heater blower cold

please help . my 93 espace 2.1 diesel has no heating . the engine warms up fine but no hot air inside . i had the head gasket changed the thermostat radiator and had it all flushed 3 times with an acid . the pipes going to the heater matrix are only luke warm but all the rest are hot any ideas . the matrix has been flush seperatly and seems fine . help its getting very cold now .

please help . my 93 espace 2.1 diesel has no heating . the engine warms up fine but no hot air inside . i had the head gasket changed the thermostat radiator and had it all flushed 3 times with an acid . the pipes going to the heater matrix are only luke warm but all the rest are hot any ideas . the matrix has been flush seperatly and seems fine . help its getting very cold now .


The Renault air lock strikes again. Your system has not been bled correctly take it back and tell them to do it properly.