Ford Transmissions Have a Coolant Line Problem
Timothy Boyer's picture

Ford Mechanic Talks About Transmissions That Self Destruct

An experienced Ford mechanic offers this warning to Ford owners who may not be aware that their transmission may be one of those known to self-destruct, but can potentially be averted if you know where to look for the developing problem with these specific transmissions.
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Known Issues with Transmissions

Just like with some car and truck engines that are known for being predisposed toward having serious mechanical failure requiring an overhaul or replacement, some transmissions suffer similar fates.

Related article: One Fatal Flaw That is Destroying Vehicles with Ford Engines

Related article: Consumer Reports Analysts Reveal the Used Cars Most Likely to Need an Engine Rebuild and What to Buy Instead

In fact, just like a chain which is only as strong as its weakest link, some transmissions are known to fail only because a simple component when broken, cascades into a transmission self-destructing before the vehicle owner can recognize and react in time to prevent irreparable damage from occurring.

That’s the message in a recent FordTechMakaluco YouTube channel episode where its host warns Ford owners about a frequent problem with Ford's 6R80 six speed transmissions in the 2009-2014 Ford F-150, which also applies to the 2007-2014 Expeditions with the 6R75 and 6R80 transmissions.

The source of the problem is the transmission coolant lines that are snapping in two in the same spot resulting in an immediate loss of transmission coolant that then leads to the transmission burning up. The damage can easily cost the owner about $6,000 to have repaired.

To learn more about how this is a problem, here is the video in its entirety that shows where to look to identify if you have this transmission and where to look for the coolant line connector that needs a replacement option to prevent this from happening to you.


2009-2014 Ford F-150 6R80 Six Speed Transmission Cooler Line Failure: Don't Let This Happen to You!

And finally…

For additional articles about transmission problems, here are some selected articles that are informative and pertinent toward maintaining your vehicle:

Used Car Transmission Problem Options You Need to Know

Servicing Your Vehicle’s Automatic Transmission Can Be a DIY Project That Saves You Money

Six Vehicles with Fatal Engines or Transmissions to Avoid

The Sealed Automatic Transmission Flush Deception Revealed by a Mechanic

COMING UP NEXT: Catalytic Converter Criminal You Would Not Expect

Timothy Boyer is a Torque News automotive reporter based in Cincinnati. Experienced with early car restorations, he regularly restores older vehicles with engine modifications for improved performance. Follow Tim on Twitter at @TimBoyerWrites for daily new and used vehicle news.

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Comments

So what is Ford doing about the 6R75 & 80 poor design of coolant lines? I have a 08 expedition and a 09 F150, which I imagine I should replace both vehicle coolant lines.
Unfortunately, by the time Ford manufacturing gets around to resolving this problem with owners it will likely be too little too late. I'm hoping that the host of the video will post a follow-up video showing a recommended fix for the problem. Check the comments section of the video---sometimes someone will post what they did that helped. Good question. Thanks for the input.
best idea is to proactively replace the lines at a point in time that seems reasonable. 5 years? 75000 miles?
You mentioned transmission cooling lines, then stated that Transmission cooling will be lost. Hi! I've been a mechanic for most of my life. So I ask... Are you referring to transmission fluid and not coolant? All automatic Transmission have lines that goes to the radiator or a transmission cooling device and a combination of the two as the 2005 Silverado 1500. However, coolant running through the transmission fluid lines I have yet to see. Could you please clarify for the readers who aren't mechanically inclined?
Same coolant line issue for 2002-2009 f150. Different trans (4r70w) but same result.