Speedometer bouncing

Tiny
HELPMECHANIC2007
  • MEMBER
  • 1995 FORD F-150
  • 6 CYL
  • 4WD
  • MANUAL
  • 115,000 MILES
I am having a bit of trouble locating the part(vehicle speed sensor )PLEASE HELP:) :) !
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Wednesday, October 30th, 2019 AT 5:33 PM (Merged)
Tiny
INDYUKE
  • MEMBER
Should be on the tranny tailshaft, driver's side.
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-1
Wednesday, October 30th, 2019 AT 5:33 PM (Merged)
Tiny
96FORD
  • MEMBER
Its on your rearend thats what the plug is for.
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Wednesday, October 30th, 2019 AT 5:33 PM (Merged)
Tiny
PATRIOTKS
  • MEMBER
  • FORD F-150
My 95 Ford F-150 with 230,000 miles still runs great! Only problems have been pilot bearing between motor and transmission and concentric slave cylinder on the clutch a few times. I hear the engines on these can last for 4-500,000. This recent problem started and I decided on the speed sensor to find that it was dented. Checked the differential and found clutch plates were broken and I rebuilt the differential and put in a new speed sensor. I noticed the (encoder wheel?) For the speed sensor has one tooth that was rolled over and did not bend it back into place for fear of breaking it off. Is this a likely cause? Should one tooth cause this trouble? The tooth is still there, just bent a little over so it is not exactly in the right place. A piece of one of the clutch plates must have bent it. The new speed sensor was black and was shaped like the body of a torx bit driver instead of like the old one with a tin can look. Could I just have the wrong speed sensor? With the speedometer jumping and the brakes pulsing I figure it has to be something involving both since they started simultaneously!
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
CRANKSHAFT
  • MEMBER
You have the wrong part
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
PATRIOTKS
  • MEMBER
I talked to the Ford garage about this and they say I have the right part. They say I should change the encoder wheel.
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
BEARCATRIDER
  • MEMBER
  • FORD F-150
I replaced the speed sensor (rear differential) on my 95 Ford F150 5.0 l. 200,000 k. The speedometer now works but is very jumpy. Is there any way to correct this? Prior to the sensor failing the speedometer worked fine and was stable at all speeds.
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
SLS195
  • MEMBER
Hi, Your problem maybe your speedometer gear on your speed sensor. It maybe chewed up. Try replacing it and see waht happens. If it does it again then you may need to go back to your original speedo gear (stock). If you have a speedo cable, check to see if its binding or if the actual cable is broken inside.
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
GARYL
  • MEMBER
  • FORD F-150
What could possibly be wrong with the speedometer in a F-150, 4x4, 1995, 351. Speedometer jumps from 20 to 40 regardless of speed. We have changed the cluster in the dash and speed control sensor in the rear end. Traced wires from speed control sensor in the rear end to where it enters the cab and everything checks ok there. Cannot trace from entering cab to cluster. Does this go thru the ABS controller and where can it be found and will this affect the transmission shifting? Truck is equipped with a E40D transmission and does not have any cables or sensors from speedometer to transmission.
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
BMRFIXIT
  • EXPERT
Hello
Check ring gear in the rear end
Scan the pcm check the speed on your scaner
That will help you to pin point the troble area (if the scaner doing the same the problem may be in the back if not the you got a bad cluster )
Good luck
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Wednesday, October 30th, 2019 AT 5:34 PM (Merged)
Tiny
GARYL
  • MEMBER
We have put 4 different rear ends and 4 different clusters in this truck and it still has the same problem. Refreash my memory about a PCM. Thanks
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Wednesday, October 30th, 2019 AT 5:35 PM (Merged)
Tiny
DAVEFREE2
  • MEMBER
  • FORD F-150
I have a 1996 f150 with 161223 miles it is a 4.9l
5 speed manuel trans. 2wd. The sppedometer needle keeps wavering when driving. The instrument cluster and speed sensor in the rear were already replaced. Any other ideas would be grateful.
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Wednesday, October 30th, 2019 AT 5:35 PM (Merged)
Tiny
BMASTERJERRY
  • MEMBER
If it has a mechanical cable that connects the two it needs to be pulled apart and lubed.
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Wednesday, October 30th, 2019 AT 5:35 PM (Merged)

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