Hello guys just a question I wanted to Ask my doblo is a 2004 cargo the oil temp seems to only goes up to quarter this is when am just driving round the city it dose get a warm up I don't just go the corner shop and back however when I take it for a longer run M way it dose go up to have way. another thing is the heater don't feel red hot when I put my hand over the vent but dose get very hot if that makes sense I mean it gets very hot in the cab but even then its not hot to touch any ideas are is this normal? thermostat?? cheers chris.