Removing speed sensor
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Joined: Jan 2006
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Removing speed sensor
Can someone help me out please. I'm trying to replace the VSS (?) sensor that is mounted on the rear axle of my 92 F250 4X2. I know I'm about half blind, but for the life of me I can't seem to see how it is mounted. What do I need to remove to get the sensor off? Pictures are always welcome. 
More Turbo
Joined: Dec 2003
Posts: 620
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From: Missouri - Lake of the Oz
"sensor"ations
The VSS (which supplies a signal to the PSOM as well as to the ABS) is attached to the top of the rear axle differential housing with a small bolt threaded into the differential casting. Shop manual instructions say to remove the wiring harness connector, then remove the hold-down bolt and slide the housing up from the rear axle housing. Upon reassembly, first inspect the O-ring and replace if damaged. Lightly lubricate the O-ring first with motor oil. Be sure to clean the mounting surface and make sure that it is free of any metal particles which could lead to erratic functioning of the speedometer and/or the ABS. Install the hold-down bolt and tighten to 25-30 lb-ft.
I hope this helps!
dn.
I hope this helps!
dn.
Thread Starter
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Senior User
Joined: Jan 2006
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Thanks, I guess my problem was that I couldn't find that small bolt. I looked all over and around the sensor but couldn't see the bolt you're talking about. Is it in any particular place? Maybe if I get some better light up under there I'll be able to see it. Like I said, I've got old eyes now, can't see as sharp as I use to.
