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02-21-2021, 08:08 PM | #1 |
Active Member
Join Date: May 2019
Location: OXFORD, CT
Posts: 120
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Eaton HO72 Axle Shop Manual
Good day all! Could someone direct me to a repair manual for the HO72 Axle? I want to replace my leaky pinion seal but cannot undo the large yoke nut. Yes, I did get the rusty cotter pin out completely and yes, I do have the leverage and correct socket, which I ground the OD to fit into the yoke and get full engagement on the nut. Thinking I can undo the flange bolts and pull out the pinion gear together with the pinion bearing but want to be sure there's nothing else like a snap ring or circlip holding it together. Thanks!
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02-21-2021, 08:26 PM | #2 |
Senior Member
Join Date: Dec 2009
Location: TN.
Posts: 8,415
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Re: Eaton HO72 Axle Shop Manual
Here is a thread that I hope will help you.
In the link below. If the answer is not there I will help you search the forum for another. H072 or H052 will bring a lot of info to the top. Hope this helps Maybe someone else will chime in. Link: https://67-72chevytrucks.com/vboard/...highlight=ho72 .
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02-23-2021, 09:04 PM | #3 |
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Join Date: May 2019
Location: OXFORD, CT
Posts: 120
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Re: Eaton HO72 Axle Shop Manual
Yes thank you that link was very helpful. I read through the link you sent and all the Pirate 4x4 postings on the H072 as well. Based on the info I read there, I pulled of the bearing retainer and pinion gear out. I found that the PO had been in there, lots of orange RTV. The flange nut was hacked up with a chisel and the pinion support bearing (the small one) had disintegrated, galling the bearing surface on the pinion gear. I have a very nice spare center section that I will put in for now but unfortunately it's got 5.13 gears, so the 4WD lever will be off limits until I can find another one... Thanks again!
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02-27-2021, 12:39 AM | #4 | |
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Join Date: Jan 2017
Location: Los Osos Ca
Posts: 560
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Re: Eaton HO72 Axle Shop Manual
Quote:
Tom
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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02-27-2021, 01:56 PM | #5 |
Active Member
Join Date: May 2019
Location: OXFORD, CT
Posts: 120
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Re: Eaton HO72 Axle Shop Manual
Thank you for your note. I will PM you separately with parts requests. I will probably need a few things. Stay safe!
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