Ask Honest John

Most recently answered corrosion questions
My son bought a 2012 Mercedes-Benz C-Class from Mercedes-Benz last year, which came with a one year approved warranty. The warranty is just about to run out and it failed its MoT because of a nearside...
My five year old Mercedes-Benz E550 has done 17,000 miles and has had the brake pads replaced and now the rotors. Apparently the reason for the rotor failure was that I drove too little. My wife had a...
I've been happy with my 2011 Nissan Pathfinder Tekna 2.5 manual, which has been owned from nearly new and has always been serviced by Nissan. I've become concerned by recent reports of failure of the rear...
I'm thinking of buying a new Sandero Stepway; however, I've been told that Dacias suffer with rust problems. Is this true?
Are you aware of severe corrosion on Smart Fortwo brake pipes? Our car's brake pipes were found when a mechanic was carrying out unrelated work and had to drop the undershields below the car. The brake...
I bought a Land Rover from a local garage 20 month ago, after eight months an MoT was due, which it failed for chassis rot. I had it repaired which I thought meant the problem was corrected, however...
I own a 2006 Volkswagen Golf with a 10 year corrosion warranty. However, I have noticed rust under the wheel arch and Volkswagen is saying it is not covered by the warranty. Apparently the rust is caused...
My wife has a 2005 Volkswagen Polo 3-door diesel, which she bought new. It has now done only 19,600 miles and is well cared for. We noticed a small area of rust on one of the front wheel arches with the...
I have a two-year old Nissan Qashqai, 11,500 miles, which was serviced today at a Nissan dealer. The garage say that the front discs need replacing as they are scored and will rust and that this is not...
You were kind enough to respond in December last year regarding our 2012 X3's rear rusty brake hubs. I was looking at an X reg BMW 5 series the other day and noticed the rear hubs were completely rust...
 

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