Cooling system External: Cleaning the radiator and charge air cooler IMPORTANT! Do not use caustic soda or other alkaline deter- gent as this could damage the aluminium. WARNING! To ensure proper handling of detergent, study the warning text on the packaging concerned. 1. Check that the radiator and the charge air cooler are not clogged on the air side and that the cooling fins are not damaged. 2. Carefully scrape away any deposits from the radiator cooling fins. Use a paraffin-based engine cleaner if necessary. 3. Carefully straighten bent cooling fins using a steel brush or the like. 00:23-03 en-GB 34 © Scania CV AB 2016, Sweden