Escape 2WD L4-122 2.0L DOHC VIN B Zetec SFI (2003)
4. Install the special tools, compress the valve spring, and remove the valve spring retainer and valve spring.
5. Inspect the valve spring, valve spring retainer and valve spring retainer key. Install new parts as necessary.
6. NOTE: If air pressure has forced the piston to the bottom of the cylinder, any loss of air pressure will allow the valve(s) to fall into the cylinder.
A rubber band, tape or string wrapped around the end of the valve stem will prevent this from happening.
Use the special tools to remove the valve stem seal.
Installation
1. CAUTION: If the valve has been damaged, removal will be necessary for repair.
Remove the air pressure from the spark plug adapter and inspect the valve for damage. Rotate the valve and check the valve for eccentric
movement during rotation.
2. If the condition of the valve is satisfactory, apply Super Premium SAE 5W-20 Motor Oil or equivalent meeting Ford specification
WSS-M2C153-H to the valve stem and hold the valve closed. Apply the air pressure within the cylinder.
3. Lubricate valve and guides with Super Premium SAE 5W-20 Motor Oil or equivalent meeting Ford specification WSS-M2C153-H and using the
special tool install the valve stem seals onto the cylinder head valve guides.
4. Place the valve spring in position over the valve and install the valve spring retainer.
