Before you go just send me a private message. He must have forgotten things by now so i would just remind him everything he needs to do and in case you understand the procedure yourself you can directly go and get it done. I would recommend you to carry atleast a 1.5 litre bottle with you for measurements.
Kashif - Road winner autos
DHA PHASE 2 - Extension
Just don’t ever trust the competency of any mechanic. I would advise you to make sure you understand every part of this procedure yourself aswell. In case you are not able to send me a PM. I’ll direct him once again