: May 2012
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From: ms
speedometer mph 10mph off!
hey guys my speedometer is off by about 10mph on my 1995 sc300. Also sometimes the needles will stick and a light tap on the dash will free them up. Is there a way to calibrate it? A new speed sensor? A new cluster? any help would be appreciated!
05-20-12 | 08:18 PM
#2
As far as I know, there's no permanent fix to "sticking" needles. I'm pretty sure a lot of people here are experiencing that, and quickie fixie is to tap it lightly and it works perfectly again. My speedo is also off by 5mph, but that's because I have 19" wheels. You must be riding donks for a 10mph difference, lol! Jk
05-20-12 | 09:03 PM
#3
Driver
Joined: May 2012
Posts: 173
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From: TX
If you are running aftermarket wheel and tire sizes, then you should check out this calculator:
http://1010tires.com/TireSizeCalculator.asp
http://1010tires.com/TireSizeCalculator.asp
05-20-12 | 09:48 PM
#5
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From: East Bumble F, NJ
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05-20-12 | 10:44 PM
#8
Driver
Joined: May 2012
Posts: 173
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From: TX
The most popular way, and also the most dangerous IMO, people seem to calibrate their speedos to drive at a known speed (probably by using a GPS sysem) and adjust the needle. The dangerous part is that the car is moving and your attention is not on the road. This is a method I do NOT endorse, nor recommend.
However, using a handheld drill at a fixed speed, one could calculate what the speed of the drill is turning by timing how long it takes to clock off a mile, or two, or more on the odometer. 60 divided by the time it took to go a mile should give you a reasonably accurate speed of the drill. Now adjust that needle to the calculated speed. That is the safe way to do it.
However, using a handheld drill at a fixed speed, one could calculate what the speed of the drill is turning by timing how long it takes to clock off a mile, or two, or more on the odometer. 60 divided by the time it took to go a mile should give you a reasonably accurate speed of the drill. Now adjust that needle to the calculated speed. That is the safe way to do it.
05-21-12 | 08:22 AM
#9
Mine is off due to the swap and the replacement of new needles from Lextech. There is no method that i am aware of to caliberate the cluster. Contact OLT by PM and see if he can shed some light. GL
05-21-12 | 05:47 PM
#10
^ Wouldn't hurt to mention you got needles and stuck them on, not had the cluster rebuilt or sent in. Doesn't sound like it is the way it was said.
OP: You'll need to replace that cluster motor if it is dragging and sticking.
OP: You'll need to replace that cluster motor if it is dragging and sticking.
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