Posted by Alan Lange on February 3, 2015, 9:30 pm, in reply to "PEUGEOT BOXER 2.2 HDI"
Alan Lange
Hello Mark, If there is no circulation surely the engine would over-heat? These usually pre-heat the water to the heater matrix via a heat exchanger in the EGR pipe so have a really good heater. Assuming the complaint is a poor heater, I'd check for a blocked matrix or mixer flaps.