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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 266 (AUTOMATIC TRANSMISSION)IN-VEHICLE REPAIROVERDRIVE SERVOINSTALLATION
2010 Mercury Mariner Hybrid, AWD
Overdrive Servo: Installation
2010 Mercury Mariner Hybrid, AWDSECTION Installation
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Install the overdrive servo piston assembly.
- Install the overdrive servo piston return spring.
- Install the overdrive servo piston assembly.
- Use the special tool to install the overdrive servo piston retaining ring.
- Install the main control valve body. For additional information, refer to MAIN CONTROL VALVE BODY .
- If equipped with fire suppression system, repower the system.
WARNING:
If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM
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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.