Can I live with in overfill on my 47RE?

I recently changed my filter and the fluid in the pan. There were 6 quarts of drained fluid, which I measured by putting into 6 one quarts containers. I also spilled quite a bit on the plastic sheet I had protecting the floor. I made a hell of a mess.

After putting in the new filter and putting the pan back on, I put in 6 quarts of fresh fluid. After warming up the engine and transmission and driving around quite a bit, the dipstick now shows the transmission is overfilled with the fluid coming up over the “Max” marking on the dipstick (Engine running in Park). It comes to the middle of the first bend in the dipstick.

I actually put in less than I took out so the only thing I can figure is that the last time I had the Dodge dealer change the filter, he overfilled it and I just never noticed. It has been many thousands of miles since this occurred.

Can I live with this present overfill?

 

I think you are supposed to check the fluid level with the truck running and the trans in neutral. With it in park it will read higher. At least thats how I have been checking mine.

Also a little over full shouldnt hurt anything. Well I'll say it hasnt hurt my GB trans any.

 

The issue is expansion with temperature. If it's too full and gets hot, you could be churning fluid with the gears. This would lead to foaming, which if was bad enough, could lead to starving the trans of lubrication. This is an EXTREME situation.

If you look at the factory manual, they give a graph for fill vs. temp. I would go by that, just to be safe.

HTH

Tony

 

You are supposed to check the fluid level At opperating temp, At Idle and with the trans in Neutral.

I would have go and pull my dip stick to see where the first bend is, but if its slightly over, your most probably not going to have a problem.

This is why I wish all OEM trans pans would have a drain plug, BTW it would all make droping the pan less of a mess!!! On my next fill I'm going with an aftermarket deep pan... W/ a drain plug!!!

 

Check both sides of the dipstick - go with the lower reading,

 

It's checked in neutral with the truck at operating temps... ie... go drive it several miles and then check it.
I'm pretty sure it even says this right on the dipstick

If it's still too high after that, you can just suck it out of the dipstick tube. I did that last night on mine actually. I have a little pump I got at Napa or something several years back. Was like $10 if that, made to screw onto bottles and pump gear oil or whatever I think.

 

Naturally, you folks were right on. There is a big difference between checking fluid levels in Park and checking them in Neutral.

I had been lead astray by my Haynes manual which in one section implies that the fluid is checked in Park. When I checked in Neutral, the fluid was right where it should be.

Thanks you!

 

It only costs a few dollars to purchase a drain plug kit at the auto parts store and add it to the pan you already have. 1/2" drill bit not included.

 

Really??? I had not come across that one yet... Is it by the oil filters or something???

Any particular store you recall seeing them at???

 

Try Napa if you have one around. Part # BK 7041074

 

i have been rebuilding chrysler transmissions for almost 40 years. i have never seen one hurt by being over full. in fact there is one gm trans out there when i rebuild it i add one gallon over full. rather have too much any day as not enough.

 

jughead agreed! Overfull will not hurt it one bit. If it's got to much it will puke it out the dipstick tube.

 

Cool thanks...

 

Loosen the rear bolts first and drain some fluid. I changed mine that way and didn't splill a drop.

 

...when I drop a trans pan they are dang near empty.