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NOPEC
Extreme Veteran
Date registered: Feb 2008
Location: Babylon, Long Island, NY
Vehicle(s): 1985 Mercedes 300GD
Posts: 375
| Axle service question
I need to service the front axle. I am pretty mechanical but obviously don't have every tool referenced in the service manual.
For those who have done it, can it be done? How long did it take? Would you have rather brought it to a shop? |
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GwagenLover
Extreme Veteran
Date registered: Apr 2006
Location: Winston Salem, NC USA 27104
Vehicle(s): 2016 G550 & 2016 GLE350
Posts: 475
| Re: Axle service question
My last G front axial was serviced every 25K miles.
I used a waterproof grease in the hub swivels.
I put in the green water-proof grease bought from Advance auto.
It takes a 14 mm allen wrench to remove the plug.
I am due up on the 2016 and bought an air operated pneumatic grease gun to take the pain out of the numerous pumps.
Mind you these pneumatic guns are rated for a max 80 psi.
I pump about a 1/2 tube in each, more if needed.
Inspect your pinion seals for leakage.
The 85-95 weight oil is Mbenz required weight.
Edited by GwagenLover 6/30/2023 7:39 AM
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Inkblotz
Expert
Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3190
| Re: Axle service question
Nopec. When you say service the front axle do you mean a rebuild of the hubs and replace bearings? |
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Inkblotz
Expert
Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3190
| Re: Axle service question
If you need the rebuild there are kits available: https://expedition-imports.com/front-axle-service-kit-2002-and-newer...
There is a post here regarding rebuild: http://www.pointedthree.com/disc/forums/showthread.asp?tid=19242&po...
The hub nut tool is the main specialty tool needed.
Edited by Inkblotz 7/2/2023 6:56 AM
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NOPEC
Extreme Veteran
Date registered: Feb 2008
Location: Babylon, Long Island, NY
Vehicle(s): 1985 Mercedes 300GD
Posts: 375
| Re: Axle service question
Yes, a rebuild. I should have been more specific |
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dkoo
Member
Date registered: Mar 2013
Location: NJ, NY, and CA USA
Vehicle(s): Volvo
Posts: 14
| Re: Axle service question
takes 10 hours labor if you have done it before so budget 20 hours for 1st time
You need the slotted hub socket to remove the hub
you will need a good torque wrench
All the other tools are normal metric sockets and wrenches
note that you may have some downtime after taking it all apart because you may need more parts than just bearings and seals like perhaps CV joints (or just order those too)
If you want to do the CV joints you will need a 30 ton press or just bring to a local machine shop and pay them to remove the old joints and press on the new ones
Make sure to get the CV boot on correct and strapped correct
Make triple sure you get the bearing preload correct when reassembling
As mentioned above use the water proof high temp synthetic green or red grease, not standard grease
You can buy it in tubes from Mercedes or get cheaper online, does not need to be Mercedes but needs to be similar type
Get the factory service manual you have to follow it to a T, or bring it to wolfgang's in NJ to have it done
Make sure to change your inner oil seals while you have it apart, they are cheap and easy.
you can email me if you want more info
Edited by dkoo 7/14/2023 2:47 AM
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Ertech
Veteran
Date registered: May 2016
Location: Montreal CA
Vehicle(s): 2011 G550
Posts: 156
| Re: Axle service question
about to replace the wheel bearing since the cv boots are shot.
I read in a few posts that the front axel might need to be locked to remove . is this so?
also wanted to repack the center joint at the same time .
car is 2011 G550
thanks
Érick Marciano |
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