Starter Motor: Service and Repair

2010 Mercury Mountaineer AWD V6-4.0LSECTION Service and Repair



Starter Motor - 4.0L SOHC









Removal and Installation

WARNING: Always disconnect the battery ground cable at the battery before disconnecting the starter motor battery terminal lead. If a tool is shorted at the starter motor battery terminal, the tool can quickly heat enough to cause a skin burn. Failure to follow this instruction may result in serious personal injury.

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.

2. Disconnect the battery ground cable. For additional information, refer to Battery.

3. Remove the starter motor solenoid terminal cover.

4. Remove the B-terminal nut and disconnect the cable.
- To install, tighten to 12 Nm (106 lb-in).

5. Remove the S-terminal nut and disconnect the cable.
- To install, tighten to 6 Nm (53 lb-in).

6. Remove the nut and position the ground cable aside.
- To install, tighten to 20 Nm (177 lb-in).

7. Remove the bolt, the stud bolt and the starter.
- To install, tighten to 25 Nm (18 lb-ft).

8. To install, reverse the removal procedure.
- Tighten the upper bolt before tightening the lower fastener.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.