Download Remove DANGER: Risk of explosion from hydrogen gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury to eyes and skin suffering caustic burns from battery electrolyte or from contact with damaged lead acid batteries. No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Pour battery electrolyte only into suitable and appropriately marked containers. 1 Disconnect ground cable of battery CAUTION: Do not connect quiescent current retention device otherwise this may cause damage to the control module. 2 Remove spark plugs NOTE: To ensure that the engine can be easily cranked when drawing in the timing chain, and to avoid the timing chain jumping across. Remove only once spark plug of each cylinder. 3 Remove cylinder head covers Air cleaner mounted on vehicle Air cleaner positioned at engine side 4.1 Remove fan shroud NOTE: Not Model 211.061/065/070, 230.475 4.2 Remove electric fan 5 Position engine to 40 degrees after TDC of first cylinder. NOTE: Engine must not be cranked backwards.