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 151 (STEERING SYSTEM-GENERAL INFORMATION)GENERAL PROCEDURESPOWER STEERING SYSTEM FLUSHING
2010 Mercury Mariner Hybrid, AWD
Power Steering System Flushing
2010 Mercury Mariner Hybrid, AWDSECTION Power Steering System Flushing
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL SPECIFICATION - POWER STEERING SYSTEM FLUSHING
| Item | Specification |
|---|---|
| MERCON® Multi-Purpose ATF Transmission Fluid XT-2-QDX | MERCON® |
WARNING:
Do not mix oil types. Any mixture or any unapproved oil can lead to seal deterioration and leaks. A leak can ultimately cause loss of fluid, which can result in a loss of power steering assist. Failure to follow these instructions may result in personal injury.
- Remove the power steering fluid reservoir cap.
- Using a suitable suction device, remove the power steering fluid from the reservoir.
- Disconnect the power steering fluid return hose from the reservoir.
- Remove the clamp.
- Plug the power steering fluid reservoir inlet port.
- Attach an extension hose to the power steering return hose.
- Place the open end of the extension hose into a suitable container.
- Fill the power steering fluid reservoir with new fluid.
- Start the engine while simultaneously turning the steering wheel to lock and then immediately turn the ignition switch to the OFF position.
NOTE:
Do not reuse the power steering fluid that has been flushed from the power steering system.
CAUTION:
Do not overfill the reservoir.
CAUTION:
Do not allow the power steering pump to run completely dry of power steering fluid.
CAUTION:
Avoid turning the steering wheel without the engine running as this may cause air to be pulled into the steering gear.
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.