(Home) Coolant loss on motorway

had my royal lounge about two months,all was fine then whoa...no hot air from any vents . its fine on motorway but as soon as i hit built up traffic the temp gauge goes sky high,i park up for an hour or so,then i fill it back up with water then its ok till next time. could anyone help please as i am useless with cars. ps. does anybody know of anywhere i could get any second hand bits and bobs ie. second hand parts (interior and exterior) for my townie,in the cheshire area

- (#1556) barry, 28 May 05 17:19