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 1390 (ENGINE MECHANICAL - 3.5L)DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIESPISTONDISASSEMBLY
2010 Mercury Mariner Hybrid, AWD
Disassembly And Assembly Of Subassemblies: Piston: Disassembly
2010 Mercury Mariner Hybrid, AWDSECTION Disassembly
WARNING: This page is about a different car, the 2011 Lincoln MKZ and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the piston rings from the piston.
- Discard the piston rings.
- Remove the 2 piston pin retainers and the piston pin.
- Discard the 2 piston pin retainer clips.
NOTE:
If the piston and/or connecting rod are being installed new, the piston rod orientation marks and the arrow on the top of the dome of the piston should be facing toward the front of the engine block.
RENDER: 1.0x
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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.