Ask Honest John

Most recently answered air con questions
I am concerned about the advice regarding how long air conditioning needs to be on as I have only put mine on occasionally when on a long downhill runs so that no energy is taken from the motor. If I now...
You recently advised that the best way to keep your car's air con healthy is to keep it switched on. I think that's bad advice as it uses up to 10 per cent more fuel!
I have a two year old Skoda Karoq and done 7,000 miles. My dealer has emailed to say my air con service is due. Do I need one?
We bought a 2014 Audi TT with 38,000 miles on the clock from an independent dealer. The air con makes an annoying squeak; not loud, just persistent. We notified the dealer within a few days of purchase....
My son bought a car on Sunday from a secondhand dealership. On the test drive, the air con was blowing but didn't seem very cold so he assumed maybe it hadn't had a chance to cool (he knows this shouldn't...
I recently bought an Audi Q7 approved used from an Audi dealer. It was delivered to me in Kent at the end of March. I had no need to really use the air conditioning at the time, but in the recent weather...
This weekend, I found the air conditioning in my 2016 Honda had failed. I took it to the Honda service centre today and they found a failure in one of the seals. I have an extended warranty so the replacement...
A trusted AC specialist says I need a new condenser for my air conditioning unit and has quoted £400 for a replacement, with three hours needed to fit — including a re-gas. Is this a fair price?
General advice seems to be to run a car's air con continually. How much extra fuel will this use?
The AC compressor in my Skoda Yeti has failed at 29,000 miles. My local dealer has quoted me £1300 to replace. Seems a huge amount. Why did it fail at so low mileage?
 

Value my car