Cylinder Head: Assembly

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Coat the valve stems with clean engine oil.

Install the valves.

NOTE: Use the protector provided with the replacement kit to prevent damage to the valve seals. Lubricate the valve stems and guides with clean engine oil.

Using the special tool, install the valve seals.

Fig 1: Installing Valve Seal Using Special Tool (303-470)

Courtesy of FORD MOTOR CO.

NOTE: Check the seating of the valve collets.

Using the special tools, install the valve springs.
- Insert the valve springs and the valve spring retainers.
- Compress the valve springs and install the valve collets, using grease and a small screwdriver.

Fig 2: Identifying Special Tools (303-300, 303-350, 303-472)

Courtesy of FORD MOTOR CO.

NOTE: Coat the valve tappets with clean engine oil.

Install the valve tappets.

CAUTION: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

Install the spark plugs.
- Tighten to 12 Nm (9 lb-ft).
Install a new CHT sensor.
- Tighten to 12 Nm (9 lb-ft).
Install the EGR valve, using a new gasket.
- Tighten to 20 Nm (15 lb-ft).
Using a new gasket, install the coolant outlet and bolts.
- Tighten to 10 Nm (89 lb-in).