'48 F4 pinion seal

Hivolt5.0

Senior Member
I'm restoring a '48 F4 and I discovered the pinion seal on the rear axle is leaking. How do you change it? I wasn't planning on taking the rear end apart because it seams to work fine but I would like to change out this leaky seal. Any advice would be greatly appreciated.

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Also, do any of you have any dust caps for these big trucks they'd like to sell? The ones I have are beat up bad. I'm gonna try to straighten them but I'm not sure how successful I'll be.

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thanks,
David
 
Take off the pinion nut, pull the yoke. Remove flange bolts and flange and the seal is right there. Don't know if the seal is a common type or special, probably common, measure the yoke for ID. most likely could use a speede-sleeve on the yoke.
Make a gasket, put 'er back together,,,,,
 
Take off the pinion nut, pull the yoke. Remove flange bolts and flange and the seal is right there. Don't know if the seal is a common type or special, probably common, measure the yoke for ID. most likely could use a speede-sleeve on the yoke.
Make a gasket, put 'er back together,,,,,

So the flange will slide right off the pinion shaft??? I didn't know if unbolting the flange would mess up the relationship between the pinion and ring gear.

Sorry for the novice questions.
 
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