How to change the oil on geared hubs on a HMMWV
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- Опубликовано: 5 окт 2024
- Kooker Tech
38586 Webb Dr.
Westland, MI 48185
Phone: 734-326-3900 x212
Email: Office@kookertech.com
Gear Hub Oil Change
Tools
½” Air Impact
Carlyle 6-231
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7/8” Deep 6pt. Impact Socket for ½” Drive
Carlyle 61-4228
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½” Drive Extension 3”
Carlyle EXT1203
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3/8” Rachet-
Carlyle R38QR
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3/8” Torque Wrench (need to be able to do 8-13 ft lbs)
Pittsburgh 63880
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½” Torque Wrench (need to able to do 90-110 ft lbs)
Carlyle TW12RH1
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1” shallow socket 6pt for ½” Drive
Carlyle S12032
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3/8” to ½” Adapter
Carlyle ADP3812
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5/16” Allen socket for 3/8” Drive
Carlyle SH3810
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Hydraulic Jack
Carlye 791-6450
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Jack Stand
Carlye 791-5050
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Oil Pan
Hopkins 11838
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Wire Brush
NAPA 7771040
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Materials
2 Liters of 80/90 Gear Oil (1 pint 0.47 liters Per Hub)
Valvoline 280
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Brake Clean
CRC 091314
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Rags
NAPA 7604140
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Start repairs
1. Jack up truck and remove wheel/tire assembly
2. Check hubs for any possible leaks
3. Clean area around drain plug and fill plug
4. Place drain pan under gear box
5. Remove drain plug
6. Allow oil to drain
7. Check oil for any issues
8. Reinstall drain plug and tighten to spec
9. Remove fill plug
10. Refill with (1 pint or 0.47 liters of 80/90 gear oil)
11. Reinstall fill plug and tighten to spec
12. Clean hub of any remaining grease
13. Reinstall wheel/tire assembly
14. Tighten lug nuts to 90-110 ft lbs
15. Lower vehicle back down
![KSI - Thick Of It (feat. Trippie Redd) [Official Music Video]](http://i.ytimg.com/vi/At8v_Yc044Y/mqdefault.jpg)
Tip, check to see if you can get the fill plug loose first before the drain plug.
This is a great tip and should be followed when changing any fluids.
Super understandable videos! I come from Germany and drive a 1986 M998 myself in my spare time. I'm always happy when I find / see such maintenance videos here. Thank you very much and Greetings from Germany
Thank you! I hope all is well in Germany! I plan on making more videos on basic repairs and maintenance. If you are looking for more information you are welcome to email me.
@@kookertech Thanks, that's very nice :-)
I forgot yesterday that everything around me is OK.
Always, always remove the fill plug before removing the drain plug. If you remove the drain plug first and for some reason can't remove the fill plug you are screwed! Other than that great video and very informative! Thanks!
Maintenance is KEY to keeping them running reliability!
Thank you for watching and commenting! I feel staying caught up on your maintenance is a good start to keeping vehicle running long as possible and to get the most enjoyment out of it.
not to be over paranoid, I like to use wooden blocks for the jack stand, I never had a wooden block fail... jack stands I've seen fail. Great video!
Hey buddy thanks for the video I like that they put a list of what tools you need and what capacities and torque ratings in the description that’s super helpful thank you
Great video! I always appreciate when the need tools are included in the video and description. 👍🍻
Thank you for watching and commenting I’m glad you enjoyed it!
awesome video! thanks for stressing the importance of safety!!
you have well explained the rut of the activity 👍
Pretty good but you did miss the most important part of the hub service, the spindle washers inside the hub need to be changed annually if you use the vehicle regularly, otherwise they can weaken and break causing the wheel to literally fall out of the hub, also you will not find required fluids in the regular TM 280 series, you will need the LO (Lubrication Order) for that.
Thank you for watching and commenting! You are correct this video just focus on changing the oil it is very important to check the spindle nut on a regular maintenance.
TM means technical manual so you don't need to say TM manual :)
Well presented. Can you a quick video of all points / places needed new oil and grease. Not a detailed step by step.
Thank you for watching and commenting! I can make that one of my next videos. I am currently working on a tire change video.
Thank you!
Great video!
Thank you for watching and commenting!
How do you know when the fluid needs replaced or is there a general every so many miles thing ?
Edit: that Teflon gasket around the top of the fill plug can be found at any hardware store and I also use them as wipes for my suppressors. I would double whammy that thing tape plus Teflon washer.
I will check in the TM for this information on when to change and check the gear oil. I do know they want you to do a full hub inspection each time you open up the hubs.
Your are correct the extra teflon tape around the fill wouldn't hurt. I was just following the TM as much as possible.
Are you in the middle of projects? It appears that you are missing your shock absorber inside of a new coil spring.🍻🇺🇸
Thank you for watching and commenting. Yes. I’m actually working on a lower shock mount design so you can easy build you own custom shock mount for custom shocks. More pics of that on my Instagram or Facebook page.
great video, thank you
Thanks
Thank you for watching and commenting!
How do I got about buying one of these army hummer's? I feel like they are impossible to find around me.
Thank you for watching and commenting! There are a few different ways to get your hands on a HMMWV one is Gov Planet the other would be classifieds such Facebook Market place, Craigslist etc… If you would like I can a a video on how I bought my HMMWV.
I think you definitely over torqued them. I wouldn't go ham with the impact as much.
Thank you for watching. It’s possible but these lug nuts are locking. Unlike regular lug nuts where you can spin them off by hand once you break them lose.
Dumb question: Can you do this without taking the tire off?
yes
NO-NOs ...NOT using an Impact Socket and NOT wearing safety goggles!!!😩