torque converter slip actual vs desired

Hydraulic slippage is much less desirable at cruising speed. I would be surprised if this is your issue at 81,000 miles. If you shop at Amazon.com (for anything), use this link to support FordFlex.net! The turbine has a spline that attaches to the transmission input shaft, which connects to the internal parts of the transmission to shift gears and provide power to the wheels. Even though Dyno numbers are just a number, For reference my 2018 Gen3 made 400rwhp/390rwtq stock with 5k miles on a Dynojet,, It hit the speed limiter at 6700. The information below will outline the most common torque converter issues and their solutions. That's because torque converters transfer the power your car engine makes to the transmission in your car. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Heat is the enemy of any automatic transmission and will radically reduce its life span if not mediated by an efficient trans cooler. I changed the transmission fluid (Mercon LV) at 63k miles back in 2017. Clutch material, bearing and bushing pieces, and a shiny metal flake appearance will be an indicator that things are coming apart inside. 2. Transmission Range) start a datalog or have an assistant drive and watch Torque Converter Slip Actual (TCA) and Torque Converter Slip Desired (TCD). Since taking all the of the steps outlined above, I can confirm that the transmission has been running properly and the clutch working as expected. The reason for increasing stall speed is directly related to the engine's torque curve. iThemes is one of the Liquid Web family of brands; iThemes and Liquid Web are trademarks of Liquid Web, LLC.). New to the site and found it because of this read. Think of a lock TC as the clutches in your tranny. Your car will vibrate even when youre not going very fast. Wallace Racing BACK to Auto Math. There are tried and true methods for fixing the five common torque converter issues. This website is using a security service to protect itself from online attacks. It is not common for the knock sensors to fail, especially at such a low mileage. Each PayPal payment or donation button may also incorporate a tracking pixel called "pixel.gif" (which loads from paypalobjects.com). With no slip at all. Desired is what the PCM is commanding and Actual is how much it is actually slipping measured in RPM. Unless you have tune that keeps the converter unlocked, the converter should've locked. If you are experiencing shuddering, also check your engine mounts. Well, I thought I did explain that in my reply post. ), These first-party cookies are used to manage user logins and certain other administrative functions of the WordPress content management system, e.g., post editing. By logging into your account, you agree to our. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data.

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