Cheers chaps, Must have been a faulty thermostat, put the old one back on and its stopped doing it, heater back to blowing Luke warm though? --- I am here: http://maps.google.com/maps?ll=53.666897,-1.772638

There's no gunk on the cap and it's only just started doing it since I changed the thermostat??

Hi Having a bit of trouble with my oil filler cap thingy. Since I changed my supposedly faulty thermostat my engine has been getting hot, top of the white bit on the gauge and smoke comes from the bonnet, when I check under the bonnet the oil cap has come off and oil is spitting over the...

Thanks for your replies, think it was air in the system, might try the flap and hose pipe thing too though.

The heater on my 1989 2.5td has just recently started blowing out cold air only. I thought it would need a new thermostat so stuck one on and the problem still persists, any suggestions please??