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Type 44 - Retightening cylinder head bolts and visual checks

	Diesel (not 3D) cylinder head bolts: Retightening Tighten bolts with a normal spanner one quarter turn (90°) further in one movement without loosening them first (note sequence, engine cold or warm).
	Engine - Visual check Check engine, cooling/heating systems for leaks Check hoses and connections for porosity and perishing Fuel system in engine compartment: Check pipes, hoses and connections for leaks, chafing, porosity and perishing

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