2013-2016 Edge, Flex, MKX, MKS, MKT, MKZ, Taurus, Police Sedan, Explorer, Police Utility – 6F50/6F55 Transmission Fluid Leak From Converter Housing
2013-2016 Edge, Flex, MKX, MKS, MKT, MKZ, Taurus, Police Sedan, Explorer, or Police Utility equipped with a 6F50/6F55 transmission can exhibit a transmission fluid leak from the converter housing area.
To properly diagnose, refer to the updated Workshop Manual, Section 307-01 for leakage inspection.
If the leak is found to be from the converter hub seal in the transmission housing, an improved seal is available, part number 7T4Z-7F401-B.
| Part Number | Part Description |
|---|---|
| 7T4Z-7F401-B | Hub Seal |
The converter hub should be inspected for visible damage or measurable wear.
The torque converter can be re-used with just a 7F401 hub seal replacement.
- Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit - Optimizes total transmission performance
- Eliminates transmission fluid foaming and oxidation and reduces wear throughout the transmission
- Eliminates clutch chatter and torque converter shudder; Softens and modifies harsh shifts making them quicker in duration
- Extends fluid life / Raises the thermal and oxidative stability of the fluid
- Only protectant that increases the fluid’s ability to transfer heat / Protects new seals and permanently restores older seals to a like-new condition, without adverse side effects
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
- Helps fluid systems work smoother and last longer.
- Safe in most types of automatic transmission fluid, hydraulics, or power steering fluid systems. Safe for conventional and synthetic fluids.
- Dissolves and liquefies harmful gum and varnish buildup in fluid
- Cleans and lubricates valve bodies, shift actuators and solenoids. Helps to control moisture in fluid.
- Will not swell seals or harm gaskets, O-rings, or clutch material
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
- Rebuilds And Restores Metal Parts And Protects Them From Future Wear.
- Anti Friction Modifier. Eliminates Surfaces Defects & Protects From Extreme Heat
- Stops Transmission Shudder, Reduces Noise & Vibration. Ultimate Stop Slipping Additive
- Increases Performance Reliability And Prolongs Service Life Of Control Gears
- Universal for Automatic, CVT, Tiptronic, Manumatic, Semi-Automatic Transmission
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
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