Ask Honest John

Most recently answered wheels and tyres questions
The front tyres on my E-Class Coupe are Dunlop SP Sport 235/40 OR 18 91Y and have done 16,687 miles. They still have quite a lot of mileage left in them, but I am currently on the second set of rear...
The standard tyres on the rear of my 3 Series Coupe will be 255/35 R18 whereas on my current car I have 255/30 R19s. Will the overall diameter of the wheel and tyre be identical, or will the R18s be smaller?...
My Kuga has 18" rims. I would like to fit steel wheels with winter tyres for use between Nov and March each year. Where can I get steel wheels and studs from (your links seem to give just alloys) and...
Over the last couple of weeks my wife, who has a prestigious German car, has been contacted twice by our local dealer. He advised that because the car was five years old they were obliged by Health & Safety...
I was interested to read that you are currently running a Mazda 5 1.6 diesel. I sold my 5-year-old 63,000 mile Mazda 5 1.9d Sport prior to going on a long trip to New Zealand and am now looking to replace...
I have a Mercedes-Benz E280CDI, which I bought new in November 2005 and which has patches of corrosion on all four of the alloy wheels. My local dealer has sent photographs of the corrosion to Mercedes-Benz...
Do you know whether a "service bulletin" regarding suspension geometry has been sent to Skoda dealers? I have owned a new Skoda Octavia 1.4 TSI Estate auto for a year and the road noise is really bad....
Our Jag has low profile tyres (225/40 ZR18 (92Y) Pirellis) on alloys. We have had all sorts of problems, tyre splits/rips/puntures on bad road surfaces, plus a very hard/firm ride. I would like to change...
My 2004 Saab 9-5 estate has started displaying the engine warning light intermittently (illuminated but not flashing) it has had a recent annual service and been plugged in twice for engine diagnostics...
I have a quandry. I live 1 mile down a rutted farm track. I commute 250 (motorway) miles to work each week but the 10 miles at each end of the journey are on rough windy country lanes. I have long legs...