Freshen up a 904 in one weekend. Doable?

Uh, yeah. Without a question.

This Kit:

http://www.northernautoparts.com/part/tk-12008c


The best way to deal with these transmission

Now, please inspect your bushings, I'd say minimal, replace the front pump, and output shaft bushing, with the direct drum not far behind, replace if you see any excuse:



The easy way to deal with them is cut them short wise with a hack saw blade BY HAND, and tap them out with a chisel; Re-installing them; toss the bushings in the freezer, and the part in the oven on low for 30 mins. Lube the bushing up right out of the freezer, then dead-blow with a block of wood, then/or a socket that is just the right size.

I'd use babbitt bushing for the front pump, and get a couple of them for practice. Front pump (babbitt), direct drum, and output shaft.

Don't forget to stake the front pump bushing!




I can e-mail you the ATSG manual so you have a walk through for it.



Almost forgot, get a selection (3 sizes) of direct clutch selective snap rings and thrust washers, so you can tighten that up too, and get rid of the wavy direct snap ring if you have it. The name of the game is tighten the specs up to as close to minimum factory specs as you can.

If you get confused about setting end-play, put the extension housing back on with gasket, snapped into place like your going to finish; then set the transmission on its end; then install the front pump, with a couple bolts holding it in place; then and set your dial gauge and base on top of that and check it out by pulling up on the input shaft with a pair of pliers.

A good way to remove the front pump, is cut some tops off of some 3/8 coarse thread bolts, the kind that thread into where the puller would, then give those studs a flat screw driver slot, screw them in as deep as you can, then thread a regular bolt in there crossing side to side of course.. Damn thing pops right off.


Everything you need can be found here:

http://www.bulkpart.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=2&Category_Code=A500

Or here:

https://www.wittrans.com/


Enjoy!