Transaxle Description

2005 Mercury Sable V6-3.0L DOHC VIN SSECTION Transaxle Description
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.