Chrysler 9.25 Diff: COMPLETE Step by Step Rebuild and Install!!

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  • Опубликовано: 25 ноя 2024

Комментарии • 71

  • @spelunkerd
    @spelunkerd Год назад +11

    Probably the best summary of this procedure I've ever found here on the 'net. I get a feeling that many pros cut a few corners to save time when doing this job. You didn't. You might have come across my videos of clutch pack replacement for this differential in the past. You've raised the bar, for sure, and you gained another subscriber today.

    • @Dartmech
      @Dartmech  Год назад +2

      Thank you for the kind words! I appreciate them!

  • @scottwitherow7586
    @scottwitherow7586 9 месяцев назад +4

    Excellent video! I've got mine all torn down and ready for assembly - and you filled in some things that "I didn't know that I didn't know."

    • @Dartmech
      @Dartmech  9 месяцев назад

      Great to hear!

  • @royalchiefindian
    @royalchiefindian Год назад +1

    AMAZING!!! I just bought some Yukon lsd gears, asked for instructions said “RUclips how to cut thick gear👨🏻‍💻”. Bro you’re Goated !!!

  • @davidhendry5951
    @davidhendry5951 9 месяцев назад +5

    This is a kick ass video. You have got to have your balls screwed on pretty tight to follow it because he doesn't waste any time, but I honestly wouldn't want it any other way ( just rewind 50 times, that's fine). I did this procedure 10 yrs. ago or so with my 9.25 dodge and it lasted pretty good but... she's whining again. I have it torn down a little and looking at the open diff wondering what I did then, soooo.... looking for video to basically revive my memory (71 yrs. old). I think this video will do just that, THANK YOU !!!!!

  • @gregoryking9348
    @gregoryking9348 Год назад +3

    I did some of that on my '03 Dakota QC 4x4 a week ago. I didn't replace any bearings and races, ring and pinion (it's a 3.55), crush sleeve - just the clutch packs and tube seals. I WANTED to do a full rebuild but 2 things made that decision for me. First is $, the second is I live in SE Wisconsin and the horrible body panel and cabin rust/rot would be throwing good money after a bad cause.
    Although I found some useful video's, and one best one of them all to prepare me for the project I'm feeling cheated by the RUclips search engine that yours wasn't in the top 50 given to me.
    It's only now, about 2 weeks since the job was done that your video thumbnail/preview was on the scroll-down panel while I was goofing around looking at random assorted video topics. Unfortunate because yours is the best one of the 50 or so I previewed.
    👍🏻

    • @Dartmech
      @Dartmech  Год назад

      Wow, thank you for those kind words! I wish you’d been able to see it sooner too, but I appreciate you taking the time to reach out!

  • @waynepiaskowski7655
    @waynepiaskowski7655 2 месяца назад +1

    Excellent video. I replaced all bearings, races seals and, clutches. Reused old ring and pinion. Must have watched this vid 20 times in the process. When putting the spiders back in you don’t need to beat them in, just compress one side of clutches a little and they should move. It’s a puzzle don’t use a hammer 😂. Anyway, this guy is a saint.

  • @Ray-bw2jz
    @Ray-bw2jz 19 часов назад +1

    Don’t forget if your truck is 4+4 and you upgrade the rear diff gears to a higher or lower number you then also have to upgrade the front gears

    • @Dartmech
      @Dartmech  16 часов назад

      Excellent point!

  • @JamesCat-qx6sb
    @JamesCat-qx6sb 2 месяца назад +1

    Awesome 👌...doing this on a 8.25 in my Dakota. Going from 3.55s to 3.90s..😊

  • @primodeelux
    @primodeelux 3 месяца назад +1

    Excellent video. Thank you for taking the time to film, edit and upload.

    • @Dartmech
      @Dartmech  3 месяца назад

      You’re very welcome!

  • @wnwanted94
    @wnwanted94 Год назад +4

    I bought some 4.56 gears years ago… still haven’t installed them because I know my truck will be on the lift for a month while I figure out my pinion depth and all those measurements lol!
    I think this video went a little too quickly for a beginner but I appreciate it!
    I was also thinking about installing a Detroit locker at the same time. But they’re pretty pricey.

    • @Dartmech
      @Dartmech  Год назад +3

      Thanks for the feedback! There's a fine line between boring and informative, and it's hard to hit sometimes haha. It wasn't terrible, but definitely a project.

    • @mackredenbarger
      @mackredenbarger 5 месяцев назад

      @@DartmechI have a good friend who has set up many axles before and is a master Volvo semi tech helping me come Wednesday to do this. I am however going to use the factory pinion bearings to use as “tester bearings” or just start out with factory shim. Unfortunately I couldn’t get two bearings the same brand… 😔

    • @Ray-bw2jz
      @Ray-bw2jz 19 часов назад

      If Truck is 4+4 you have to upgrade the front gears as well

  • @watershedguardians2353
    @watershedguardians2353 4 месяца назад

    Thank you for the help. Your descriptions were great. I have not done the spline gear and am a little intimidated. I have not installed the spider gears and am a little intimidated, but they basically fell out when I disassembled so I am thinking that they will go back OK. The use of the bolt to hold the diff gears in place was genious. I used a leather glove. Your description of the backlash was most helpful as was the spline allignment.

  • @alanstrain801
    @alanstrain801 9 месяцев назад +1

    This is an awesome video and THANK YOU SO MUCH FOR THE DETAILED DESCRIPTION!!

    • @Dartmech
      @Dartmech  9 месяцев назад

      Glad it was helpful!

  • @quazick8487
    @quazick8487 4 месяца назад +2

    My ram has that exact piece of metal in the same spot, same gouging. Did you find out where it came from?

  • @donryan3427
    @donryan3427 8 месяцев назад +1

    Thank you for your tutorial , i feel confident enough to ATTACK my 2014 Ram .... had a bearing whining since some time , changed my outer wheel bearings , hoping that was the issue ... but no :-( again thank you for your clear and concise explanation !! :-) keep up the nice work my friend !!

  • @Moparmaga-1
    @Moparmaga-1 6 месяцев назад

    Ive done this before on my Dakota r/t years ago. This is a great video. I didn't have a video to reference.

  • @joebryant5793
    @joebryant5793 Год назад +1

    Thanks for the link to the tool, lifesaver!!

    • @Dartmech
      @Dartmech  Год назад +2

      You’re welcome! No getting around that thing well worth the $$

  • @lrh34
    @lrh34 4 месяца назад +3

    What stock gearing was in it that you replaced with the 4:56?

    • @Dartmech
      @Dartmech  4 месяца назад +1

      3:92s

    • @lrh34
      @lrh34 4 месяца назад

      @@Dartmech thank you very much for the informative video and the response

  • @SrColon309
    @SrColon309 8 месяцев назад +1

    mega excellent work and video. Very detailed, precise and clear.

    • @Dartmech
      @Dartmech  8 месяцев назад +1

      Glad you enjoyed it!

  • @timwatson559
    @timwatson559 5 месяцев назад

    Next time, measure the depth requirement for the axle shaft into the carrier assembly. then bind the axle into a vise.
    Now install the carrier assembly so that the splines align and slide the axle shaft into the spider gear and then just turn the carrier and spin the spider gears as you want.

  • @mikegimenez2629
    @mikegimenez2629 9 месяцев назад

    When taking the play out of the drivers side adjuster. Turn the driver side adjuster all the way in, back off exactly 1/4 turn, then tighten the passenger side adjuster snug. This should get you close to correct backlash. Your welcome.

  • @caseygreen6322
    @caseygreen6322 Месяц назад +1

    Ive followed this video to the letter yet once i start torquing the cap bolts it tightes so much that by 30 ft lbs im unable to turn the carrier

    • @Dartmech
      @Dartmech  Месяц назад +1

      Is it binding on the pinion? Try backing off the ring on the drivers side and tighten the passenger until you get good play on the pinion then slowly turn them in little by little until it torques.

  • @Keeter94
    @Keeter94 Год назад +2

    Man I’m doing the same job on same rear end. I’m so close I just need to insert spider gears but I didn’t remove the carrier it’s still inside. Is this possible?

    • @Dartmech
      @Dartmech  Год назад

      I don’t think so unfortunately…. If your clutch packs aren’t too tight they you might be able to smash them in with a brass punch but forget about the curved shims behind them. They’re pretty thin… sorry, good luck whichever route you take!

  • @carterledbetter7657
    @carterledbetter7657 2 месяца назад +1

    What about the crush sleave

  • @Formerlywarmer
    @Formerlywarmer Месяц назад

    Great video

  • @day-after-day
    @day-after-day Месяц назад

    Can I change my rear differential ram 1500 2008 4.7 to rear differential 2500 heavy duty? Thx 4 help

  • @gabriela0612gh
    @gabriela0612gh 8 месяцев назад +1

    Nice explanation thank you

  • @BBDos
    @BBDos 7 месяцев назад +1

    Took my rear differential apart (identical truck), and I had the same clip part run a groove in the diff main bearing cap.the remaining clip fragment stayed in place and kept the clutches intact. Did you reuse the same bearing cap with no issue?
    Do you recall the pinion nut size?

    • @Dartmech
      @Dartmech  7 месяцев назад +1

      I reused the cap, no issues 10K+ miles later.
      I don’t remember the socket size off hand.

  • @alanstrain801
    @alanstrain801 7 месяцев назад +1

    Confused on actual measurement from pinion face ? What was your number ?

    • @Dartmech
      @Dartmech  7 месяцев назад

      mine was 2.735," but they'll vary from make/model/etc...

  • @dman0042
    @dman0042 10 месяцев назад +1

    Outstanding

  • @takotacarmin3788
    @takotacarmin3788 8 месяцев назад +1

    Awesome video! I’ve been working on mine learning along the way and thought, why don’t I make a video to help others figure this out… you beat me to the punch. Great video, you’ve covered just about everything needed. good job brother. What was the torque specs on your ring gear? I’m doing one and everywhere I look says 65 ft-lb.

    • @Dartmech
      @Dartmech  8 месяцев назад

      Hello, thank you for those kind words!
      Torque on my ring gear was round 100 I think. Per the Motive site: 7/16” bolts get 60-65ftlb, 1/2” get 100-110”.”

  • @trapmasterjaster1273
    @trapmasterjaster1273 3 дня назад

    What’s that shaft nut size

  • @joebradley1520
    @joebradley1520 6 месяцев назад +1

    You're not worried about the bearing slipping on the shaft after you honed it out?

    • @Dartmech
      @Dartmech  6 месяцев назад +1

      Those were purely for the pinion depth measurement , I put new bearings in once it was time to install the pinion. Hope that helps!

    • @joebradley1520
      @joebradley1520 6 месяцев назад +1

      I found another rear end but it has disc brakes and mine is drums, same gear ratio, would it be cheaper to buy new parts for mine or replace the whole axle that has disc brakes?
      What am I looking at as far as cost value?
      The parts alone to rebuild is around $1,200
      The rear end that I want to put in my truck is disc brakes but it's tight and in good shape, I'm just wondering what I'm getting myself into as far as Master cylinders in brake lines

    • @Dartmech
      @Dartmech  6 месяцев назад

      @@joebradley1520 I was only in for the cost of the Ring/ pinion ($350 but wasn't Necessary as it wasn't bad) the bearings ($200) and Oil. If it hadn't been for the ring/pinion I would have been under $400 for sure. Switching out for discs isn't all that difficult, you'd just need the line from the wheel cylinder to go to the caliper as far as I know.

    • @joebradley1520
      @joebradley1520 6 месяцев назад

      I believe you need a proportioning valve also​@@Dartmech

  • @bobtailsthecat
    @bobtailsthecat 8 месяцев назад +1

    Really a fantastic video, I unfortunately have come across broken clutch pack retaining clips. Not looking to do a complete rebuild, just don’t have the time or money right now. Is it possible to replace the broken retaining clips without having to worry about adjustments ? backlash? and anything else ??? Thank you (:

    • @Dartmech
      @Dartmech  8 месяцев назад +1

      I think you’re out of luck there.. the clips have little bends on other end to keep them from falling out. In order to replace them, the clutch packs will have to come out which mean the diff needs to come out so you’ve gotta do the whole process…. Sorry about that. If you leave the clips totally out so they’re not rubbing on anything like mine were, you’ll probably be fine for a while. However they will eventually start to wear into the diff carrier.

    • @bobtailsthecat
      @bobtailsthecat 8 месяцев назад

      @@Dartmech Thansk for responding. That’s what i was starting to think about since the truck has almost 200k miles, not looking to dump a ton of money or time into it. I just removed the remains of the clips and appears to not have damaged anything. If you remove the carrier, you must rest backlash and preload everything ?

  • @phillipmatthews1557
    @phillipmatthews1557 Год назад +1

    Need to know torch pounds for ting gear bolts

    • @Dartmech
      @Dartmech  Год назад

      Sorry for the late response it’s like 65ftlbs for the rear and 100 for the fronts. Best to consult the manufacturer for specs though.

  • @jacksonwitherow972
    @jacksonwitherow972 4 месяца назад +1

    About how long did this take you?

    • @Dartmech
      @Dartmech  4 месяца назад

      All in all two days but I was taking my time.

  • @sleekSquirrel
    @sleekSquirrel Месяц назад +1

    good video 100%

  • @DarkSim77
    @DarkSim77 8 месяцев назад +1

    This job is a lot easier if you have a press and a vise.

    • @Dartmech
      @Dartmech  8 месяцев назад

      MUCH easier.

  • @bartonwest1124
    @bartonwest1124 Год назад +1

    Where did you get the clutches

    • @Dartmech
      @Dartmech  Год назад +1

      They’re Yukons off Amazon. Just make sure they have your part number. I used summitracing.com to figure that part out but amazon was cheaper than summit so I went with them.

    • @kenkayiii
      @kenkayiii 10 месяцев назад +1

      On the Amazon website, in the reviews was a very informative way of removing and replacing the clutches by making a spreader....you don't need to remove the carrier and reset the backlash...etc. saves a ton of labor and time

    • @sergioramos6056
      @sergioramos6056 2 месяца назад

      Where did u buy the spider gear? ​@@Dartmech

  • @trapmasterjaster1273
    @trapmasterjaster1273 3 дня назад

    What’s that shaft nut size