Oils recommended?

Polo1 · Oct 15, 2020

I reside in Peru and drive most if the time off pavement mountain roads.
I own 2015 Def.110. 1. Which oils do you recommend for the front/rearaxles,transmission, transfer case? Does anyone use the same oil for all areas?
What do you use for the ball joints?
Has anyone had issues with ball joint fluidleaking? If so what is the recommended fluid to prevent leaking?
Thx to any and all!

jamesmartin · Oct 15, 2020

Polo1 said:
I reside in Peru and drive most if the time off pavement mountain roads.
I own 2015 Def.110. 1. Which oils do you recommend for the front/rearaxles,transmission, transfer case? Does anyone use the same oil for all areas?
What do you use for the ball joints?
Has anyone had issues with ball joint fluidleaking? If so what is the recommended fluid to prevent leaking?
Thx to any and all!

the approved oils
front axle swivels use oneshot grease stc3435 if its leaking it needs fixing ie play or corrosion on the ball

frog hopper · Oct 15, 2020

Polo1 said:
I reside in Peru and drive most if the time off pavement mountain roads.
I own 2015 Def.110. 1. Which oils do you recommend for the front/rearaxles,transmission, transfer case? Does anyone use the same oil for all areas?
What do you use for the ball joints?
Has anyone had issues with ball joint fluidleaking? If so what is the recommended fluid to prevent leaking?
Thx to any and all!

Check your axle breathers as well.

Wimblowdriver · Oct 16, 2020

Front and rear diffs will be ok with a mineral EP90 GL4 or better. I currently use Comma SX75-90 semi synthetic in the diffs, this is GL5 and GL4. The gearbox is a "filled for life" which is deemed to be 200k Km (125k miles). Transfer box oil changes at 80k Km (50k miles). I half these mileages and change. Not reached the mileage for the gearbox yet, when I changed the transfer box oil I used Castrol Syntrax Universal Plus 75-90 fully synthetic oil. When I was searching for gearbox and transfer box oil Syntrax Plus ticked all the spec boxes for both items.

Wimblowdriver · Oct 16, 2020

These attachments have the oil specs for the gearbox and transfer box. Bit of searching on the web will find you something suitable.

Polo1 · Oct 21, 2020

Wimblowdriver said:
These attachments have the oil specs for the gearbox and transfer box. Bit of searching on the web will find you something suitable.

Thank you for taking the time to reply.

Polo1 · Oct 21, 2020

frog hopper said:
Check your axle breathers as well.

I’m not familiar with the breathers. My manual is not detailed enough. Any photos?
The front passenger side ball joint outside seal has leaked from the day I purchased it new, 2015. I have changed the seal and still leaks. I use the recommended One-shot fluid .

Polo1 · Oct 21, 2020

jamesmartin said:
the approved oils
front axle swivels use oneshot grease stc3435 if its leaking it needs fixing ie play or corrosion on the ball[/QUOTE

Polo1 · Oct 21, 2020

jamesmartin said:
the approved oils
front axle swivels use oneshot grease stc3435 if its leaking it needs fixing ie play or corrosion on the ball[/QUOTE

Hi James, Thank you for replying. I purchased the Defender 110 new in 2015. Have experienced the leak from the beginning. Have changed the seal and refilled the ball-joint housing with the oneshot recommended grease. Still no change. The leak is on the passenger side as if that makes a difference.

jamesmartin · Oct 21, 2020

Polo1 said:
[/Q
if you fitted a new seal and its still leaking,you must have play or seal cant be centered around the ball

frog hopper · Oct 21, 2020

Polo1 said:
I’m not familiar with the breathers. My manual is not detailed enough. Any photos?
The front passenger side ball joint outside seal has leaked from the day I purchased it new, 2015. I have changed the seal and still leaks. I use the recommended One-shot fluid .

Not got any photo's I'm afraid, even worse, I'm not familiar with 2015 models.
However, it is likely that on top of (both) axle there will be a small hollow bolt with a spigot to one side to which a tube will be fitted. (It's not quite that simple, but you will see it if there is one fitted) This is to allow pressure in the axle to escape to atmosphere without allowing water to enter the axle case. Carefully undo the bolt and check that you can blow through the tube etc, if not then there is a blockage somewhere that will have to be cleared. I usually find a pipe-cleaner will do the job. Before putting it back together, either use a new copper washer, or use heat to anneal the original.
Edited to say - Listen to James - there is a problem there somewhere, perhaps the ball itself is distorted??

Wimblowdriver · Oct 21, 2020

these might help

flat · Oct 22, 2020

This is what the breather looks like

Polo1 said:
I’m not familiar with the breathers. My manual is not detailed enough. Any photos?
The front passenger side ball joint outside seal has leaked from the day I purchased it new, 2015. I have changed the seal and still leaks. I use the recommended One-shot fluid .

this is the rear breather but it looks the same on the front axle

mick 1986 · Oct 22, 2020

flat said:
This is what the breather looks like

this is the rear breather but it looks the same on the front axle
View attachment 221742

Use this photo as a location, but @Polo1 yours being a 2015 will have push fit breathers, not banjos.

Oils recommended?

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