easy way to re-fill rear axle after draining

[amauri]

Changed the gear oil on my 2018 yesterday and came up with this simple no mess way of re-filling.

Drilled two holes on the cap of gallon jug of GL5, one hole for a 3/8" rubber hose and another to apply pressurized air.
Used a regulator to set air pressure as low as it would go, about 4psi.
Pushed one end of 3/8" hose down to bottom of jug, the other end into diff fill hole.
Used an air gun to squirt short bursts of very low pressure air into gallon jug.
Took about 5 minutes to get the full gallon into the diff, no spills no mess.

 

[Tmartin000]

Why not Amsoil???? ........ Just just kidding.

Great job!

 

[BigPapa]

Or, you could get one of these for $8.00.

They're available from most any auto parts store or Harbor Freight. They're made to screw on a quart bottle, but you can just put it down in a gallon jug and hold it in place. Works great. Most come with an adapter on the end that screws into the PTO cover bolt holes to fill the transmission easily.

 

[Cummins12V98]

I will post something later, much easier.

 

[DavidC]

I will post something later, much easier.

So that's a "Stay Tuned" ?

 

[amauri]

Or, you could get one of these for $8.00.

I thought about that, but was to lazy to drive to the store and too cheap to spend $8

 

[Ozymandias]

Amari I like that idea!

 

[JR]

So that's a "Stay Tuned" ?

Right about now he's trying to figure out how to do a full flush on the rear diff, not just a half azzed drain and refill

 

[dieselshadow]

Lolololol

 

[AH64ID]

Solid idea!

I’ve got a pump, but it’s messy.

The gear lube I prefer is now sold in soft bags, but that’s new since I last changed fluids. My 18 now has 13K on it, and I plan to dump most, if not all, of the OE fluids at 15K.

 

[Cummins2014]

Solid idea!

I’ve got a pump, but it’s messy.

The gear lube I prefer is now sold in soft bags, but that’s new since I last changed fluids. My 18 now has 13K on it, and I plan to dump most, if not all, of the OE fluids at 15K.

Amsoil

 

[Cummins12V98]

Solid idea!

I’ve got a pump, but it’s messy.

The gear lube I prefer is now sold in soft bags, but that’s new since I last changed fluids. My 18 now has 13K on it, and I plan to dump most, if not all, of the OE fluids at 15K.

partial answer.

 

[RVTRKN]

I like the idea of the OP's innovation, however the pump works well for me.

 

[gsbrockman]

I like the idea of the OP's innovation, however the pump works well for me.

About 5” of 3/8” vinyl tubing placed on the end of the standard quart bottles (secured with a small hose clamp) works well, too....

 

[Cummins12V98]

OK here it is! Simple, easy and ya get the BEST GL on the market!!!

 

[Jim W]

I like the idea of draining the oil through the drain hole in my cover and then I can remove the cover to clean the diff housing. You than can also check the gears for even contact and wear. When I refill, I can use the top fill hole using a hand fluid pump to fill the housing, I then use the magnetic dipstick to insure proper fill of the differential. Clean and neat no mess!