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NOTE: the valve spring is under tension use care when releasing the valve spring compressor. 7. Remove the valve spring compressor. NOTE: The valve springs are NOT common between intake and exhaust. 8. Remove the spring retainer, and the spring. 9. Remove the valve stem seal. NOTE: The valve stem seals are common between intake and exhaust. INSTALLATION NOTE: All six valve springs and seals are removed in the same manner; this procedure only covers one 1. Apply shop air to the cylinder to hold the valves in place while the spring is installed. NOTE: The valve stem seals are common between intake and exhaust. 2. Install the valve stem seal. NOTE: The valve springs are NOT common between intake and exhaust. 3. Install the spring retainer, and the spring. 4. Using Special Tool 8387 Valve Spring Compressor, compress the valve spring. 5. Install the two spring retainer lock halves. NOTE: the valve spring is under tension use care when releasing the valve spring compressor. 6. Remove the valve spring compressor. 7. Disconnect the shop air to the cylinder. 8. Install the spark plug for the cylinder the valve spring and seal was installed on. 9. Using Special Tool 8516 Valve Spring Compressor, install the rocker arms and the hydraulic lash adjusters. 10. Install the cylinder head cover (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - INSTALLATION). ENGINE BLOCK DESCRIPTION The cylinder block is made of cast iron. The block is a closed deck design with the left bank forward. To provide 9 - 818 ENGINE - 3.7L SERVICE INFORMATION ND |