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 255 (ENGINE SYSTEM-GENERAL INFORMATION)GENERAL PROCEDURESPISTON WRIST PIN SIDE CLEARANCE
2010 Mercury Mariner Hybrid, AWD
Piston Wrist Pin Side Clearance
2010 Mercury Mariner Hybrid, AWDSECTION Piston Wrist Pin Side Clearance
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.
- Measure the clearance between the connecting rod and the piston. Verify the measurement is within specification.
- If out of specification, install new components as necessary. Refer to ENGINE for the procedure.
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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.