Navigator 2WD V8-5.4L DOHC VIN R (2001)
5. Install the Valve Spring Compressor Spacer between the valve spring coils to protect the intake valve stem seal from damage.
6. Using the special tool, install the exhaust valve spring, the spring retainer and the valve spring retainer keys.
7. Remove the compressed air hose from the cylinder.
8. Install the spark plugs.
9. Install the roller followers.
