u/PossibilityOk9694

Hi all got a 2013 Audi s4 cwgc engine

Only just bought the car the other day did all my check before buying of course.

I’ve done about 100ish miles of hard driving and the coolant light came on , and my coolant had just disappeared to minimum or slightly below

No overheating , no milky oil cap, no bubbles in tank when u switch car on while it’s already hot.

No external obvious leaks and no white smoke

Pcv valve thermostat and watepump have not been done, well no proof of it at least so I’m going to presume it’s not been done

Just really scared it’s headgadket or somet but it’s very rare I heard.

Any ideas please. Car drives fine no misfires at all,

previous owner did have issues in January with slight overheating and he said changing all pulleys and belt fixed the issue because one pulley wasn’t spinning apparently ? Coolant looks brand new and he said he can’t remember rhe last time he put his foot down so I’m going to presume me pushing the car hard has found air lock to come to top and push coolant down?

hi guys I’m looking at buying a 2017 b9 s4 , I’m just worried about the rocker arm issue I’ve seen going around

It’s on 77k miles seems to have fully service history , but how can I make pre purchase inspection for these rocker arm issue I know you can hear its sound but what about down the line they randomly fail?

Thanks

Potentially going to look at a 2015 Audi s4 with the CREC engine here in uk

Any specific things I need to check