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For the 1999 model year of Audi A4 we have found that all trims use the same coolant:
Engine Code: AEB, ATW
7-7,5 litre
Engine Code: AEB, ATW
7-7,5 litre
Engine Code: AHA, ALG, APR, AQD, ATQ
6 litre
Engine Code: AHA, ALG, APR, AQD, ATQ
6 litre
Engine Code: APB
6 litre
CoolantType.com is a free online resource where volunteers catalogue the most popular cars and their coolant types.
Coolant (or antifreeze) is used in the engine to stop the water used to transfer heat to the radiator freezing due to low temperatures.
Coolant also works in the opposite direction, by preventing damage from the water being too hot if the engine is overheating.
Just browse to the home page and use the drop-down menu to find the car you are looking for.
Warning!
All information shown on this site is to be taken as advice only.
We have done our best to ensure that it is as accurate as possible.
