For 1989 240 engine it’s necessary to get normal temperature balance. It’s important to use 9.4 liters of coolant which has Green color. In 1990 the company produced vehicles with 2.0 engine having code of B200E. There are some conditions in servicing cooling module at Volvo 240. Make sure you service system at Volvo with installed 2.0 engine correctly.
There is a big plus in servicing 1992 Volvo 240 with all regulations. Produced in 1988 the 2.3 engine in 240 model will serve longer by this. A lot of B200E motors are used long in Volvo cars but only with good service. To endure car life take only Green antifreeze and pour not more or less than 9.4 liters.