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Cylinder Head Gasket Replacement

Model: Renault Megane Megane 3, Megane III - Years 2008-2015
Part: Engine

Before installing the new cylinder head gasket, it is essential to check that any previous overheating has not warped the cylinder head and block surfaces. Use a straight edge and a feeler gauge to ensure the surfaces are perfectly flat. Clean the threads of the head bolt holes with a tap of the appropriate diameter and pitch, taking care not to let any debris fall into the cylinders. Apply the new gasket, position the cylinder head, and use a new set of bolts for fastening, applying copper grease to the bottom of the threads and under the heads of the bolts. Tighten according to a cross pattern using both a torque wrench and a standard wrench.

Updated on 17 February 2026 by ScegliAuto

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