Ask Honest John

Most recently answered corrosion questions
I have followed your advice on winter tyres, which have transformed my 7-year-old Volvo V40 in the snow and ice. I thank you, but please could you explain why you advise winter tyres 'on a separate set...
I drive a 5-year-old Ford Focus 2.0TDCI saloon with Ghia spec and it is a great car. My alloy wheels are badly corroded in places. I am not bothered about the appearance of them. They are too bright anyway....
I am thinking about buying an approved used C55 AMG. Registered on a 54 plate. Will this car's likely build date escape the corrosion problems that afflicted some early C Class cars? Was MB build quality...
My BMW X3 automatic has covered 38,000 miles from new in my ownership and recently had an inspection and brake fluid change at Sytner High Wycombe. The service received and the ongoing communication throughout...
Recently you have mentioned the problem of "rusty Mercs", and the unwillingness of Mercedes-Benz to honour its 30-year Mobilo warranty. Like other Mercedes-Benz owners, what I would like to know is whether...
I was interested to read the correspondence on rusting Mercedes-Benz cars. I bought four E-class Mercedes-Benz Estate cars in a row. The first three were excellent, both mechanically and bodily. I bought...
I just bought a 2007 Volkswagen Polo today, which was stolen/recovered from an auction site that insurance companies give their cars to. The car's back brakes are locked for some reason. Any ideas why...
My daughter is going to work on a small island in the Atlantic. It has a subtropical climate and cars there have a tendency to rust due to the saline environment. Please could you recommend a small car...
My Mercedes-Benz E-Class is nearly eight years old (79,000 miles on clock) and with the numerous areas of rust appearing (top of all doors, three wheel arches, off-side front door and around the boot lock)...
I am the owner of a Jaguar X-Type Estate registered in October 2008 and it has a rusty rear sub-frame. Jaguar completely deny responsibility and I have a letter from them stating "Surface corrosion is...