Removal and Installation

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the camshaft roller followers. For additional information, refer to CAMSHAFT ROLLER FOLLOWER .

CAUTION: If air pressure has forced the piston to the bottom of the cylinder, any loss of air pressure will allow the valve to fall into the cylinder. If air pressure must be removed, support the valve prior to removal.

NOTE: Position the piston of the cylinder being serviced at the top of the stroke.

Fig 1: Applying Compressed Air In Cylinder

Courtesy of FORD MOTOR CO.

Use compressed air in the cylinder to hold both valves in position.
Install the special tool.

Fig 2: Installing Special Tool
Courtesy of FORD MOTOR CO.

NOTE: The 3 rearmost valves on the RH side must use special tool 303-567 in the same manner as is shown in Fig 3.

Fig 3: Removing Valve Spring Retainer Keys

Courtesy of FORD MOTOR CO.

Using the special tool, remove the valve spring retainer keys.
Remove the retainers and the valve springs.

NOTE: Lubricate the components with clean engine oil.

To install, reverse the removal procedure.