Heater Matrix 2003 BKD in Audi A3 (8P) Forum Posted October 29, 2023 Very much the same issues. Had a water pump and thermostat changed so these are not an issue. Will be changing interior temperature sensor, heater core matrix /heater control unit in that order.
Heater Matrix 2003 BKD
in Audi A3 (8P) Forum
Posted
Very much the same issues. Had a water pump and thermostat changed so these are not an issue. Will be changing interior temperature sensor, heater core matrix /heater control unit in that order.