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General Questions General questions related to 1999-2007 Super Duty trucks. If it doesn't fit the other categories, post it here. Gas engine discussion that pertains to all models is allowed. Specific gas engine questions should use the Gas Engines forum.

       
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Old 06-12-2006, 06:51 PM   #1 (permalink)
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pinion seal leak HELP

pinion seal leaking, started today(BAD LEAK)
Question is do i have to pull the pinion out of the rearend to replace the seal 45000miles on truck
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Old 06-12-2006, 09:26 PM   #2 (permalink)
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Re: pinion seal leak HELP

On a dually, you only have to make an alignment mark on the driveshaft to yoke, remove the driveshaft, yoke, and replace the seal. Then reinstall the yoke, tighten the nut to 400-some ft. lbs. and reinstall driveshaft. Usually when I have done it however, I just use my good 1/2 or 3/4 impact, I don't even bother with a torque multiplier or trying to get out the 3/4 torque wrench. The pinion bearings are setup with a spacer to limit preload.

I have also seen on here frequently that most people have only paid around 100-140 bucks to have it replaced. I would recommend to check what your dealer will charge, and with that you should also get a warranty should it start leaking again after a short term.
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Old 06-12-2006, 09:47 PM   #3 (permalink)
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Re: pinion seal leak HELP

Dealer doing differential work [img]/ubbthreads/images/graemlins/vulnerable.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/sick.gif[/img]
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Old 06-13-2006, 07:26 AM   #4 (permalink)
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Re: pinion seal leak HELP

[ QUOTE ]
Dealer doing differential work [img]/ubbthreads/images/graemlins/vulnerable.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/sick.gif[/img]

[/ QUOTE ]

Dealer knowing how to do it [img]/ubbthreads/images/graemlins/vulnerable.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/biggrin.gif[/img] [img]/ubbthreads/images/graemlins/sick.gif[/img]

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Old 06-13-2006, 10:01 AM   #5 (permalink)
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Re: pinion seal leak HELP

My fear is the dealer telling me they know how to do it, but do they really?
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Old 06-13-2006, 02:45 PM   #6 (permalink)
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Re: pinion seal leak HELP

[ QUOTE ]
My fear is the dealer telling me they know how to do it, but do they really?

[/ QUOTE ]

The three I stopped at didn't!!! Two out west and one here in the south. Took a dedicated rear end shop and my mechanic of 30+ years to educate me on the proper procedure.
Smokeywren has the write ups on both the rears that come on our trucks, I'd give him a holler.

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