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GM 10 Bolt Rear End Rebuild Part 1

This is (Episode 5) of the #ETCGDadsTruck Series.

In this installment of the #ETCGDadsTruck series I rebuild the axle assembly and differential in my GMT400 with a 10 bolt rear end (8.5”). This includes replacing the gear set, the differential (with limited slip), axle bearings, pinion bearings, differential bearings, and all seals. It includes all the tools and torque specs you will need. I also show you how to check and set backlash and interpret a gear tooth pattern.

As usual there are some bumps in the road, but I’m able to overcome them. Well, most of them.

This video will apply to all GM 10 bolt or 8.5” differentials.

#ETCGDadsTruck Axle/Differential Rebuild (Part 2):

#ETCGDadsTruck Axle/Differential Rebuild (Full Version): https://www.ericthecarguy.com/exclusive-videos/73-exclusive-videos/2341-etcgdadstruck-axle-differential-rebuild-full-version-exclusive-video

Camera: Brian Kast, Eric Cook

My Patreon Account: https://www.patreon.com/EricTheCarGuy

The best place for answers to your automotive questions: http://www.ericthecarguy.com

Check out the ETCG Blog for the latest info: https://www.ericthecarguy.com/blog

Check out my ETCG1 channel: https://www.youtube.com/user/ETCG1?sub_confirmation=1

Summit Racing: https://www.summitracing.com

Thanks for watching!


GM GovLock (G80): https://www.autoevolution.com/news/a-simple-guide-to-the-g80-locking-differential-94874.html

Part Links

My Differential: https://www.summitracing.com/parts/aub-542022/overview/year/1990/make/chevrolet/model/c1500

My 3:73 Gear Set: https://www.summitracing.com/parts/sum-741001

My Differential Cover: https://www.summitracing.com/parts/sme-8510300nl

Ratech Ring and Pinion Installation Kit: https://www.summitracing.com/parts/rat-3003k

Truck Axle Bearings (WE60690)(513067): https://www.ebay.com/p/Wheel-Bearing-Rear-BCA-Bearing-WE60690/179139001?iid=311938365287&chn=ps

Axle Seals (F4762N): https://www.ebay.com/itm/Federated-F4762N-CR-16146-Oil-Seal-/172801509640


Slide Hammer with Axle Bearing Attachments: https://www.jbtoolsales.com/otc-6540-rear-axle-bearing-puller-set#oid=1002_1

Axle Bearing Puller Attachments: https://www.jbtoolsales.com/atd-tools-8621-rear-axle-bearing-puller-set#oid=1002_1

Astro Pneumatic Bushing/Seal Driver Kit: https://www.jbtoolsales.com/astro-pneumatic-7824-bearing-race-and-seal-driver-set#oid=1002_1

Dial Indicator Set (Checking Backlash): https://www.jbtoolsales.com/central-tools-3d102-dial-indicator-set-with-on-off-magnetic-base#oid=1002_1

Bleepin Jeep Pinion Tool: https://store.bleepinjeep.com/product/yoke-wrench-tool/

Shim Installation Tool: https://www.summitracing.com/parts/yga-56077?seid=srese1&cm_mmc=pla-google-_-shopping-_-srese1-_-yukon-gear-axle&gclid=CJ6Dj-DSxc0CFQgaaQodKbgFjA

Milwaukee 1/2” (the big one): https://milwaukeetool.com/Products/Power-Tools/Fastening/Impact-Wrenches/2863-22

3/8” Electric Impact: https://www.jbtoolsales.com/ingersoll-rand-w5132-k12-iqv20-3-8-drive-impactool-bl2022-kit#oid=1002_1

Trusty Cook Hammers: https://trustycook.com

1/2” Breaker Bar: https://www.jbtoolsales.com/k-tool-23081-chrome-breaker-bar-1-2-drive-24-long#oid=1002_1

Torque Wrench: http://www.rakuten.com/prod/282405511.html

Related Videos:

Introduction to #ETCGDadsTruck Build (Episode 1):

#ETCGDadsTruck 4” Rear Suspension Drop (Part 1)(Episode 3):

#ETCGDadsTruck 4” Rear Suspension Drop (Part 2) (Episode 4):

#ETCGDadsTruck Gets Wheels & Tires (Episode 2):

Ford 8.8 Assembly and Set Up (Part 2):

Ford 8.8 Assembly and Set Up (Short Version):

How To Clean and Prep a Differential:

Things You Should Know About Differential Gears:

Quick and Easy Way to Determine Gear Ratio:

Honda Element/CRV Lower Control Arm Bushing Replacement:

end faq

The #FairmontProject Playlist: https://www.ericthecarguy.com/fairmont-videos

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end faq

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Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy®.