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To remove a Mercedes 420 SEL cylinder head, first, disconnect the battery and drain the coolant. Next, remove the intake and exhaust manifolds, along with any connected components such as the fuel lines and electrical connectors. Then, loosen the head bolts in the specified sequence to prevent warping, and carefully lift the cylinder head off the engine block. Ensure to inspect the mating surfaces and replace any gaskets as needed during reassembly.

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What is the procedures of removing and refitting of cylinder head of Mercedes 420 sal model 1989?

To remove the cylinder head of a 1989 Mercedes 420 SEL, first disconnect the battery and drain the coolant. Then, remove the intake and exhaust manifolds, along with any attached components such as the throttle body and fuel lines. Unbolt the cylinder head, ensuring you follow the correct sequence to avoid warping, and lift it off. For refitting, clean the mating surfaces, replace the head gasket, and torque the cylinder head bolts to the manufacturer's specifications in the proper sequence.


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