I changed the tranny oil and filter, filled it at home and now when I put it in drive it slippes in first (low) 2nd and 3rd look work fine. I filled it with 4 qt by putting a hose in the fill hole and a big funnel up at side of car and pouring it in till it over flowed...any thoughs on why it is slipping now.

Whatcha drivin'?

I would bet you have a low fluid problem. Did you check the level with the tranny in drive, after you ran it through all the gear positions. Was it up to temp? The later model tranies have a very specific method to checking and filling. Without knowing what you are driving, I can't tell if this might be your problem.

Good Luck,
Michael

I have a 99 trooper with tod, automatic. with car off I filled it until in ovr flowed. then turn car on, added until over flow again, not sure though if any went in, this was at temp. then changed gears, ie rev, drive, 3, 2, low... then tried to add more...up to point of over flow...again not sure if any extra really went in or not...then closed plug drove 30-40 feet fine...though everything was great...then noticed that from a complete stop to accelaration it slips, but if I put in drive and acc. slowy car will go fine....

Have you checked it since? Maybe it burped.

Michael

no, I'm not sure if it has but I was thinking along those lines too. I was told that at the dealer they have an attachment the pushes around 14 qt throu to flush the torque converter...so that may help push the air that may be traped. in the mean while, ie getting to the dealer, I don't want a ny air traps burning a cluch or frying a gear...

If you fill the AT with the engine off you will be right at 1 quart low. Just for grins I measured it twice when doing a couple of my tranny flushes. That being the case I don't see how you could have added that much fluid and not known if the tranny took it. Of course the obvious check is to pull the fill plug on a warm running tranny and see if fluid just drips out. If not you still need to add fluid. Is so do yourself a favor and buy a cheap handpump. That will make it easier to add fluid.

Also, I doubt any bubble would still be in there as you would have pushed it through/dissolved it when the tranny started up. Afterall your AT is itself a pump that pushes probably 14 qts of fluid through itself every couple of minutes or so.

How did the old fluid look? If bad, the new fluid could have dissolved years and years of accumlutated junk that has now lodged heaven only knows where.

old fluid looked bad, no metal shavings just gunk on the magnet most likley from normal wear and tear. so I should let the car idle till hot and add more, should someone sit inside and put it in drive and contiue the process

You are actually supposed to use a temp probe while idling and the temp of the fluid should be 90 to 130 degrees F. Then is when you add fluid till it overflows. Put the plug in, run it through the gears and open the fill plug back up and add till it overflows again.

Hope this helps.

To set the level I first run the car on the road for a couple of minutes. I shift it through all the gears. Unless it is a very hot or cold day that seems to put the fluid right in the proper temperature range. Then again I am only going by feel but the 90-130 degrees range seems easily "feelable".

To answer you question, NO I would not have someone sit in the car and put it through the gears while I am under there adding fluid. This is not safe and there is no reason to go through the gears again. To repeat the engine has to be running when doing the check (i.e. the car in park, the brake on, in a well ventilated area, etc.).

Given that your fluid looked "bad" you fit the classic problematic situation of changing fluid in a high mileage tranny. Do yourself a favor and read up here, or do a Google search, as this is a common problem on any vehicle. Not saying you have these issues but your sure may have and this can ruin a tranny.

I still think you need to triple check your level first. If that checks ok and the problem is still there you may need to do something like flush the tranny and do another filter change. That could help to fully dislodge/remove the junk recently loosened, and now lodged heaven only knows where, by the new fluid you just added.

Just my hopefully helpful $.02.

Well I put more oil in today. I used the same hose and funnel technique but I substituted a smaller plastic tip. I put it in past the fill hole about an inch till it over flowed then pluged it as it was pouring out, this was at temp. Let it run for a few mintes then drove it...no slippin' like it was before I even started. But with what "central" and some of the other guys were saying I figured I might as well get the tranny rebuilt now as opposed to stoping out in the middle of no where or rush hour traffic.


P.S. I learned something here...the hard way. If your high milage tranny has not been taken care of before you buy the car...don't change the oil. The gritt in old oil is helping the friction surfaces. When you put fresh oil in it, the gritt is gone and all you are left with is old ass clutches. If your tranny as been surviced from the begining then you should continue to change the oil and filter. So check the oil if it is dirty and grimmy, close her up and get a for sale sign. <img src="/forums/images/graemlins/shiner.gif" alt="" />