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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

pinion bearings

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Old Aug 26, 2014 | 01:51 PM
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RadioControlGuy85
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pinion bearings

hey guys.

other day we found out the pinion bearings have went.

question is.

what way do the bearing come out?

do they come out front inside the pumpkin?
 
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Old Aug 26, 2014 | 02:26 PM
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CountryBumkin
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On the Dana 60 differential, the inner (pinion "teeth" end) bearing comes out from the inside and the outer bearing comes off from the outside.
Meaning you remove the pinion yoke, seal and outer bearing , then remove ring gear/carrier, the pinion comes out then you can replace the inner pinion bearing.

If you have the Ford 9" differential, you can remove the pinion with both bearings from the front of the differential. The pinion assembled in a "pinion retainer" and comes out in one piece.
 
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Old Aug 27, 2014 | 07:14 AM
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my bad.

its a 85 f150 with a 8.8 rear end 10bolt.
 
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Old Aug 27, 2014 | 12:05 PM
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Be sure to replace both cone(bearing) and cup(outer race) as units. Never mix used and new.
 
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Old Aug 29, 2014 | 04:09 PM
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Originally Posted by Rovernut


Be sure to replace both cone(bearing) and cup(outer race) as units. Never mix used and new.

thanks Rovernut. totally forgot about the digrams.

question.

do we have to worry about preload???

and what should the torque be on the nut?
 
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