How to: Rebuild a GM 8.5in 10 bolt rear differential - Start to finish rear end rebuild in 7 min!

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  • เผยแพร่เมื่อ 25 ธ.ค. 2024

ความคิดเห็น • 112

  • @mikegoodell9203
    @mikegoodell9203 4 หลายเดือนก่อน +39

    I have been a mechanic for 25 years and have done hundreds of these ring and pinion gear jobs and in my personal opinion.. with someone such as your self that had never done this before I say you did a pretty dang good job buddy checking back lash and pre load and that pattern was perfect buddy right in the middle is where you want it excellent video and explanation of what was being done congratulations man

    • @craftzmanchris9859
      @craftzmanchris9859  4 หลายเดือนก่อน +2

      Thank you Sir! I appreciate the kind words!

  • @jodyclancy5995
    @jodyclancy5995 11 หลายเดือนก่อน +19

    Thank you for going out of your way and make a video to save us some frustration, I looked at so many trash videos before I found yours, and yes they were a waste of time, you nailed it!

    • @craftzmanchris9859
      @craftzmanchris9859  11 หลายเดือนก่อน

      Thank you! I appreciate the positive feedback!

  • @ScottClevelandmi
    @ScottClevelandmi 4 วันที่ผ่านมา

    I have heard forever that rebuilding differentials are quite a fastidious process. You've definitely taken a lot of the mystery out of this.

  • @BenCDawson
    @BenCDawson ปีที่แล้ว +24

    Man, I'm someone with zero knowledge about car assembly but this video was incredibly clear, just watching here I was quickly able to absorb a significant amount of useful information. Good job on the video and thank you for the knowledge boost.

  • @sacgrown916
    @sacgrown916 3 หลายเดือนก่อน +6

    I was going to attempt a rebuild on my blazer, after viewing this i decided im not bout that life. Ill get it done by someone who knows. haha. But you beasted on the video. Great work!

  • @darylkesler8470
    @darylkesler8470 6 หลายเดือนก่อน +7

    I love the no B.S approach to this video. it really is better that a 4 part tutorial like most! Well done

    • @craftzmanchris9859
      @craftzmanchris9859  6 หลายเดือนก่อน +1

      Thank you. Thank was my goal. I appreciate the kind words.

  • @Abealvarez16
    @Abealvarez16 5 หลายเดือนก่อน +5

    Get this man a beer!!! Saved me a bunch of time and frustration. Best video by far.

    • @craftzmanchris9859
      @craftzmanchris9859  5 หลายเดือนก่อน

      Thank you! I appreciate the kind words!

    • @andrewgibson1991
      @andrewgibson1991 5 หลายเดือนก่อน

      Amen man really great content

  • @ryandavis9974
    @ryandavis9974 2 หลายเดือนก่อน +1

    Thank you for making this video. I'm a marine mechanic who has rebuilt multiple lower gear units over 20 years. I've never taken on a rear-end rebuild. My 86 square body needs some attention, and I know I'm capable, and this video is perfect thank you

    • @craftzmanchris9859
      @craftzmanchris9859  2 หลายเดือนก่อน

      No problem! Glad it helped. Thank you for the kind words.

  • @timmcdaniels7083
    @timmcdaniels7083 5 หลายเดือนก่อน +3

    I am pretty decent with gear setups, but watched your video as a refresher. Man, for not knowing how to repair the rear, you did a hell of a job and better than what I have seen in a HD truck shop.

    • @craftzmanchris9859
      @craftzmanchris9859  5 หลายเดือนก่อน +1

      Thank you Sir! I appreciate the kind words!

  • @BigZaddy2112
    @BigZaddy2112 11 หลายเดือนก่อน +3

    Great video! With a little patience and warmer weather, this video may give me the confidence to undertake the rebuild on my Astro van! Thank you

  • @kimseymour8896
    @kimseymour8896 3 หลายเดือนก่อน +1

    I just had to stop and say thanks ! I had no idea that the ring gear bolts where reverse thread. I was on the edge of breaking them off, but you save the day.. I am not new to wrenching on vehicles. I’ve got about 40 years under my belt, but no ring gear and pinion ever. That was a good one. Thanks God Bless you !

    • @craftzmanchris9859
      @craftzmanchris9859  2 หลายเดือนก่อน

      Thank you for the kind words! Glad I could help!

  • @Spudman69
    @Spudman69 6 หลายเดือนก่อน +2

    Just the info I needed to complete my '67 Camaro. I've changed ring and pinion before but never knew ho much more I should have done. You Tube wasn't around in 1972. Much appreciated video.. You did a fantastic job of getting to the point. Thanks loads.

    • @craftzmanchris9859
      @craftzmanchris9859  6 หลายเดือนก่อน

      No problem. Thanks for the kind words.

  • @jacobpierson8995
    @jacobpierson8995 2 หลายเดือนก่อน +1

    I did one myself on my pickup not too long ago. The hardest part for me was getting the outer axle bearings loose and getting preload set on the pinion. Everything else is pretty straightforward. I hate having to take everything back apart though to get the pinion depth set correctly. You did a great job thumbs up.

    • @craftzmanchris9859
      @craftzmanchris9859  2 หลายเดือนก่อน

      Thank you Sir! It sure is a lot of back and forth...

  • @tylerbrehm4800
    @tylerbrehm4800 9 หลายเดือนก่อน +3

    This video is great thanks for making it , loved the idea of set up bearings wish I would’ve thought of that !

    • @craftzmanchris9859
      @craftzmanchris9859  9 หลายเดือนก่อน

      Thank you! I appreciate the kind words!

  • @apacheglen8421
    @apacheglen8421 8 หลายเดือนก่อน +1

    I really appreciate this no BS video. Looking forward to finishing up this 8.5 I'll publish a post when done

  • @JeremysRockSchool365
    @JeremysRockSchool365 หลายเดือนก่อน +1

    Thank you for this. I need to finish my rear end in my nova and its my first time.

  • @paulwilkerson5127
    @paulwilkerson5127 5 หลายเดือนก่อน +1

    Great video, I'm rebuilding mine next week and will be watching this a lot to get through it. Haha, nice job!

    • @craftzmanchris9859
      @craftzmanchris9859  5 หลายเดือนก่อน

      Good deal! Thanks for the kind words!

  • @CG147__
    @CG147__ 6 หลายเดือนก่อน +1

    Thanks for making this video! Just what I needed to get my grand national back on the road

  • @diesel1586
    @diesel1586 8 หลายเดือนก่อน +1

    Top notch dude, thanks for doing this, I’m getting ready to the rear on my ‘85 K10 and I’m a little apprehensive about it so I’m sure I’ll be referencing the video a few times, thanks again

    • @craftzmanchris9859
      @craftzmanchris9859  8 หลายเดือนก่อน

      No problem! Thanks for the kind words!

  • @josephpadilla8982
    @josephpadilla8982 ปีที่แล้ว +4

    That large piece holding thw ring gear just cracked on me today. Im debating repairing my axle or just buying one from a junk yard. But after watching your video that little gauge you were using to adjust the gears is something that was a foreign language. May have to do some more research as that was the main thing indidnt understand. The rest was great. Thank you!

    • @craftzmanchris9859
      @craftzmanchris9859  11 หลายเดือนก่อน +2

      Thanks for the positive feedback. The little gauge is called a dial indicator and I had it mounted on a magnetic arm to hold it in position. The needle goes around the gauge as the probe is pushed in. The needle/display essentially displays how far the probe is moved. It is very accurate and used for measuring very small increments. I used to to measure the .005 inches of required play (backlash) between and pinion gear and ring gear.

    • @mtcoorscan
      @mtcoorscan 10 หลายเดือนก่อน +1

      And that backlash that you measure is EVERYTHING standing in the way of a rebuild that lasts one year versus 30 years.😄 Very important to get it right. Equally important is the tooth contact patch between the pinion and ring.

  • @aurynaichi7030
    @aurynaichi7030 ปีที่แล้ว +5

    Almost Rocket Science!

  • @edbeck8925
    @edbeck8925 9 หลายเดือนก่อน +3

    I always put grease or sil glide on new seals. Kind of an insurance policy. I would coat the seal then the surface of the axel that is going against the seal. Sil- glide is probably better

  • @superbeebaby1
    @superbeebaby1 ปีที่แล้ว +2

    Nicely done! Clean install! 👍🏼

  • @Eluderatnight
    @Eluderatnight 4 หลายเดือนก่อน +1

    A 2 jaw puller and electric ratchet work really well for pulling the pinion yolk off.

  • @ironsandhammers359
    @ironsandhammers359 หลายเดือนก่อน +1

    This is great but is it possible tjat if you have all the parts you can get it done by a shop for around 200 or 300? I cant find the time and i dont have the tools (mainly a gaige or torque gun) available to assemble the pinion set.

    • @craftzmanchris9859
      @craftzmanchris9859  หลายเดือนก่อน

      Take my opinion for what it is, but I don't think a shop will be that cheap. I would guess at least double (maybe triple) that for labor but honestly don't know.

  • @devinspurrier7902
    @devinspurrier7902 7 หลายเดือนก่อน +1

    Yes sir good video! Helped me a lot on my project

  • @jeffbrown8089
    @jeffbrown8089 23 วันที่ผ่านมา

    Amazing video man, i’m currently replacing my diff as we speak and your video helps out so much, i have one question though, how important is it to time the gears and how do you do it?

  • @scottbiste4616
    @scottbiste4616 10 หลายเดือนก่อน +1

    07 chevy suburban 1500 4x4 10 bolt. About to do the same but im only replacing the pinion bearings. Keeping same shimes so as long as everything looks good when i pull it nothing should change when putting back in? Any pointers would be helpful. Tks. Great video

    • @craftzmanchris9859
      @craftzmanchris9859  9 หลายเดือนก่อน +1

      In my amateur opinion, I think everything would be pretty close but I would still check the pattern and backlash.

  • @michaeldunagan8268
    @michaeldunagan8268 6 หลายเดือนก่อน +1

    I saw the chunk out of the pinon gear teeth. Was this determinable while driving?

    • @craftzmanchris9859
      @craftzmanchris9859  6 หลายเดือนก่อน +1

      It was not detrimental. It had sort of a rhythmic hum while drive. It was only noticeable when there was almost no tension on the driveline.

  • @gordogo
    @gordogo 9 หลายเดือนก่อน +1

    Very helpful, clear and quick . How long did it take for this rebuild? Could just the pinion been replaced only?

    • @craftzmanchris9859
      @craftzmanchris9859  9 หลายเดือนก่อน +1

      Thanks, the prep work took longer than the actual rebuild. I think it only took me a night once I had everything ready.
      I'm no expert but I suppose you "could" replace only the pinion but I would imagine it would be best to replace both the ring and pinion at the same time. In order to replace only the pinion you still have to pull the entire carrier assembly and re-shim everything.

  • @thesetruths1404
    @thesetruths1404 5 หลายเดือนก่อน +1

    Have you ever heard a rear end click only when under load? Or is this likely driveshaft u-joints?

    • @craftzmanchris9859
      @craftzmanchris9859  5 หลายเดือนก่อน

      Potentially.... This one sounded like a rhythmic hum when there was no tension on the driveline and I was moving over 25mph.

  • @osimaci8
    @osimaci8 7 หลายเดือนก่อน

    Very informative video! could you by any chance make a video on how to do a oem drum to disk brake conversion?

  • @darianthompson5975
    @darianthompson5975 8 หลายเดือนก่อน +1

    Can i only replace the carrier bearings on my gm 3.23 of a 2017 escalade and leave the pinion and its bearings preload alone?

    • @craftzmanchris9859
      @craftzmanchris9859  8 หลายเดือนก่อน +1

      I am not an expert I think you could. You would want to make sure you return the shims on either side of the carrier assembly when you put it back together. I would still do a backlash and pattern check though in case the new bearings are not exactly the same.

  • @WONofAkind
    @WONofAkind 4 หลายเดือนก่อน +1

    What was total amount of time ? Thankyou for getting right to the point. Everything you said had value!! Thats not easy to do when making a video. You killed it!

    • @craftzmanchris9859
      @craftzmanchris9859  2 หลายเดือนก่อน

      Thank you for the kind words! I think it took maybe 6-8 hours total... but I did it on weeknights after work on my gravel driveway during winter, which may have affected my efficiency.

  • @FSEVENMAN
    @FSEVENMAN 10 หลายเดือนก่อน +1

    That was really well done concise into the point. The only thing that would enhance your video a little more is to give the torque specs as you retighten everything that helps us out when we're trying it ourselves😊

    • @craftzmanchris9859
      @craftzmanchris9859  9 หลายเดือนก่อน

      Thank you for the kind words! And noted.

  • @Amishparadise69
    @Amishparadise69 10 หลายเดือนก่อน +1

    I think I might be able to do this. What tool do I need to check back lash?

  • @Burciaga29
    @Burciaga29 6 หลายเดือนก่อน +1

    When you say you set the rotational drag for the pinion nut to 15lbs/in ( 5:26) are you jusy using a normal torque wrench and tighten/losening the pinion nut until it takes that torque to rotate? Or is it a special tool ill need ? Thank you.

    • @craftzmanchris9859
      @craftzmanchris9859  6 หลายเดือนก่อน

      Yes, from how I interoperate you comment I believe you have the correct concept.
      The torque on the pinion nut itself if irrelevant when there is a crush sleeve. It take an incredible amount of torque to get the crush ring to crush. The pinion rotates which makes it even harder to get the crush ring to crush. I wasn't able to do it by hand and had to use the big impact. Once it starts to crush and add preload to the pinion bearings, the pinion will start to have a little resistance when you try and spin it. This is when you use the inlb torque wrench. You need a wrench that reads inlbs and gives a live reading like this one on amazon amzn.to/454Odqi .
      Remember, you are not reading the torque it takes to get the pinion to turn, you are reading how much drag there is when its turning. That's why you need a wrench that gives a live reading. Also, once the crush ring starts to crush, it tightens easier and goes fast, so be careful not to over tighten it.

    • @Burciaga29
      @Burciaga29 6 หลายเดือนก่อน

      @craftzmanchris9859 ok that makes more sense now. I'm wanting It to read 15lbs/in the entire time I'm rotating the pinion, not just what it takes to start the rotation. Thank you for getting back with me so fast.

  • @BowmansTipsNTricks
    @BowmansTipsNTricks 6 หลายเดือนก่อน

    Im about to try to tackle this with a new master rebuild kit but my main concern is getting the back lash correct.. everything else seems so easy but I don't understand the backlash.

    • @Eluderatnight
      @Eluderatnight 5 หลายเดือนก่อน

      You shim the diff right(take out right add left) to engage the pinion more(less backlash). Do the opppsite to make looser.

  • @antoast13
    @antoast13 ปีที่แล้ว +1

    Hey man, any idea why my axles don't go in all the way? I pulled the pin, but my axles only move in a small amount and I can't get to the c clips.

    • @BillaBong1
      @BillaBong1 ปีที่แล้ว

      Did you have someone pushing in the axle in while trying to get the clips? Those magnet reach thing will help with help getting into there and getting the c clip easier

    • @antoast13
      @antoast13 ปีที่แล้ว +1

      I did try having my wife push in on the axles. Turned out I just needed to smack the axle some more with a hammer. Thanks for the reply!@@BillaBong1

  • @thomasgiddings01
    @thomasgiddings01 3 หลายเดือนก่อน +1

    what were your torque specs sir? awesome vid getting ready to do my nova

    • @craftzmanchris9859
      @craftzmanchris9859  2 หลายเดือนก่อน

      Thank you! I don't recall but I believe they were in the instructions for the ring and pinion set. You could probably find them online as well.

  • @stanleybell2672
    @stanleybell2672 3 หลายเดือนก่อน

    Can you buy spider gears for this differential?

  • @jakewade7388
    @jakewade7388 8 หลายเดือนก่อน

    Well done!

  • @Stickerslapper
    @Stickerslapper ปีที่แล้ว +1

    helluva job bud.

  • @ronwright1646
    @ronwright1646 8 หลายเดือนก่อน +1

    You should torque the ring gear bolts.

  • @danielrumbo922
    @danielrumbo922 4 หลายเดือนก่อน

    Holy shit! I thought I was going to be able to get this done in a day. LoL great video and thanks.

  • @zcam1969
    @zcam1969 10 หลายเดือนก่อน +1

    what if you go to a lower gear ratio

    • @craftzmanchris9859
      @craftzmanchris9859  9 หลายเดือนก่อน

      I believe the process would be the same.

  • @Geoduck.
    @Geoduck. 9 หลายเดือนก่อน +2

    And he did the rebuild outside and in freezing conditions.

    • @getmoneygang7518
      @getmoneygang7518 8 หลายเดือนก่อน +1

      While recording and being organized

    • @craftzmanchris9859
      @craftzmanchris9859  8 หลายเดือนก่อน

      Thanks for picking up on this! It was not the most enjoyable place to work but is what needed to be done!

    • @craftzmanchris9859
      @craftzmanchris9859  8 หลายเดือนก่อน

      I appreciate the kind words!

  • @aidenog7380
    @aidenog7380 8 หลายเดือนก่อน +1

    Damn I do all the work in my car but this looks a little hard

    • @craftzmanchris9859
      @craftzmanchris9859  8 หลายเดือนก่อน

      It is a little in depth but with enough motivation it can be done!

  • @criley2723
    @criley2723 28 วันที่ผ่านมา

    500 degrees is definitely in steel tempering territory. Not a good idea to heat a hardened ring gear that much. Likely wont make a difference but, pendantic semantics.

  • @christopherstaffondpeterso1820
    @christopherstaffondpeterso1820 8 หลายเดือนก่อน +1

    This is a great video, but I have no confidence in myself to do this. I hate breaking stuff, and screwing up. I'm just gonna take my rear end to the shop...🤷🏿‍♂️🤦🏿‍♂️

  • @zanderhayes8443
    @zanderhayes8443 9 วันที่ผ่านมา

    You think that pinion is bad mine is just a cone now😂

  • @aidanscull5770
    @aidanscull5770 13 วันที่ผ่านมา +1

    You didn’t torque the lug nut with a torque wrench

  • @lehighspy9553
    @lehighspy9553 11 หลายเดือนก่อน

    Been doing mechanic work for 4 years, my 98 c1500 has over 400,000 and rolled over once. Needles to say the original rear ends wore out like an old whore, I knew how to pull it apart but now I got what I need for the preloads, THANK YOU

  • @davidclark3147
    @davidclark3147 11 หลายเดือนก่อน

    Mercy I wonder what kind of money you saved doing that

    • @mtcoorscan
      @mtcoorscan 10 หลายเดือนก่อน

      Parts can be anywhere from $200 to $600 depending on the quality and performance you like. Labor is easily $600 on that job. That's why many people just buy a completely rebuilt 3rd member assembly because you get a new, painted housing as well for under $1500

  • @daeshonkaine3172
    @daeshonkaine3172 4 หลายเดือนก่อน +1

    Bro for your first time doing this man you a beast 💪🏿🫀🧠💯🤘🏿 FASHO