Ask Honest John

Most recently answered technical issues questions
You have covered the subject of spring failures through unfinished ends many times. Most of my working life was spent in the spring-making industry producing large hot-rolled springs with diameters that...
I had new discs and pads fitted to the front of my 3 year old Subaru Forester at 20k miles in December 2008. Despite taking the car back they are still poor. They don't have that instant response they...
A few weeks ago you published a letter from a reader that gave details of a company that could supply runflat tyres for his BMW at less cost than a BMW dealer would charge. I cut the letter out for future...
I have owned Nissan Micras since 1997, trouble-free until I bought my present car in April 2007 (12k miles to date). Since then I have been rescued by the RAC and AA four times with the same fault - malfunctioning...
I have the balance of a two year lease on a 2008 Audi Avant 2.0 TDI. Unfortunately the particulate filter light comes on at relatively short intervals - variously 180 to 350 miles, which is very inconvenient...
I would most appreciate your advice/comments on the following issue. I have owned a metallic silver (what else?) Mercedes C220 CDi Avantgarde since new in 2001. Over the life of the car it has suffered...
At 4,800 miles and one year my X-Trail required new discs and pads on the front. The technician who diagnosed the fault said that I had not really used the brakes enough to bed them in. To the point;...
My 1993L Peugeot 205 auto with 50,000 miles has just failed MOT with leak on the power steering. There had been no indication of this problem. Peugeot dealers say it will cost £300 to replace the “ram”?...
I have looked at a Beetle 2 litre cabriolet automatic. The car is a 2006/56 with 24k miles and a service having been stamped in the book at 17k. When looking under the bonnet, I took the oil filler cap...
I purchased a Nissan Qashqai on 01/04/2007. I had a diesel leak on the injectors within 4 months, then, after 12months, new shockers on rear then another set of shockers at 20 months. I don't think it's...