Coolant strength

[walter]

Just ad first service on my 74plate trophy at MG Leeds looking at the check sheet it says measure and record Coolant strength 93 anyone any idea what it’ll refer to? Thanks.

 

[Alb]

Probably just measuring Specific Gravity as a percentage of the new specification. It can then optionally be mapped to an expected freezing point (typically somewhere around -30 to -40 Deg C).