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Old 04-09-2009, 09:20 AM
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Ford Nine Inch - Pinion Retainer Leak

I've got a slow leak between the pinion retainer and the center section case.

I understand I need to remove the five bolts holding the retainer on, my question is can I remove the yoke and pull just the retainer off to get to the o-ring or do I have to leave the yoke assembled and remove the whole assembly including the pinion? I have an exploded view of the 9", but can't tell which way to go.

I've got a solid spacer if that is any help. The center section was rebuilt about 6 months ago, I broke in the new gears and it has sat unused for the last 4 months. The guy who rebuilt it would fix it for me, but his turn around time is too long.

Some guidance would be greatly appreciated. Thanks

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Old 04-09-2009, 09:26 AM
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You can leave the yoke on and pull it out as a assembly.
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Old 04-09-2009, 09:30 AM
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Just make sure and keep track of the shim or shim's.After you change the O-ring,you can put a little sealer on the O-ring to help with any imperfections in the case.
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Old 04-09-2009, 09:42 AM
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Thanks for the quick reply.

Just to make sure I don't screw anything up:

1. I'll put the yoke on, torque to spec.
2. Pull the 5 retainer bolts
3. Pull out the assembly while twisting the yoke to unseat the pinion (do I have to watch for anything falling off or misaligning?)
4. Fix the O-ring (can I use RTV for this, the seal is new)
5. Drop the assembly back in
6. Torque 5 retainer bolts to spec
7. All done, drink a beer

Thanks, I obviously haven't done much work with center sections, so I appreciate the help.

(Didn't see your other post - THANKS!)

Last edited by JC6715; 04-09-2009 at 09:44 AM. Reason: Didn't see additional post
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Old 04-09-2009, 10:00 AM
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Beer? I'm only 40 minutes away maybe I need to give you a hand with that!
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Old 04-09-2009, 10:04 AM
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Quote:
Originally Posted by prostreet6t9
Beer? I'm only 40 minutes away maybe I need to give you a hand with that!
Ha! 80 minutes for A beer is quite a long time... Might have to make it two. Where abouts do you live?
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Old 04-09-2009, 10:05 AM
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I would pull the assembly out first:

Remove yoke.

Install your solid spacer. It's easier to set the preload with the pinion out.

Watch for your pinion shim or shims so you can install the same one's back,so your pinion depth stay's the same.

RTV would be fine,Just wipe the excess off so it look's nice.
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Old 04-09-2009, 10:09 AM
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Quote:
Originally Posted by JC6715
Ha! 80 minutes for A beer is quite a long time... Might have to make it two. Where abouts do you live?
Salem,Yea 80 minutes might be a 2 or 3 beer ordeal! If you run into any problems I will be up the next weekend for the gun show.
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Old 04-09-2009, 10:13 AM
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Quote:
Originally Posted by prostreet6t9
I would pull the assembly out first:

Remove yoke.

Install your solid spacer. It's easier to set the preload with the pinion out.
Damn, now you lost me... I thought that because I have the solid spacer, I don't have to worry about preload (where with a crush sleeve i would have to worry about preload)...
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Old 04-09-2009, 10:15 AM
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Quote:
Originally Posted by JC6715
Damn, now you lost me... I thought that because I have the solid spacer, I don't have to worry about preload (where with a crush sleeve i would have to worry about preload)...
Sorry,I thought you where removing the crush sleeve and Installing the solid space.My bad!

Just remove the assemby and leave the yoke on.
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Old 04-09-2009, 10:17 AM
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No need to remove the yoke for what your doing!
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Old 04-09-2009, 10:24 AM
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Quote:
Originally Posted by prostreet6t9
No need to remove the yoke for what your doing!

Ok sweet, I thought my easy little repair was going to get more difficult. Sounds like I'm up to the task for this...

Thanks for the help, I'll buy ya a beer if we ever bump into each other. I'll be driving a medium green metallic '67 Mustang coupe with 17" Hopsters and 315 BFG Drag Radials outback...
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Old 04-09-2009, 10:26 AM
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Remove the 5 pinion support bolt's.

remove assemby.

Remove old o-ring

Clean the oil off pinion support and case

Install new o-ring with sealer

Install assembly

Clean any excess sealer

Done!
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Old 04-09-2009, 10:32 AM
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Quote:
Originally Posted by JC6715
Ok sweet, I thought my easy little repair was going to get more difficult. Sounds like I'm up to the task for this...

Thanks for the help, I'll buy ya a beer if we ever bump into each other. I'll be driving a medium green metallic '67 Mustang coupe with 17" Hopsters and 315 BFG Drag Radials outback...
Ah man! If I'd known I was helping a Ford guy I would've told ya wrong! Kidding! Sounds Like a nice car! Your Welcome! If ya have any problems let me know and we will get it figured out.
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Old 04-09-2009, 10:37 AM
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Quote:
Originally Posted by prostreet6t9
Ah man! If I'd known I was helping a Ford guy I would've told ya wrong! Kidding!
Why do you think i waited to tell you I'm a Ford guy... You pesky Chevy guys are all the same... Kidding

Thanks again.
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