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

Rear Diff Gasket--question

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Old Feb 6, 2007 | 03:43 PM
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BigGrizz76's Avatar
BigGrizz76
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From: Colorful Colorado
Question Rear Diff Gasket--question

What up.

I got an oily-looking rear diff and I am going to replace the rear diff seal (at the same time I do the tranny pan, might as well get dirty all at once)...

my question is...

when I open up the rear pumpkin and scoop out all of the gunk...what else should I be looking for? I have no issues with the Ford 9" rear other than that wet look....but since I'll be in there anyway...

any advice would be appreciated.

peace,

Grizz
 
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Old Feb 6, 2007 | 03:57 PM
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From: LaFollette Tn
Hi BigGrizz76,you do realize that you will have to pull the axles out a ways to remove the center section on a 9" rear?

Leo
 
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Old Feb 6, 2007 | 04:00 PM
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From: Colorful Colorado
Really??? to remove the cover? I only want to replace the gasket to get it to stop leaking.
 

Last edited by BigGrizz76; Feb 6, 2007 at 04:08 PM. Reason: enter too quickly
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Old Feb 6, 2007 | 04:21 PM
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Sport45
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From: Too close to Houston
If it has a cover it's not a Ford 9". The 9" has a removable carrier and the guts come out all together from the front.

If it has a rear cover you don't need a gasket. Get the cover really clean and dry. Put a bead (1/8" to 3/16") of RTV on the face of the cover. Let it set for about 10 minutes while you're cleaning the mating flange on the housing. Install the cover and torque up in a criss-cross pattern and you're done.
 
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Old Feb 6, 2007 | 06:21 PM
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Check out this site.

http://www.badshoeproductions.com/rear.html
 
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Old Feb 6, 2007 | 06:44 PM
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From: Colorful Colorado
thanks Mil1ion...that is a good site...

so I am 100% positive that it is a Ford 9"...there is the oily look...

I thought that I could drop the drive line, pull out the pinion and then reseal the front where it bolts to the back...but that doesn't sound right from what I am hearing...

what the ballpark to get this rear end from leaking if done by a professional?
 
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