davejen
Free Member
If you turn the heater control to "recirculation" before you stop the engine , this will close the vents to the outside thus stopping cold air coming in. Feel round the cab area and you will feel draughts, then turn switch to recirculation, and you should feel the difference.Sorry to go on here.. But I am genuinely puzzled... To stop the air getting in what? The engine? The engine bay?
Again.. My view is they help because they stop water entering from the top of the engine and running down onto the throttle body... And that's obviously only on x250 fiat's..
Cheers, Dave