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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Speedometer Blues

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Old Nov 15, 2003 | 12:20 PM
  #1  
Fully_Loaded's Avatar
Fully_Loaded
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From: Gulf Shores, AL
Angry Speedometer Blues

I need some help. I put another speedo head in my 91. It still bounces pretty bad at all speeds. The fluctuation is about 4-6 m.p.h. I have replaced the speed sensor and the cable. The only thing left to replace is the pinion and worm gear in the tail shaft. Could this be my problem. I stuck my finger in the hole where my pinion gear goes and the worm gear feels gooh however I can rotate the worm gear with my finger. The worm gear turns with the driveshaft so I do not know what the problen could be. Any help would be appreciated.
 
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Old Nov 15, 2003 | 04:30 PM
  #2  
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bourbon
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From: Champlin USA
what about replacing the speedometer gauge? you should also try bending the spedo cable one way or the other and see if that helps
 
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Old Nov 15, 2003 | 06:41 PM
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Fully_Loaded
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From: Gulf Shores, AL
I just replaced the whole head
 
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