Coolant - noddy question

Originally Posted by Alpinestarhero

My dad put in green, i topped up with some fluorescent orange stuff

I would advise you drain and replace with only red.

The green has a 2 year life, red is long-life and is rated for 5 years.

Mixing the two different types causes a reaction between them, and waxy deposits then build up in the system, blocking the radiator and even hoses.