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6. Remove the spring retainer, and the spring. NOTE: Check for sharp edges on the keeper grooves. Remove any burrs from the valve stem before remov- 7. Remove the valve from the cylinder head. NOTE: The valve stem seals are common between intake and exhaust. 8. Remove the valve stem seal. Mark the valve for proper installation. TESTING VALVE SPRINGS NOTE: Whenever the valves are removed from the Inspect the valve springs for physical signs of wear or INSTALLATION 1. Coat the valve stem with clean engine oil and insert it into the cylinder head. 2. Install the valve stem seal (3). make sure the seal is fully seated and that the garter spring at the top 3. Install the spring (6) and the spring retainer (2). 4. Using the valve spring compressor, compress the spring (6) and install the two valve locks (1). 5. Release the valve spring compressor and make sure the two valve locks and the spring retainer are 9 - 2218 ENGINE - 4.7L - SERVICE INFORMATION DR/DH |