Hi Guys,
please give me advice. If I drive with my truck (6.0 diesel), my tranny fluid is diappear from my tranny. No leaks, tranny, engine, cooler absolutly dry.
Maybe Copperfield makes me any practical joke?
By old Mercedes cars over the vacuum pipes sucket out the engine from the tranny the fluid.
Thank you for helping me, I need quick reply. Here in Europe I can not find specialist for my Amys

 

Is your coolant level rising? Your transmission cooler could let trans oil into the coolant if things go very wrong.

 

The radiator has a transmission cooler internally. If it leaks, it will put trans fluid into the coolant system. Check your coolant level and appearance.
One other thing to check is the level in the transfer case, if it's a 4x4. If the rear seal goes bad on the transmission it may transfer fluid to the transfer case.

How much fluid is missing? Has your coolant level risen? Is the coolant discolored?

 

Make sure you park it in the same spot each time you check it. Just slightly out of level will make a difference on the fluid level. If it is 4X4 check the level of the transfer case. Might be leaking from transmission to transfer case

 

get an ol drain pan and take it under the truck with you. Place the pan under
the transfer case fill port and remove the port to catch any if that is where it's gone to.



Sean

6.0L Tech Folder

 

Thank you for reply.
The oil level in transfer case ok, engine coolant clear, no tranny fuild in coolant. Every night I am parking in the same place, no any leak. Engine, tranny, transfer case and ATF radiator dry, no leaks. It check three car mechanicer without any result. The last said me that I am dreaming or drinking. I am mechanicer also, for boat engine and for me it is incredible too.
This problem comes with replacing a new radiator. That was bad, tranny fluid and coolant mixed. I flushed the tranny and since them i have problem with ATF level and shifting. The car mechanicers said me, after water in tranny i should overhaul the tranny. Now i must find the cheapest parts because i leave in Europe, Hungary. If i buy in USA something, the customs for Europe 12 %, VAT for Hungary 27 % plus shipping come together 100 % over plus the selling price of USA.
Thank you for the help!!!

 

Have a look at the back passenger side cooler line where
it goes back into the trans. Mine would only leak under pressure
when it was up to temp.



Sean

6.0L Tech Folder

 

Hi Yahiko
thank you for advice. I have driven today 200 kilometers (about 140 miles) and all dry by tranny. But it is interesting, the ATF level is same like before the trip. It is make me crasy. Next two month I must drive about 15.000 miles round in Europe...

 

I keep thinking of odd places it could go.
Trans dipstick tube joint about mid way up at
or just below the frame would a place to look.

Or someone thinking that is a good place to siphon from. I am running out of oddball places.



Sean

6.0L Tech Folder

 

Are you checking the fluid HOT every time? It will expand and show higher when hot. So if you check it cold it may show lower giving the impression it leaked out.

 

Yes, every time was the engine and tranny hot. The level was so low that the dipstick was not in fluid

 

Maybe you had air trapped in the system from the radiator replacement and it worked it's way out. Top it off and then monitor it for a few weeks and see if it changes levels again.

 

I hope it was only air. Now the level is ok. Thank you!