The inner workings of a 6R140 transmission

And some more

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A few parts still on back order and waiting for some selective snap rings to adjust clutch clearance but here is a few more for now

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Great info - thanks for posting. Will be ordering another filter and Mercon LV tomorrow for my 6R140W, based on the comments above. Has 155K, but haven't replaced filter or drained since 75K.
 
Definitely do so. These are not the cheapest units to rebuild. Due to the service the trucks I work on see I convinced the boss that to do a drain and fill once a year on all the trucks.

What year is your truck?
 
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Originally Posted by mattd
Definitely do so. These are not the cheapest units to rebuild. Due to the service the trucks I work on see I convinced the boss that to do a drain and fill once a year on all the trucks.

What year is your truck?


2014 F250 6.7 (20-30% of the miles towing 14K). Thanks for the advice!
 
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The 14s have most but not all the updated hard parts so if you ever have to have it rebuilt not too many updates other than replacing worn parts

When it starts to show issues it will usually start flaring shifting from 3-4 so just watch for that.

Is the truck tuned/deleted?
 
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Originally Posted by mattd
The 14s have most but not all the updated hard parts so if you ever have to have it rebuilt not too many updates other than replacing worn parts

When it starts to show issues it will usually start flaring shifting from 3-4 so just watch for that.

Is the truck tuned/deleted?


Yes, deleted about 11K ago. Tow tune slight HP increase. Thanks again!
 
No problem if you ever have any questions in the future just shoot me a PM
 
Used to be a commercial from one of the oil change places . " Pay now or pay latter . " Another saying is a nickles worth of grease can save a $ 100 bearing .

Glad you convinced your supervisor to start being more proactive on servicing the vehicles .

Thanks for the post and the photos . :)
 
Finished it up today last drum finally came in late this morning

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Originally Posted by mattd
Last one gave it a paint job


My friends and I have this inside joke where whenever one of us has a transmission out on one of our cars, or are putting a new one in, we paint the transmission cases pink. It started with one of my friends doing it on his Bronco, forgetting about it, then seeing a picture of it on Facebook jumping at the dunes at Pismo Beach.
 
Wasn't the Ford 6R140 series an answer to the Allison 1000 GM used? Or was a reworked and heavily tweaked 6R80 that in turn was somewhat ZF-based like the 6R60 and 5R110?
 
It's the second generation torqshift. It's related to the 5r110 but i suppose it could be viewed as a super heavy duty version of the 6r80. IIRC the answer to the Allison 1000 was the 5r110. IMO the 6r140 handles added power much better than the Allison 1000 with no upgrades. There are many people running around with 600+ hp on a stock transmission other than tuning changes
 
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