differential hand pump

changingtime · **Posted:** Mon Dec 20, 2010 10:03 pm

Anyone have a good hand pump they use to pump out the differential fluid? Looking to change the fluid via cheater method.

Cheers,

RJM · **Posted:** Mon Dec 20, 2010 10:25 pm

How are you going to change the filters? How are you going to clean the magnet in the bottom of the pan? IMO thats just a waste of expensive ATF 4 and time.

RJM · **Posted:** Mon Dec 20, 2010 10:33 pm

Must apologize, my thoughts were on transmission. :ALONE:

changingtime · **Posted:** Mon Dec 20, 2010 10:40 pm

yeah, differential not trans. however, i am getting the trans flushed this thursday (have to replace to lines to the cooler - leaking).

bugnout · **Posted:** Tue Dec 21, 2010 1:40 am

I typically just zip tie clear plastic tubing to the oil bottle tip. That way I can get the bottle up above the diff and either squeeze it or let gravity do the work.

jeepdan · **Posted:** Tue Dec 21, 2010 1:47 am

You really should remove the cover to drain and clean the sump area of the case. If it is like mine, you will be shocked at the amount of silver flake resting at the bottom. Use a lint free rag (if there is such a thing) or squeegee the sump out with clean fingers, at least.

infernicus · **Posted:** Tue Dec 21, 2010 3:14 am

jeepdan wrote:

You really should remove the cover to drain and clean the sump area of the case. If it is like mine, you will be shocked at the amount of silver flake resting at the bottom. Use a lint free rag (if there is such a thing) or squeegee the sump out with clean fingers, at least.

Yah.. I put some rubber gloves on, and scoop as much as I can out.

ChesterCRD · **Posted:** Tue Dec 21, 2010 8:28 am

I take the cover off the rear differential to drain mine so I can wipe things off. The front differential has a drain plug in the bottom and I haven't opened it any further than that. For refilling them, if you use Amsoil they sell a hand pump that fits their bottles and it comes with a couple feet of plastic tubing. It works perfectly for filling the diffs.

reka12 · **Posted:** Tue Dec 21, 2010 8:52 am

I just used the cheapy Advanced Auto Parts oil pump for the inbetweens. Cost 10 bucks or so and can suck out the thicker oils such as the diffs.

tjkj2002 · **Posted:** Tue Dec 21, 2010 12:39 pm

changingtime wrote:

yeah, differential not trans. however, i am getting the trans flushed this thursday (have to replace to lines to the cooler - leaking).

The rear diff has a magnet in it also,well mine did at least.

changingtime · **Posted:** Tue Dec 21, 2010 5:40 pm

so, if you take off the rear cover, and let everything drain out...what do you put back on? A gasket, etc...

tjkj2002 · **Posted:** Tue Dec 21, 2010 7:14 pm

changingtime wrote:

so, if you take off the rear cover, and let everything drain out...what do you put back on? A gasket, etc...

RTV like what came from the factory.

dgeist · **Posted:** Tue Dec 21, 2010 8:55 pm

tjkj2002 wrote:

changingtime wrote:

so, if you take off the rear cover, and let everything drain out...what do you put back on? A gasket, etc...

RTV like what came from the factory.

Lubelocker also makes a nice (semi)reusable gasket for the chrysler 8.25 rear diff. If you use one, remember to get all the old RTV off (with an wire wheel or mild abrasive bit on a drill, etc).

Dan

arengant · **Posted:** Tue Dec 21, 2010 9:31 pm

7.99 on sale from harbor freight

http://www.harborfreight.com/multi-use-transfer-pump-66418.html

I have used it on my T-case too

changingtime · **Posted:** Tue Dec 21, 2010 10:17 pm

what is rtv?

Sir Sam · **Posted:** Tue Dec 21, 2010 10:49 pm

changingtime wrote:

what is rtv?

Oh boy.

RTV is the silicon sealant used on just about every gasket surface these days.

changingtime · **Posted:** Wed Dec 22, 2010 11:43 am

ok, understood that RTV is the sealant now...but, is a gasket needed too?

now, if we talk storage area networks, servers, and networking gear i'm your guy...data deduplication...

reka12 · **Posted:** Wed Dec 22, 2010 5:27 pm

audiboy86 · **Posted:** Wed Dec 22, 2010 5:50 pm

RTV is a silicon based substance used to create gaskets on just about everything from cylinder heads to differential. Most people use it because it is cheap and can be used to make multiple gaskets and can be stored to be used at any point. I prefer to used a gasket myself quicker, easier, and cleaner. A Felpro gasket for the rear is easy to get from almost any parts store. Advanced sells them for around $5 and O'rielly's are about the same. But stick with FelPro or Lube Locker and got cheap and you can re-use the Lube Locker don't know about the FelPro.http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Differential-Cover-Gasket-Felpro_5785308-P_2166_R%7CGRP60009_1197391748___

ATXKJ · **Posted:** Wed Dec 22, 2010 6:38 pm

changingtime wrote:

what is rtv?

Room-temperature vulcanization

I used black

http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Ultra-Black&174;-Maximum-Oil-Resistance-RTV-Silicone-Gasket-Maker-Permatex_7160069-P_N2131_T|GRP2132____

differential hand pump

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