Ask Honest John

Most recently answered maintenance and servicing questions
After reading your recommendations, I am planning on getting a 2012 Hyundai i10 from an approved Hyundai dealer. As it was registered before March I am unable to get the appealing three year service plan...
The emissions warning light is illuminated on my BMW 5 Series diesel. My local garage has said it is due to carbon deposits in the manifold and wants more than £2000 to clean it. Can I do it myself? I...
I have just had my BMW 520d Touring serviced at 33,000 miles by a local dealer, preceded by a warranty check, which found a leaking exhaust manifold and a faulty EGR. When I took it away, I noticed that...
Can you tell me when it’s wise to change the cam belt on my 2007 Vauxhall Vectra? My local garage says 100,000 miles or 10 years, whichever comes first. Do you agree?
I have a 2007 1.8 petrol Saab 9-3 Sportwagon. I'm keeping it for the foreseeable future. I have just had it serviced by Kwik Fit (great value and service by the way), and they flagged that the timing belt...
I have bought my first car, which is a 1996 Mitsubishi Pajero 2.5 diesel. It has 98,800 miles on the clock and the previous owner told me it has never had its timing belt or chain changed?
I recently bought a three year old Mercedes-Benz C-Class CDI. I am very pleased with the car, but my local dealership tells me the automatic gearbox oil should be changed soon. This is an expensive job,...
I am told by the garage that the cam belt should be replaced on my five year old Audi TT. The car has done 33,000 miles and not driven hard (rarely exceed 3000 rpm). Do Audi really build an engine which...
My 2.0-litre EcoBoost petrol Ford Mondeo is in for a three year service, 17,000 miles. The garage has called me to say Ford recommends a change of oil and filter on the Powershift auto box too. Is this...
I bought my 2009 Mercedes-Benz A-Class a few months ago with 22,300 miles on the clock. Recently the service light has come on and my I’ve been told the plugs, brake fluid and air filter needs changing...