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SPRINGS-VALVE DESCRIPTION The valve springs are made from high strength chrome silicon steel. The springs are NOT common for intake and REMOVAL 1. Remove the cylinder head cover (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL). 2. Using Special Tool 8516 Valve Spring Compressor, remove the rocker arms and the hydraulic lash adjusters. 3. Remove the spark plug for the cylinder the valve spring and seal are to be removed from. 4. Apply shop air to the cylinder to hold the valves in place when the spring is removed. NOTE: All six valve springs and seals are removed in the same manner; this procedure only covers one 5. Using Special Tool 8387 Valve Spring Compressor, compress the valve spring. NOTE: It may be necessary to tap the top of the valve spring to loosen the spring retainers locks enough to 6. Remove the two spring retainer lock halves. 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 - 1490 ENGINE - 3.7L KJ |