Ask Honest John

Most recently answered tyres questions
The tyres on my motorhome are showing signs of perishing, the DOT stamp is (0216) would it be good practice to replace them. If so which tyre would you suggest, for good petrol consumption, low noise and...
Recently I hit a kerb with my front offside tyre on a badly lit road where the pavement had been built out on a corner and when I inspected it the following day there was a 50mm strip of rubber partially...
My SEAT Mii Electric is fitted with 81 V rated tyres. I had a new tyre fitted but the fitter fitted 81H rated tyres. It is well within the max speed of the car which is only 80mph. Is this likely to result...
Can I change my standard 17-inch wheels to 16-inch on my 2017 Suzuki Vitara to make the ride smoother? My current tyres are all 215/55/R17 94V Michelin cross climates which are nearing end of life. I...
How accurate are the tyre pressure monitors factory fitted to the wheel rim. have a 71-plate BMW 118 and after using the gauge on the pump to inflate the tyres to the correct pressure, the electronic information...
Can a tyre be re-used if tyre sealant has been used for a puncture? Can the sealant be cleaned and the tyre re-used or is it condemned?
I am about to buy a 2015 Macan with 21" wheels and I'm not looking forward to a hard ride. I sold my Cayenne with 18" wheels and the owner (who refitted with 21" wheels) has offered me the Cayenne's wheels....
Is it possible to buy a small pressurised container of Nitrogen to top-up Nitrogen inflated tyres? I can get this done at my local ATS depot, but would consider buying a Nitrogen supply for emergency...
Is there an accurate reliable inflator on the market: I've been using one purchased from the AA, but the readout is erratic, the viewed Pounds Per Square Inch numbers jump 2 or 3 pounds at a time. I consider...
I have a Nissan Navara currently fitted with road tyres however I'm considering replacing them with off road tyres as some of my work takes me off road where even with my 4 x 4 capability (and hi/lo ratio)...