Ask Honest John

Most recently answered maintenance questions
Should you put grease on battery terminals to protect from corrosion?
I own a 2007 Volvo XC90 with 118k on the clock. Lovely motor and mostly trouble free but it's recently started missing the odd beat and intermittently going into limp-mode. The other day, when in limp-mode,...
I have a 2022 Ford Focus and the washer bottle appears to be blocked with gunge, but I can’t get access to it easily. I would have tried the hosepipe method but it is in a tight position under the bonnet...
My car was last serviced in February 2022 (Full Service) and since then I have done just 1500 miles. Your opinion: do I really need to have a small service / oil change service every 12 months as VW keep...
I have a Volkswagen Golf 2.0 TDI and will be going abroad for between 4 to 6 weeks with my car parked on my driveway. No one else will be in the home when i'm away so I won't be able to trickle charge...
My 2013 BMW convertible has done 39,000 miles and is still going strong. I’m now thinking of selling and buying something newer (say 2-3 years old). I’m happy to add £30,000 to the sale price of my BMW,...
I am considering buying a Volkswagen T-Roc 1.5 TSI EVO SEL DSG on a 20 plate. Can you please tell me what version of the DSG gearbox this car has and what your opinion of it is? Also how often does the...
I have purchased a 68 plate SEAT Leon ST 2.0 TSI. It has had 1 owner and has covered 41k miles. Is there any vital maintainance that needs carrying out straight away or in the next year/10k miles in terms...
I am thinking about buying a newer car. It has a timing chain which needs no maintenance or replacement apart from regular engine oil changes. Many of the cars I am considering have engines with timing...
My 2016 Nissan X-Trail occasionally won't start The battery shows 11.8v and the dash lights up but the car only clicks when the ignition key is turned, but it starts strongly with jump leads. Any thoughts...