after you have reached your destination should you leave your engine running for a bit to let the turbo cool down on a fab vRS?

If you have been thrashing it all the way , then a cool-down is sensible to avoid excessive wear on your turbo.

This doesn't necessarily mean just sitting there for a few minutes - you can drive the last couple of miles gently to cool it down.

If you have been driving normally then you don't really need to worry about it.

I only let the car idle when I park up if I've had my foot down towards the end of the journey, I normally also take it very easy towards the very end of my journey.

cheers mate, much appreciated. im new to this kind of car you see, diesel! turbo'd! Fast! all other cars have been pretty much fill it up and go

I thought it was a good question!

I thought it was a good question!

:)cheers, ive always had this weird worry about turbos since my uncle got a renault 5 GTT years ago when they were brand new and it burst into flames outside my house coz the turbo overheated. was a beautiful car:(

Its not quite so vital for diesels as the exhaust gases aren't as hot as in a petrol car... its still probably a good idea though!

If i have done along hard run, i let it stand for a few miniutes.

if short journeys, just let it tick over while i take my seatbelt off.

As said before elsewhere letting the car sit and idle for ' a few minutes' will have between no and little effect on cooling the engne - it is a large block of metal!

Driving for the last few miles probably cools better as wind is forced through engine bay...

As said before elsewhere letting the car sit and idle for ' a few minutes' will have between no and little effect on cooling the engne - it is a large block of metal!

Driving for the last few miles probably cools better as wind is forced through engine bay...

Spot on! The engine will actually get hotter when left idling, and will be at its hottest shortly after you turn it off (hence why the cooling fan will sometimes start up after you've switched the engine off).

Exhaust temperatures are not really a problem because they don't get anywhere near as hot as on a turbo'd petrol car. This subject has been debated many times across Internet forums and the general opinion appears to be that you don't need to leave the car idling even after working the car hard.

It's not the engine you're cooling off! It's keeping the oil circulating through the turbo to draw heat away from it I don't do it consciously on my diesels but living in a residential area, the car is run for a few minutes at <30mph before stopping anyway

Chris

If you have been thrashing it all the way ' date=' then a cool-down is sensible to avoid excessive wear on your turbo.

This doesn't necessarily mean just sitting there for a few minutes - you can drive the last couple of miles gently to cool it down.

If you have been driving normally then you don't really need to worry about it.[/quote']

Agreed!

It's not the engine you're cooling off! It's keeping the oil circulating through the turbo to draw heat away from it I don't do it consciously on my diesels but living in a residential area' date=' the car is run for a few minutes at <30mph before stopping anyway

Chris[/quote']

This is so true. It's most important to allow the oil to keep the turbo coated for a short while as it slows down and stops. When the engine is switched off the turbo should stay nice and lubricated. If you switch the engine off immediately after a mad trashing there may be little oil on the turbo and it will wear it out and damage it quicker.

In the early turbo days didn't SAAB, when they were a real car maker, use an automatic pump to keep oil flowing round the across the turbo after engine stop?