Explorer AWD V6-4.0L VIN K Flex Fuel (2003)
Install the camshaft sprocket and loosely install the bolt.
3. The camshafts must be retimed.
Item 6: Valve Seals Installation Note
1. Using the special tool, install the valve stem seal.
Item 5-3: Valve Spring, Valve Spring Retainers, and Valve Spring Retainer Keys Installation Note
1. 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.
Using the special tool, install the valve spring retainer keys, the valve springs and the retainers.
Item 2: Roller Follower Installation Note
1. NOTE: The roller followers must be installed in their original position.
Using the special tool install the roller followers.
