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 MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 349 (ENGINE SYSTEM - GENERAL INFORMATION)GENERAL PROCEDURESPISTON PROTRUSION CHECK
2021 Ford Edge SE, 4WD
Piston Protrusion Check
2021 Ford Edge SE, 4WDSECTION Piston Protrusion Check
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .
Special Tool(s) / General Equipment
| Dial Indicator |
|---|
Check
- Verify that the cylinder block deck surface and the pistons are clean.
- The piston protrusion is measured in-line front and rear avoiding raised or etched marking.
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NOTE: Use a commercially available deck bridge such as the Proform® 66797 Magnetic Deck Bridge or equivalent.
- Using the dial indicator and a commercially available deck bridge, position at one of the points on the cylinder block deck surface. Use the General Equipment: Dial Indicator
- Zero the dial indictor on the cylinder block deck surface.
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NOTE: Only rotate the crankshaft clockwise.
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.