Ford DR3Z-6049-B Cylinder Head Assembly

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The mating surfaces of the cylinder heads and engine block must be perfectly clean. Use a plastic scraper and silicone gasket remover, followed by brake system cleaner. Cover all openings with shop rags to keep debris out of the engine.

1. Relieve the fuel system pressure. 2. Disconnect the cable from the negative battery terminal. 3. Drain the cooling system. 4. Remove the strut tower cross brace mounting nuts and brace, if equipped. 5. Remove the valve covers. 6. Remove the intake manifold and the coolant crossover housing on 4.6L engines. 7. Remove the engine. 8. Remove the exhaust manifolds. 9. Remove the timing chain, tensioners, and sprockets. 10. Remove the camshafts. 11. Following the reverse of the tightening sequence, use a breaker bar to remove the cylinder head bolts. Loosen the bolts in sequence, 1/4-turn at a time. 12. Lift the cylinder head(s) off the engine. If resistance is felt, place a wood block against the end and strike the wood block with a hammer. Caution: The cylinder heads are aluminum; store them on wood blocks to prevent damage to the gasket sealing surfaces. 13. If the head sticks, use a prybar at the corners of the cylinder head-to-engine block mating surface to break the cylinder head gasket seal. Do not pry between the cylinder head and engine block in the gasket sealing area. 14. Remove the cylinder head gasket(s). Before removing, note which gasket goes on which side (they are different and cannot be interchanged).