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4R70W Rebuild Diary, Part 16 - Output Shaft Speed Sensor

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Glacier991

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1992 XLT
The 4R70 has one external case sensor (if we choose not to call the digital range sensor a "sensor" per se.) and that is the OSS or output shaft speed sensor.

It's pretty plain Jane. I still have the case on the stand, and I have turned it sideways. First I add a little vaseline to the bore so the O-rings will slide in easily....

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Here is the FORD part # for a new one.. they run about $15

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anyway... then I put the sensor in place...

DSCN7113.JPG


add the securing bolt...

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torque it tight....

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and voila! ......OSS.

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I may add a little dialectric grease into the fitting and onto the pins... we shall see... I'll come back and explain hows and whys if I do.

Short Thread. Eh ?
 




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