Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSIONDESCRIPTION AND OPERATIONTRANSAXLE DESCRIPTION
2005 Ford Taurus SEL, 4D Sedan
Transaxle Description
2005 Ford Taurus SEL, 4D SedanSECTION Transaxle Description
The 4F50N (AX4N) automatic transaxle is a four-speed unit with electronic shift control. It is designed for operation in a transverse powertrain for front-wheel drive vehicles and has the following major components:
- case with chain cover
- chain drive
- apply components:
- two friction bands: overdrive, coast
- five friction clutches: forward, direct, intermediate, reverse, low-intermediate
- three one-way clutches: low, direct, low-intermediate
- two simple planetary gearsets:
- front
- rear
- final drive planetary gearset
- differential
- pump assembly
- main control
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.