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.
Cylinder Head: Assembly
2021 Ford Edge SE, 4WDSECTION Assembly
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
All cylinder heads
NOTE:
LH shown, RH similar.
- Install the valve.
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NOTE: Use valve stem seal pliers (such as BeTooll HW0107 or equivalent).
- Lubricate the valve stem seal with clean engine oil.
- Use commercially available valve stem seal pliers to install the valve stem seal.
- Using the special tools, install the valve spring, valve spring retainer and the valve collet. Use Special Service Tool: 303-300 (T87C-6565-A) Set, Valve Spring Compressor., 303-350 (T89P-6565-A) Compressor, Valve Spring., 303-1249 Valve Spring Compressor.
- Repeat the previous 3 steps for each valve.
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NOTE: If a spark plug is dropped, internal damage may result and the spark plug must be discarded. The use of a damaged spark plug may cause cylinder misfire resulting in engine damage
Install the spark plugs.
Torque: 133 lb.in (15 Nm)
RH cylinder head
-
NOTE: Do not lubricate the new lower Teflon® fuel injector seals.
- Install the Arbor on the fuel injector tips. Use Special Service Tool: 310-207 Installer, Fuel Injector Seal Assembly.
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NOTE: Once the Teflon® seal is installed on the Teflon® Seal Guide, it should immediately be installed onto the fuel injector to avoid excessive expansion of the Teflon® seal.
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.