Coolant hoses -GT3 Coolant -GT3 · Check their condition Check level in the

911 Carrera (996) Maintenance Coolant hoses -GT3 Coolant -GT3 Check their condition Check level in the coolant expansion tank and antifreeze protection Radiators GT3 Note Visual inspection for external contamination The engine cooling system was filled with a lifetime coolant filling at the factory. This Note coolant must not be mixed with or replaced by If necessary,the cooling air inlet channels other coolants. OnlyOriginal Porsche coolant upstream of the radiators can be cleaned with must be used when changing or topping up a vacuum cleaner nozzle (commerciallyavailable the coolant. The antifreeze protection is filled tool, Chapter 2.4 Order no. 160). It is absolutely to a value of: -350 C at the factory. If the necessary to ensure that the radiators are not measuredvalues shows that too little antifreeze blocked. Soiled radiators hinder optimum cooler is available,this must be corrected accordingly. action and can lead to thermal problems If coolantwhich is not approved by Porsche wasespeciallyin very warm regions. If the radiators used for topping up, the cooling system mustare soiled, they must be cleaned. be rinsed. 0 138_99 03 20 00 Maintenance -GT3 03 -31 Printed in Germany -25, 1999 9960327