Final Drive oil level 2wd

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Tpex
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Final Drive oil level 2wd

Post by Tpex » Mon Sep 25, 2017 4:30 pm

For my 2012 2wd, I'm about ready to change the final drive oil for the magical Redline Heavy Shockproof gear oil and remember reading about reducing the oil level, not too much, that it's acceptable for all 2wd Urals now to run 105ML, but 110ml is better, etc., etc., etc. But after some research, it seems that the reduction in oil level only applies to 2014 model year and newer Urals.

From what I've gathered here regarding rear drive oil level changes for 2wd.

Up to and including 2013 model year; 135ml/4.5 oz.
Posted on 14 Jun 2011
windmill wrote:I asked Jason Rae at IMWA in person today, He said that 135ml/4.5oz is the correct and recommended amount of oil for a 2wd final drive.
2013 2wd Final Drive parts diagram (to compare to 2014 listed below): http://live.uralcatalog.com/details/18384


2014 and newer model year with changed rear drive; 100 Ml.
According to Crawford, there was a change: http://www.crawfordsales.info/?page_id=54
2014 Changes: ... New final drive housing. ...
OK, lets look at the parts diagram for 2014 and compare to the 2013: http://live.uralcatalog.com/details/18386 Note part #56 : 'deflector'
Technical Bulletin from IMZ-Ural regarding oil level change (image of letter does not show the date): Image
"... Upon discussion with the factory we have determined that because of recent changes to the final drive case the oil capacity should be reduced to 100ml for 2wd models and 90ml for single wheel models. ...
The image was posted by gflapg on 16 Jul 2013 here: http://www.sovietsteeds.com/forums/view ... =5&t=29372


With all of that, I now feel that putting 135ml of magical Redline Heavy Shockproof in my 2012 2wd final drive will allow it to effortlessly climb the highest mountain in New England :beerchug:

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VWK75S
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Re: Final Drive oil level 2wd

Post by VWK75S » Tue Sep 26, 2017 5:03 am

Make sure your brakes are adjusted.
John
The Ural's made Maine a much bigger state.

2009 GearUp 140,000kms
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Tpex
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Re: Final Drive oil level 2wd

Post by Tpex » Tue Sep 26, 2017 12:52 pm

VWK75S wrote:Make sure your brakes are adjusted.
John
Good advice, thanks. :cheers:


Just modded the brakes to slow me down (finally). 1/4" to 3/8" thick block of scrap hardwood of some type (from a pallet), inner tube cut to fit, 4 zip ties = at least an unknown percentage of additional brake force generated or more. :lol:

I already used the Dial Caliper trick (thanks Gobium :bow: ), seems to be about right :foilhead:

Disclaimer: This is just a temporary addition to allow me to apply greater brake force with my very stiff MX boots.
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chaos2
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Re: Final Drive oil level 2wd

Post by chaos2 » Tue Sep 26, 2017 3:03 pm

I overfill the rear a little and let it find it's own level. Anything over bottom line on dipstick (unscrewed) comes out the vent. And I still have more lawnmower tire brake pedal rubbers if anyone is interested http://www.sovietsteeds.com/forums/view ... po#p602229
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past afflictions include limey motocars and bikes, R60/2 & a R65ls, and a Citroen.
Now a 2012 rusty GU and a 87 K75s with 200k miles both bought new
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Tpex
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Re: Final Drive oil level 2wd

Post by Tpex » Tue Sep 26, 2017 6:47 pm

chaos2 wrote:I overfill the rear a little and let it find it's own level. Anything over bottom line on dipstick (unscrewed) comes out the vent. And I still have more lawnmower tire brake pedal rubbers if anyone is interested http://www.sovietsteeds.com/forums/view ... po#p602229
I now remember seeing your thread. :thumbsup: Well done on a WWID mod :clap: better than my temporary wooden version. :lol: If I had stainless steel wire, I'd have used that instead of zip ties.

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