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09-21-2015, 01:10 PM
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#1 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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12 bolt 4:10 rear end!
I started on the rear pinion seal leak this morning. I jacked the drivers side up and put stands under it. Safety first. I marked everything so I can put everything back as it was. I counted 2.5 threads on the nut and I center punched all the parts to line back up. I took the drive shaft loose and put a 2x4 over the trailing arms to hold it up out of the way. I used my 18volt impact to get the pinion nut off which was pretty easy. I got everything took a part and cleaned up ready to reinstall. I'm waiting to pick up the new seal at O-Reilly's @2pm. Hopefully I'll be done this afternoon and post finshed pictures.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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09-21-2015, 01:16 PM
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#2 |
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Keepin an eye out
Join Date: Feb 2003
Location: So.Cal
Posts: 3,921
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Re: 12 bolt 4:10 rear end!
Good work! I have those same Magnaflows on my truck/
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1970 Chevy C10 SWB 5.3 1996 Toyota Tacoma SR5 4x4 2007 Vespa GTS 250 Scooter ZIP 91351 |
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09-21-2015, 01:20 PM
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#3 | |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: 12 bolt 4:10 rear end!
Quote:
I really like those Magnaflows. They sound great when you get on it good!
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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09-21-2015, 04:07 PM
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#4 |
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Senior Member
 
Join Date: May 2013
Location: Lino Lakes, MN
Posts: 362
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Re: 12 bolt 4:10 rear end!
May I suggest one of these when you reassemble the rear?
It will be a great upgrade. http://www.ebay.com/itm/SK-CSGM12T-C...item2a31feaae3
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Chad '71 GMC 2500 Custom Ol Blue '72 Custom Deluxe Highlander Stuffed Olive '73 Trans Am '13 Silverado 2500 Duramax Storm Trooper |
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09-21-2015, 04:15 PM
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#5 | |
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Registered User
Join Date: Oct 2012
Location: Green Valley Arizona
Posts: 1,351
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Re: 12 bolt 4:10 rear end!
Quote:
Thanks
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1970 C10 Short Stepper with 71/72 front clip. Last edited by BugzC10; 09-21-2015 at 04:23 PM. |
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09-21-2015, 04:26 PM
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#6 | |
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Registered User
Join Date: Oct 2012
Location: Green Valley Arizona
Posts: 1,351
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Re: 12 bolt 4:10 rear end!
Quote:
Doing the same...had my drive shaft balance and U-joints replaced since I had it apart and I'm eliminating vibrations. Next will be Road Force wheel balancing.
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1970 C10 Short Stepper with 71/72 front clip. |
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09-21-2015, 04:51 PM
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#7 | |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: 12 bolt 4:10 rear end!
Quote:
It's just like you do with a Dana. They shim all the bearings.
__________________
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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09-21-2015, 06:08 PM
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#8 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: 12 bolt 4:10 rear end!
69 MOD,
if I had pulled the whole rear end a part I would have but seeing how all I did was pull the yoke and seal I don't think it was worth the trouble. I already finished it up and drove it about 5 miles to the trash dump. No problems and no noises either. Ran good and smooth. I put everything back just like it came a part. I did tighten the nut just past my marks though. I pressure washed it off also after I got done.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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