What do you use to pump oil into your differential...

James86004

Expedition Leader
and transfer case? I have been using those little plastic hand pumps that screw into the top of the 1 qt and 1 gallon containers of 90 weight gear oil. I hate them. They break frequently, and they are really slow. Is there a better tool out there? I have not been able to find anything at the auto parts store except these stupid hand pumps. At least they are cheap.
 

lowenbrau

Explorer
I use a bucket pump on a 5 gal bucket of lube. It is way cheaper that way and to swap the lube in both diffs, both t-cases and the tranny pretty much kills a 5 gal bucket. Any leftover goes in quart bottles for trail use.

sjdiscounttools_2025_300785709


http://www.sjdiscounttools.com/lncg400.html
 

madizell

Explorer
I use the cheap type that screw into the quart bottle. Mine hasn't broken yet, but is only a few years old, they are slow largely because of the viscosity of the fluid I use, and since we are talking about pumping only a few pints of fluid once or twice a year, I just put up with it. It only take 5 or 10 minutes in any event.
 

Clark White

Explorer
I have one of the hand pumps as well, which I've found works well for nomal 75-90wt, but I run Lucas in both differentials and 50% Lucas in the trans/transfer, and the hand pump wont even begin to touch the Lucas. I've been using the gravity and hose meathod, but that takes for EVER, so I'm certinally curious for ideas! :chowtime:

Clark
 

Antichrist

Expedition Leader
Bucket pump like lowenbrau.
For my coiler gearboxes I use Redline MTF, and just use a suction gun designed for gear lube. Holds about 1 1/2 pint at a time.
 

lowenbrau

Explorer
James86004 said:
So, do you need a helper to pump it for you while you are underneath holding the tube into the transfer case?

No, I can reach out beside the truck with one hand while holding it in the trans. The hooked spout hangs there anyway so you don't need to pay too much attention to it until it starts overflowing.
 

ExploringNH

Explorer
lowenbrau said:
I use a bucket pump on a 5 gal bucket of lube. It is way cheaper that way and to swap the lube in both diffs, both t-cases and the tranny pretty much kills a 5 gal bucket. Any leftover goes in quart bottles for trail use.

http://www.sjdiscounttools.com/lncg400.html


Also what I use. I have mine sitting in a bucket dolly (although not as nice as the one pictured):

DA3014.jpg


Makes filling everything up quick and relatively clean. Just grab the hose and drag the bucket around by it. I used to just use the 1qt containers and a handpump, but it took too long and in the end was costing a lot of money with the frequency that I change fluids.
 

michaelgroves

Explorer
I use one of these. Excellent!

oilsafe_pump_kit.jpg


(It doesn't pressurise the bottle, and each full pump pushes out around 100ml, so I know how many to do when I am changing oils).
 
Last edited:

kjp1969

Explorer
kellymoe said:
X2 Very simple

A version of this: I usually shove a long clear tube onto the pointed spout of a quart bottle, ram a nail through it to keep it there, and upend it to let gravity do the work. I poke a hole in the bottom of the bottle so there's no suction lock. When the first bottle is empty, I refill it through the air hole and continue until it spills out the t-case fill hole.
 

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