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 MANUALSFORD2012EDGE AWD V6-3.5LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINEADJUSTMENTS
2012 Ford Edge AWD V6-3.5L
Engine: Adjustments
2012 Ford Edge AWD V6-3.5LSECTION Adjustments
Valve Clearance Check
1. Remove the valve covers. For additional information, refer to Valve Cover- LH and Valve Cover- RH .
2. NOTE: Engine must be at room temperature before measuring. The valve clearance must be measured with the camshaft at base circle. The engine will have to be rotated with the crankshaft pulley bolt to bring each valve to base circle.
Use a feeler gauge to measure the clearance of each valve and record its location. A midrange clearance is the most desirable:
- Intake: 0.15-0.25 mm (0.006-0.01 in)
- Exhaust: 0.360-0.460 mm (0.0142-0.0181 in)
3. NOTE: The number on the valve tappet reflects the thickness of the valve tappet. For example, a tappet with the number 3.310 has the thickness of 3.31 mm (0.13 in).
If any of the valve clearances are out of specification, select new tappets using this formula: tappet thickness = measured clearance + the base tappet thickness - most desirable thickness.
Select the tappets and mark the installation location.
4. If required, install the new selected valve tappets in the marked locations. For additional information, refer to Valve Tappets .
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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.