I have just looked back the receipt from my last service (@ Evans Halshaw Renault Aberdeen) and found out that they put in 10w40 oil. 
When i've just read in a thread it should be 5w40 :S
This service was 4,000 miles ago and i've had no issues with the running of my car since this.
Is it worth my while draining it and putting in the correct oil (5w40) ?
Or should i just leave it to till my 172 is its due its next service ?
When i've just read in a thread it should be 5w40 :S
This service was 4,000 miles ago and i've had no issues with the running of my car since this.
Is it worth my while draining it and putting in the correct oil (5w40) ?
Or should i just leave it to till my 172 is its due its next service ?