Procedures

2010 Mercury Mountaineer 4WD V6-4.0LSECTION Procedures



Transfer Case Draining and Filling





1. NOTICE: Transfer case failure can result if the correct fill procedures are not followed.

NOTE: Position a suitable drain pan under the transfer case.

Remove the drain plug and drain the fluid.

2. Clean and install the drain plug.
- Tighten to 20 Nm (177 lb-in).

3. NOTICE: Incorrect fluid fill can result in transfer case failure.

NOTE: Fill the transfer case with the vehicle on a level surface. Make sure the fluid is level with the filler opening for the correct fluid level.

Clean the area around the fill plug. Remove the fill plug. Using a suitable oil suction gun, fill the transfer case to the correct level with the specified fluid.





RENDER: 1.0x

NO RELATED

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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.