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08-21-2016, 05:21 PM
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#1 |
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Registered User
Join Date: Dec 2015
Location: Sweet Home, Oregon
Posts: 14
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'70 K20 4x4 rear end shaft seal
'70 K20 4x4. Leaking oil from the input shaft in the rear end, so i'm planning to pull the yoke and replace the seal.
Trying to identify which rear end I have to that I can get the right seal ordered. I don't see any stamps or tags on the housing. Any identifying marks or features that I should look for? Thanks |
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08-21-2016, 05:43 PM
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#2 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,589
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Re: '70 K20 4x4 rear end shaft seal
__________________
- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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08-21-2016, 06:11 PM
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#3 |
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Registered User
Join Date: Aug 2004
Location: Eastern Shore VA
Posts: 366
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Re: '70 K20 4x4 rear end shaft seal
if it has a removable diff cover AND a removable third member like a ford 9" then its an Eaton (most likely whats in it) If it only has a removable diff cover then its most likely a Dana 60.
__________________
-j-rod '06 3500 LWB CC 4wd, 8.1 Allison |
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08-22-2016, 10:16 AM
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#4 |
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Registered User
Join Date: Dec 2015
Location: Sweet Home, Oregon
Posts: 14
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Re: '70 K20 4x4 rear end shaft seal
it does have a removable diff cover and third member, as jhama78 indicates. Pics attached.
Can you confirm that this is the Eaton rear end? Any way to tell which Eaton model or which gears are on it? Is this the stock/original rearend for this truck? |
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08-22-2016, 10:45 AM
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#5 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: '70 K20 4x4 rear end shaft seal
Yes, that is factory. Do you have optional gears listed on your SPID? No? I think 4.10:1 was standard.
__________________
My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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08-22-2016, 01:03 PM
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#6 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,589
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Re: '70 K20 4x4 rear end shaft seal
Yep, Eaton HO52. As noted above, 4.10 is the most common gearset.
__________________
- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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