E 150 V8-4.6L SOHC VIN W (2004)
5. Remove the valve springs.
1. Remove the valve spring retainer keys.
2. Remove the valve spring retainers.
3. Remove the valve springs.
Installation
1. Position the valve spring and the valve spring retainers.
2. Install the special tool between the valve spring coils to prevent valve stem seal damage.
3. Use the special tool to compress the valve spring. Install the valve spring retainer keys.
4. Install the camshaft roller followers.
5. Install the spark plug.
