Ford 6R140 Archives - Transmission Digest
Looking deeper: Telling apart electrical issues and parts issues

We see such a variety of transmission problems these days, and all the electronics involved today certainly have added a whole new crop of potential issues. Even though a significant part of our diagnostic process is geared towards electrical issues, there are still times when the problem is simple and not related to electronics at

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Sonnax introduces Ford 6R140 bypass blocker valve kit

Sonnax has introduced a new bypass blocker valve kit for Ford 6R140 transmissions, model years 2011 to 2016. The company says this kit is made to replace the faulty thermal element lineup in these transmissions to prevent the potential of overheating. The kit (part no. 126740-26K) includes a drop-in Zip Valve for installation.

Sonnax introduces Ford 6R140 converter limit valve kit

Sonnax has introduced a new drop-in converter limit valve kit for Ford 2011 and later 6R140 transmissions. Sonnax says this kit can help users recover hydraulic control and renew TCC performance in these transmissions. This kit (part no. 126740-25K) features a drop-in sleeve/valve assembly to compensate for wear and excess clearance, including in worn bores.

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Look for the little details: Three transmission repair case studies

Below are three examples of trucks that came into transmission shops, yet either did not have a transmission problem, or had a simpler issue than it originally seemed. Read on for the stories. Case study 1: Chevrolet 2500 HD Our first example features a 2006 Chevrolet 2500 HD 2WD. It has 76,257 miles on the

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The 6R140 torque converter: Common fault codes and how to rebuild

There are many reasons for converter clutch slip codes to occur in vehicles equipped with the Ford 6R140 transmission. One is bore wear in the valve body with any one of the three valves related to converter clutch apply and release. Low line pressure could be another. But there is a third that is inherent

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Potential causes of an overheated transmission: It’s not always what you think

If a transmission starts overheating, the root cause must be something to do with the transmission itself, right? Not always. The following are a few examples where the transmission was not to blame. Exhibit A: GM 6L80/90 The first overheating case comes from GM 6L80 and 6L90 transmissions equipped with a thermal bypass valve in

Georend Transmission adds Ford 6R140 transmission pan kit

Georend Transmission has announced a new Ford 6R140 transmission pan kit. Features and benefits highlighted by the company include the following:

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Being tuned in: The value of transmission tuning

Tuning a vehicle to optimize its performance is nothing new. This customized process is used to provide fuel efficiency and improve other driveability concerns. Tuning for torque is especially desirable by diesel owners.Those who are proficient at tuning know that the transmission will need serious upgrades to survive the increased force it will receive from

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Ford 6R140 no engagement cold

The complaint A 2015 Ford F-250 equipped with the 6R140W transmission has just been overhauled. Shortly afterward, the transmission has begun to develop forward and reverse engagement problems when the unit is cold. As it warms up towards operating temperature, the engagement problems diminish and do not return until the next cooldown period. Trouble codes

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Transmission stories to be thankful for

Transmission repair is all about solutions. Problems present themselves; repair professionals solve them. That’s why this Thanksgiving, we’re thankful for solutions. Here at TD, we pride ourselves on playing a role in getting transmission professionals the assistance they need, whether that’s technical info or just telling stories of industry successes. Here are five transmission stories,

Troubleshooting Ford 6R80, 6R140 2-3 shift quality issues

We are all too familiar by now with the numerous band numbers on Ford 6R80 and 6R140 transmissions. We know that — unless you are programming in a new calibration code — it is best to replace a solenoid with the exact same band number as what was taken out of that position on the

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Ford 6R140: Identifying unique torque converter features and avoiding application pitfalls

The Ford 6R140 was introduced in 2010 (for 2011 model year trucks) as a six-speed used in Super Duty gas- and diesel-powered applications. Today, these units are in high-value, hard-working trucks at the peak of the repair cycle. Aftermarket programming (especially with the diesel variants) is pulling additional power from the engines, putting further loads

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