5.8 Limit values for coolants

pH value when using: – Emulsifiable corrosion inhibiting oil – Antifreeze – Coolant without antifreeze for engines containing light metal – Coolant without antifreeze for engines free of light metal Silicon (valid for coolants containing Si) Min. 7.5 Max. 9.5 Min. 7.0 Max. 9.0 Min. 7.0 Max. 9.0 Min. 7.0 Max. 11.0 Min. 25 mg/l

Table 18:

The coolant must be changed in case of non-compliance with the above specifications.

Note:

For a holistic appraisal of a coolant function, apart from the above-mentioned limit values the respective coolant-specific characteristic data and the freshwater quality used must be taken into consideration.