Audi 100 C3 owners manual page 116

text version of content this owner's manual page from owners manual to the vehicle Audi 100, year of production 1982 - 1991:

VEHICLE CARE If the cause for the ov erheating cannot Coolant losses Always add antifreeze and water in the be determined and corrected, contact Coolant losses may indicate a leak in the your authorized Audi dealer immediately, ratio specified on the container by the cooling system. In this case, the cooling antifreeze manufacturer. system should be inspected immediately otherwise serious engine damage uld co result. Increasing the antifreeze in the by your authorized Audi dealer. It is not coolant to more than 60 % is not only sufficient merely to add coolant. uneconomical, it is also detrimental to Adding coolant In a sealed system, losses can only engine cooling. occur if the boiling point of the coolant is Turn off the engine and allow it to cool exceeded as a result of overheating. down. Only use quality phosphate-free anti- Overheating can occur if: freeze containing ethylene glycol. Such antifreeze is available at your Audi the flow of air to the radiator is obstructed by leaves, dust, insects or by WARNING dealer. Reduce the risk of scalding from hot Antifreeze, other than specified by Audi, additional lights installed in front of the may cause corrosion of the cooling radiator grille; coolant by following these steps. system, leading to engine overheating If the coolant reservap must oir cand damage. the boiling point of the coolant has be removed wait until the engine has been reduced due to an incorrect mixture Only for topping-up coolant, a small cooled down. The cooling system is of coolant and water – see previous amount of antifreeze containing ethylene page; under pressure. glycol and phosphates may be used, if the radiator fan is not working – see Protect lace, hands and arms by recommended antifreeze is not available. covering the cap with a large, thick "Radiator fan", or; Cold antifreeze and cold water should only be added when the engine is cold, rag to protect against escaping fluid the vehicle is being driven up a long and steam. too. hill in a low gear with engine speed very Carefully and slowly turn cap one After adding coolant, run the engine high and at v ery high ambient at idle speed for a few seconds. temperature-see "Radiator fan". turn to allow excess pressure to esca- pe before completely removing cap. Check coolant level once again. Add more coolant if necessary. Always heed WARNINGS on page 102. 114

owners manual Audi 100

owners manual Audi 100 - year of production: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991 - Audi 100 C3 owners manual EN