Auto tranny guys

showcrop

Well-known Member
Did I do this right? My '04 explorer with just under 200,000 miles had 106,000 when I bought it with unknown transmission service. I have read enough on here about the peril of getting a filtering job done after many miles without service, so I decided to drop the pan and replace both the oil and filter. I knew that a good portion of the oil would stay in the transmission. I installed the new filter and pan, then pumped new oil into it through the hole in the plug, until it started to run out. I then started the car and went back and forth between forward and reverse to get the fluid pumped through. I then filled again, ran it again until it wanted no more. It seems to work well.
 
What are you asking? How much fluid did you replace? I think the pan/filter drop displaces around 5 quarts. The total capacity of trans is somewhere around 12 quarts.

The fill procedure is through that little plug on the bottom. When trans is warm @ operating temp, keep filling with fluid until you get a small steady stream or fast drip coming back out. If pouring out fast its too full, if barely dripping or not at all its below full.
 
So did you check the level on the dip stick?? If over full you got trouble and if under full you got trouble plan and simple that is why there are dip stick unless Ford has gotten dumb and did away with a dip stick
 
Old, that"s the issue. NO dipstick, just a standpipe in the base of the oil pan.
 
Typically with that mileage a filter replacement and a flush would be recommended. That is assuming the fluid had a reddish color, not brown or black. Professional chemical flush kits and additives can help extend transmission life by getting rid of some of the crud and softening the seals a bit.
 

Thanks guys. My main concern was that I got the right amount back in, and it did take about five quarts. The oil was red and did not smell burned so it looks like I am good for awhile.
 
If the transmission is working fine, then a filter and fluid change via dropping the pan is fine. I'm still not brave enough to try a flush. Most people that claim a fluid and filter change ruined their transmission did the change only because the transmission was acting up. I doubt there are many cases where a filter and fluid change actually caused a properly operating transmission to go bad.

I changed the fluid and filter in a 1998 4 cylinder Toyota Camry at around 250,000 miles, and it actually worked better after. Nicer crisper shifts.
 
Ok so the newer the cars to stupider they get. But then on the other hand most people do not know how to check oil etc so guess it just par for the course of things
 
So instead of a dipstick they have gone back to days of petcocks on the side to check the oil level?

And I thought Kia and Chevy went backwards when they went back to cartridge type oil filters instead of a canister.
 
NO petcock. Just a plug to remove at the base of a standpipe. removing small plug opens base of standpipe. You force oil upwards through the standpipe "til the tranny is a bit overfull, then remove filling apparatus and oil drains back out "til it reaches the level of the top of the standpipe, Removing the large plug/whole assembly drains the oil pan.

<img src = "http://www.agcoauto.com/content/images/transmission/check_fluid_level_5R55_transmission.jpg">
 
Many years ago, I rebuilt transmissions professionally. During my tec training, we were advised to only change transmission fluid that had a good color and no burnt smell. New trans fluid has a cleaning effect and will dissolve or cause glaze softening of all internal parts.
I have rebuilt transmissions that were working just fine when the owner had the fluid changed. The AT then developed a problem---friction clutches would have flakes of material missing that the new fluid dissolved.
 
(quoted from post at 10:55:21 12/24/13) So they are behind the technology that IH was using in 1939.

Nothin' too techni-LOGICAL about it - just works. 8)
 

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Back
Top