Aviator 2WD V8-4.6L DOHC (2003)
1. Using the special tools, install the new intake valve stem seals. Repeat this step to install all necessary intake valve stem seals.
2. Install the special tool between the valve spring coils to protect the intake valve stem seal from damage.
3. Position the intake valve spring and the spring retainer over the intake valve stem and valve seal.
4. Using the special tool. compress the intake valve spring. Install the intake valve spring retainer keys.
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Remove the compressed air hose from the cylinder.
Items 4-1: Exhaust Valve Seals, Valve Springs and Valve Spring Retainer Keys Installation Note
NOTE: Carry out the following steps for each cylinder requiring service.
