Ford 9" leaking on both sides of the pinion retainer - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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  #16 (permalink)  
Old 09-19-2011, 11:14 PM
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Quote:
Originally Posted by adam83
oh crap... I dont know what pre load is...
Preload is how much effort it takes to turn the pinion yoke. It needs to be correct or you could end up with brg problems.

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  #17 (permalink)  
Old 09-20-2011, 12:20 AM
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Is this something I can easily F-up even if Im being careful? I've been watching videos on youtube to see what you're talking about, and it looks like I'll need a special wrench to hold the flange while I tighten/untighten the pinion nut? then I'll need a inch/pound torque wrench to make sure the preload is at a certain spec?
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Old 09-20-2011, 05:46 AM
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I guess we need to eddicate you. Here is one of many on the internet. Some are good, others baaaaad.

http://www.ford-trucks.com/article/i...ear_Setup.html
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  #19 (permalink)  
Old 09-20-2011, 09:53 AM
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ok, so I skimmed it, but it doesnt get to the part about how to set preload on the pinion nut
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Old 09-20-2011, 10:48 AM
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You can put the pinion yoke in the vice to hold it. Set it in the vice with the yoke facing up and the pinion support below the vice so you can spin it. Just tighten the nut JUST A TAD TIGHTER than it was. When your done you want to be able to feel a SLIGHT drag with NO play in the Brgs.

Remove the 5 pinion support bolt's.

remove assembly.

remove pinion yoke and seal

Remove old o-ring

Clean the oil off pinion support and case

Install new seal.

Install yoke as noted above

Install new o-ring with sealer

Install assembly

Clean any excess sealer

I changed it for ya
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  #21 (permalink)  
Old 09-20-2011, 12:51 PM
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alright.. if I dont post back, it's because everything went all wrong and I had a major heart attack
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Old 09-20-2011, 02:42 PM
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alright.. if I dont post back, it's because everything went all wrong and I had a major heart attack

I will call 911 for ya Kidding

If you run into problems post back and we'll get it figured out.
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