Question about Ford F-150
I recently bought a 1998 ford f-150 4x4 and the previous owner said that he had a transfer case replaced. the speedometer is way off, it gradually goes up ,but when you get up to around 20 mph it is pegged at 100 mph. is it something to do with transfer case or something else
Speedometer should either be in the transmission or the rear end. I have a 92 mines in the rear end . If in the trans there's a small plastic gear that works it . I'm not sure how it works in the rear end.
Posted on Nov 15, 2014
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Posted on Jan 02, 2017
You can try to fish it out with a mechanics magnet. It has a small magnetized end and telescopes in and out. You ca gat it at the auto parts store. If you can't get it out that way you will have to open up the transfer case. Hope this helps.
Posted on Mar 10, 2010
Disconect your battery cables and rub them together or step on the brake pedal for a couple of minutes to drain all residual voltage from the computers. Leave disconected for about 10-15 minutes reconect the battery and see if the speedo has normal operation, if not you need a new instrument cluster
Posted on Jul 21, 2010
Likely one of your Speed Sensors (VSS) is bad. Sorry I don't know WHERE these are located, but get on some of the Chevy Truck forums for answers.
Posted on Oct 10, 2012
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