Ask Honest John

Most recently answered maintenance and servicing questions
I have oil in my water coolant. I have a Renault Kangoo with a 1.5 diesel engine. The Kangoo is running perfectly, but oil is coming out the top of the water coolant fill bottle under the hood. The consistency...
I am looking to buy a post-2011 BMW 320d with a full service history - every 10,000 miles. Can you tell me when the 320d needs it timing chain changed? I've found a car with 80,000 miles and I intend...
I have a Ford Focus MK2 1.6 Petrol (2006) and it was advised by Ford to have the cam belt replaced at eight years or 100K. Well, my car being eight years old at the time of purchase meant I had the belt...
You say that oil should be changed once per year or at 10,000 miles. Is it better to be changed before the winter in, say, October/November or in the Spring prior to summer, in April/ May?
My daughter's Kia Cee'd has a strong smell (like gas) in her car. The dealership recently changed her pollen filter and say there is nothing wrong, just that more smells come through the new filter. Rubbish...
I was watching the bonnet bounce on my partners Ford Focus as she was driving along. I asked her to pull over and discovered that I could actually move the bonnet from below the windscreen. I thought at...
I have had a 2008 BMW 118 diesel SE for 14 months, However, I am worried because it has now been 20 months and more than 20 000 miles since the last service, yet the CBS indicator is still showing that...
I have previously had my 2007 Jaguar S-Type V6 diesel serviced by the dealer because I thought that it was important for re-sale value. It's now done 85,000 miles and I'm considering independent garage...
I have recently discovered that some of the new Mercedes-Benz range are using Renault engines. I am surprised that I haven't seen anything about this in the motoring press. I am sure potential buyers should...
Should I replace the water pump on my Mitsubishi Outlander 2.0 TDI when I change the cam belt? My main dealer says no but I'd like to be sure.