Ask Honest John

Is converting an automatic gearbox to manual wise?

I have a 1989 Jaguar XJS automatic. I'm considering converting it to a five-speed manual using a kit purchased from a reputable company. My car is still standard and has not been modified or restored in...

What would cause the loss of power steering in my Jaguar XJS?

I have a 1989 Jaguar XJS. Today I moved it off the drive for the first time in five months and it's obvious that the power steering has stopped functioning. What could be the cause of this, please?

I own a 1993 Jaguar XJS - is it likely to appreciate in value?

Are Jaguar XJS starting to appreciate in value?

Should I get a Rover 75 or Jaguar S-Type?

I am looking for something automatic, V6 engine, with leather interior, and a saloon preferably. My choice is either a Rover 75 or a Jaguar S Type. Do you have an opinion on which I should go for, as well...

Is there a simple way of establishing whether my 1987 Jaguar is car is a Daimler 6 or a XJ40?

Is there a simple way of establishing whether my Jaguar is car is a Daimler 6 or a XJ40? Car was first registered on a diplomatic plate (Nov 1987) and re-registerd in 2000

Can the signal from my key fob be read by thieves from inside my house?

Can the key fob for my keyless entry Jaguar XF be read inside my house by thieves?

Which companies offer warranties on high mileage cars?

I'm buying a Jaguar X Type from a dealer, it has 153,000 miles on it. They're giving me three months warranty. Are there any companies that offer the same?

Our new Jaguar XE is faulty - what do we do if the dealer won't accept our rejection within 30 days?

Do you know if there is a problem with the new Jaguar XE petrol Ingenium engine when coupled with the auto gearbox? Our new model lurches when going down through the lower gears. At first, the dealer agreed...

What's the cheapest way to source a spare wheel?

My Jaguar XF doesn't have a spare wheel. I would like to buy a 'get you home spare wheel' and jack to go with it. I'm having problems finding one at the right price. Any suggestions, please?

The mpg on my car's dash differs from my own fuel consumption calculations - is this unusual?

I have a Jaguar XE, nearly two years old, which averages around 39mpg on the computer set for long periods. 2000 miles ago I decided to check real mpg by checking fill-ups against mileage and was surprised...