Ask Honest John

Most recently answered gearboxes questions
My son has owned a 2006 Mercedes-Benz B180 diesel automatic from new, now showing 80,000 miles. A fault has developed where the car will not change gear and the dashboard message refers the car to a workshop...
My wife and I are both nearly 70. I don't understand the terms 'CVT' and 'torque converter'. What matters to us is how hill starts are carried out. Could you please spare the time to explain?
It looks as if KIA engines are chain cam, which I believe you recommend. Do you have any brief comments re petrol/diesel and or manual/automatic?
I've been told by my VW mechanic that my 51 plate Golf mk 5 is making a whirling noise that is coming from the main shaft bearing, and would need a gearbox remove and strip. Is the noise something serious...
I have just bought a Nissan Micra K11 S reg & it goes into all gears when driven from cold but as the car warms up I have trouble getting it into 5th gear & sometimes 3rd gear. It is always fine when the...
The auto reverse gear usually engages first time but occasionally when I stop, leave the engine running putting it into neutral and then into reverse again it will not engage, just O comes up on the dash....
The gear stick on my 2004 Seat Leon no longer springs back to the neutral setting when pushed/pulled out of gear; it has lost all elasticity so that you have to fully guide it into a gear. So, going...
The gear shift is stuck in park on my Jaguar XJ and won't release to find any other gears. An audible tone rings out when I try to engage another position. Can you help please?
What is your opinion of the Renault six-speed dual clutch (EDC) transmission that I understand is currently an option on various models and, next year, will be standard fitment on the new 1.2 TCe Mk4 Clio?
I purchased a Toyota Yaris last year and was told it was an automatic, but when chatting with some friends, we all discovered that a car less than 1400cc could not have a proper automatic gearbox. I am...