2001 Mercury Villager BaseFACTORY OEM SERVICE PROCEDURE

Ax4N, Ax4S & 4F50N

  1. Raise and support vehicle. Place drain pan under transaxle. Disconnect lower oil cooler line from transaxle. Plug oil cooler line fitting in transaxle. Using appropriate rubber hose, connect one end of hose to end of transaxle oil cooler line, and place opposite end of hose in 15 qt. (14L) drain pan.
  2. CAUTION: Turn engine off as soon as steady fluid flow from transaxle stops. Failure to turn engine off immediately when steady fluid flow stops will result in transaxle damage.
  3. Start engine and idle at less than 1500 RPM for about 40-60 seconds until steady stream of fluid stops. About 2-3 qts. (1.9-2.8L) will have drained from transaxle. Stop engine and add 10 qts. (9.6L) of appropriate fluid. See RECOMMENDED FLUIDSΒ . Start engine and idle at less than 1500 RPM for about 2-3 minutes until steady stream of fluid stops. Turn engine off.
  4. Reattach cooler line at transaxle. Add 2.0 qts. (1.9L) of appropriate fluid. Start engine and shift transaxle through all gear ranges. Add fluid in .5 pt. (.25L) increments, until correct fluid level is reached. See CHECKING FLUID LEVELSΒ .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.