How come belts have interference with petrol avg? My car gets heavy on AC so that might be the problem. I got a mechanic to check it and he said the compressor is bad so thats why its getting heavy. I don't believe him really.
I have changed the spark plugs with NGK iridium ones, changed transmission fluid with CVT toyota and changed the oil to Toyota 20w50. Engine oil I am gonna change after 1000km to 5w30 liqui moly or if you suggest total 9000. Do you know where I can get it genuine in islamabad?
Didn't think about the coolant so I will do that too. @ch.daniyal3341