Service Information Document Title: Coolant
Function Group: 160
Information Type: Service Information
Date: 6/29/2020
Profile: DD85 Volvo PID:80754427
Coolant Showing Selected Profile Valid for serial numbers Model
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DD85 Volvo PID:80754427 To avoid damage to the engine from frost, corrosion and cavitation, it is very important to treat the coolant liquid appropriately and check it. The following mixing ratio is recommended when concentrated coolant and clean water are used: Anti-freeze protection to
Proportion of concentrated coolant
Water proportion
–22 °C
min. 35%
65%
–28 °C
40%
60%
–35 °C
max.45%
55%
The water quality is very important for the treatment of the coolant and must show the following properties: Properties
min.
max.
pH-value at 20°C
6.5
8.5
Chloride-ion content (mg/dm³)
—
100
Sulphate-ion content (mg/dm³)
—
100
Total hardness
3
12
In the event of deviations of the values, the water must be treated in line with the admissible values. In the case of any uncertainty regarding the water quality, a fully mixed coolant must be used.