Help, is my coolant messed up? G 12 A8D
Hi all,
Bought A4 Avant 1.9TDi 1996.
I've just had the car serviced (first time) and thought i'd check to see what the guys done. Opened up the coolant and it's all horrid and brown with the expansion tank coated with grimey stuff (see image). Unfortunately i've not had time to check this before i gave it in for service (but it looks like it's been like that for a while).
I've just come across "Supplement to owners manual" where it mentions that the coolant isn't standard, it's G12 A8D (whatever that is) and cannot be mixed with anything else. It's identified by it's 'red' colour, i'f it's brown that means it's been mixed and should be replaced immediately or could cause serious engine damage....
Now is this as bad as they're making out or just a simple replacement. How would they go about doing this?
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