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08-04-2016, 01:55 PM
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#1 |
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Moderator
  
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Rear Axle Seal Help
I'm putting a 5 lug rear axles, differential etc in the rear end of my 1964 C10 WC housing, 2wd. It seems the axle seals don't go in properly and stay in.
I had to use a seal puller when I removed the original 17 spline seals. Anyone know if the 64 had a one off axle seal? Seems like the area the seal sits in is cone shaped. . .
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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08-04-2016, 07:48 PM
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#2 |
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Registered User
Join Date: Feb 2009
Location: Bakersfield, CA
Posts: 89
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Re: Rear Axle Seal Help
The GM 12 bolt differentials started in 1964 until they we replaced by 10 bolts in the 1980's. All the 12 bolts were the same on bearings and seals except for the starting year. The 1964 had a taper different axle seal. Try this part number Timkin 8477s. This is for the coil suspension differential. Double check in the parts book can't check right now on vacation. Good luck Poppy
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08-04-2016, 08:08 PM
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#3 |
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Moderator
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: Rear Axle Seal Help
Thank you for the information. Learn something every day.
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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08-04-2016, 09:22 PM
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#4 |
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Check The Champ, Demonstrator
 
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: Rear Axle Seal Help
12 bolt truck diff started in 63! Something else new to learn.
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1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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08-05-2016, 01:07 AM
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#5 |
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60-66 Nut
 Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Rear Axle Seal Help
The GM truck 12 bolt was used in the C10's from '63-'82. The '63 12 bolt had pressed on backing plates. I believe the '63 and '64 12 bolt used a different axle bearing and seal than the '65+.
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08-05-2016, 06:44 AM
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#6 | |
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Moderator
Join Date: Aug 2011
Location: China Spring, TX
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Re: Rear Axle Seal Help
Quote:
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Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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