Ford 6R Series Archives - Transmission Digest
A guide to common GM, Ford and Nissan programming issues

One of the most common complaints I hear from shops when trying to install a new GM TCM is, “The module will not communicate.” While that might be partially true, by design they won’t communicate until they are programmed. If programming fails, there will be an “E” code set which will help you get to

Sonnax introduces new piston for ZF, Ford six-speed transmissions

Sonnax highlights its new high-strength billet aluminum piston (part no. 95984-01), which is designed to provide additional strength in ZF 6HP26 and Ford 6R60/75/80 transmissions. According to Sonnax, die-cast ZF 6HP26 and Ford 6R60/75/80 pistons commonly crack at the outer diameter of the apply area due to manufacturing defects and/or high stress areas, which is

Sonnax highlights center support snap ring for Ford 6R series

Sonnax highlights its new center support snap ring for Ford 6R60, 6R75 and 6R80 transmissions. The company says this part (part no. 95630-01) can restore proper endplay, save the center support and prevent future wear in these transmissions.

Rostra offers variable bleed solenoids for Ford 6R80, 6R100, 6R140

Rostra has announced the availability of 10 NH/NL variable bleed replacement solenoids for bands 1–5 of Ford‘s 6R80, 6R100, 6R140 transmissions. According to the company, replacement solenoids for have been notoriously hard to find, as dealer availability can be spotty, and core pile finds may not be reliable. Rostra says these solenoids come with an

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

Ford 6R80 & 6R140: Troubleshooting timing-related shift issues

As the old saying goes: “timing is truly everything.” Or is it? Either way, we know for sure that this is extremely true in the world of transmissions. Timing problems with clutch apply or with combined clutch apply and clutch release can create all kinds of complaints from flared shifts to harsh shifts to a

RatioTek introduces new transmission tuner kits for Ford, BMW, ZF

RatioTek has introduced two new transmission tuner kits: one for Ford and BMW applications, the other for ZF transmissions. The RT‐6R80‐PR and RT‐6R80‐PRX products are suited for Ford 6R60/75/80/90/100 and BMW ZF6HP26 ‐ ZF6HP28 six-speed rear-wheel drive applications from 2005 through 2022. The RT‐8HP75‐PR and RT‐8HP75‐PRX tuner kits, meanwhile, are suited for ZF8HP45/70/90/95 eight-speed rear-wheel