2012 6R80 Transmission Service preparation and part confirmation

[Pele]

I'm planning on changing the transmission fluid on my 2012 Ford Expedition, equipped with a 6R80 transmission.

I have a few additional parts I'd like to install while I'm doing the change, so I have the following sitting on my dining room table (much to the detest of my wife.):

1. Mishimoto Transmission Cooler - P/N: MMTC-F150-11SL
2. Derale external filter kit - P/N: 13090
3. Mag-Hytec deep pan - P/N: F6R80
4. B&M Dipstick and fill tube kit - P/N: 22200
5. Trans-Go Cooler Bypass delete - P/N: 6R80-CLR-BYPA
6. Motorcraft Main transmission filter - P/N: FT188
7. Motorcraft secondary pump inlet screen - P/N: FT138
8. Motorcraft secondary pressure screen - P/N: FT161
9. 18 quarts of Mercon LV fluid

I am also considering purchasing, but do not yet have, the following items before I attempt this (While I'm in there, or in case I break something.):

1. Trans-Go shift kit with updated pressure regulator valve - P/N: SK6R80A
2. Dorman Conductor Plate/Lead Frame - P/N: 926-149
3. TranStar valve body seal kit - P/N: 95697K
   1. Electrical Connector sleeve with O-Rings
   2. Assorted valve body to transmission case seals
4. Ford/Motorcraft valve body gasket - P/N: CL3Z-7Z490-B
5. Kostal Sleeve Tool - P/N: 307-717

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I have the following questions:

1. Are there any other items I should add to my shopping list?
   1. I have general tools, sockets, ratchets, wrenches, pliers, screwdrivers... I do not normally work on transmissions and do not have special purpose tools.
   2. I may have to get a Torx-Plus TP-27 1/4 inch drive socket.
2. Any tips/tricks/past experience with this specific transmission that anyone can add?
3. In my experience, I will only get about 6-7 quarts (about half) of the full capacity out of the transmission by dropping the pan. The torque converter and transmission body will have the remaining 6-7 quarts.
   1. Will cranking the engine (with fuel injection and ignition disabled) get the pump moving enough to get the remaining fluid out?
   2. Will cranking the engine (with fuel injection and ignition disabled) damage the transmission?
   3. Any other creative means to get the other half of the fluid out?
4. More of a general question; I've drained and flushed transmissions by disconnecting the cooler hoses and starting the engine. While idling in neutral, Old fluid comes out one hose and I pour new fluid into the other cooler hose or dipstick tube until the fluid coming out the dirty cooler hose runs clean or I have exchanged the entire rated capacity of the transmission... Is this a valid way of changing ALL the fluid in the transmission?

 

[AWAR]

If your new pan increases capacity then you will need to add more oil. I have found that I did not need the special tool to release the wiring connector. Channel locks worked fine. The lead frame is a good idea, and I love that someone makes a dipstick and fill tube for this transmission now. We had a funnel and hose setup at our shop. We found that when replacing the lead frame, it took 9 quarts with the stock pan. We had a fleet of F150s with this transmission.

 

[Pele]

I believe the stock capacity is 13 to 14 quarts.
Cooler and filter add 1-2 quarts.
Deep pan adds 4 quarts.

I have 18 quarts. Should be good.

 

[mjp2]

While the pan is off replace the bulkhead connector to avoid leaks in the future.

While your cooler is disconnected, replace the hose sections forward of the hard lines. Metal fatigue has caused enough of them to fail that it's worth the preventative step of cutting off the complex factory assemblies and replacing them with simple quality 1/2" transmission cooler hoses.


Cut-off wheel and a screwdriver make quick work of the failure-prone factory crimps.

 

[JamaicaJoe]

Does replacement of a 6R80 lead frame require removing the valve body?

 

[AWAR]

Yes

 

[Joe S]

Ford 6R80 Transmission Harsh Shifts P0720 P0722 P0731 OSS Failure: Molded Lead Frame Replacement! In this video we show you how to make the 2011-2017 Ford 6R80 as reliable as possible!These are the Tools and Parts I Recommend:Updated Molded Lead Frame-htt... youtu.be