So I learned my lesson with the rear diff and didn't bring the right tools to the job (but I did a great salute to the exxon valdez). For next time, I need some kind of pump to put the new oil back in the Diff. What do you guys use and where can I get it?

-I assume I'd have to use the same pump for the tranny...

 

You can use a suction gun. Pretty much looks like a giant syringe. Most Auto parts stores sell them. It's not a clean job by any means, but you'll have better luck than wedging the bottle behind the diff, pouring oil on the floor.

They look like this:

http://www.autobarn.net/te30-118.html

 

See this ...........................

DON'T GET IT! They don't work worth crap. They leak all over the place because they simply cannot hold a seal. Don't let anyone tell you they work well for what they cost because they don't work at all.

See this ..........................

I've refined it a bit to incorporate a small hose clamp to keep the hose on the bottle cap. You only need about 2 to 3 feet of hose - just enough to get the end in the fill hole and enough to allow you to hold the bottle on a downward slant (it doesn't have to be above the fill hole). With a little patience and coninuous, repeated squeezing (to allow air back into the bottle), this is still the cheapest and simplest way to get thick fluid into a casing. If you don't have the patience, then spend some more money to buy a proper "pump".

 

XViper, I've got 1 suction gun that doesn't leak "too" bad, most they leak like a sieve. In general, the cheap ones are junk. My almost non-leaker was $40.

The tubing works well, but I'm spoiled from using one of these:



http://mityvac.com/kits.html#plus

 

I used one of those cheap pumps from an auto parts store...it is made to pump oils like diff fluid out of quart-sized bottles...it worked great for me when it worked...

however it did break by the time I was done with it, I used it for both a tranny fluid and diff fluid change...

however the thing was only 5bucks and I'd buy it again cause it did make my life easier

 

Slow, I bought 2 of those pumps I put up pics of. The very first time I took them out at a tech day we just had here, it leaked after the first stroke. It would not fill completely due to so much air getting past the plunger. When emptying, the fluid would squeeze past the plunger. I had fluid down my arms, all over the floor. I threw that thing aside faster than Lorena Bobbit threw out her husband's .................... Luckily, I brought my tubing on a bottle cap to finish the job. Never again will I spend any kind of money on trying to save myself some time and effort when doing fluid changes. Nice and easy, slow and steady for me.

 

I simply use gravity.. a long length of 1/2" ID plastic tubing with a funnel stuck in the top. It costs less than two bucks and is less trouble than all of the pumping paraphernalia.

 

I used my buddies pump everytime and it worked like a charm. Something around $5 at the autostore.

 

You can buy one of these fluid pumps from most auto parts stores for $4. They work great:

http://www.bmw325i.net/maint_rear_diff_fluid.shtml

 

Another method is the one I've adopted from a poster here using a schrader valve installed on the top of a Motive Power Bleeder. It's not very fast but it IS very clean and easy. I use one for the tranny and a separate one for the differential.