Hi all can anyone shed any light why Audi say my 2003 A3TDI 16V 2.0 BKD engine has no heater control valve/solenoid? if so what controls the temperature of the heating system?
I found this on ebay and according to the chart it fits my car but im unable to locate it under the bonnet?
https://www.ebay.co.uk/itm/HEATER-CO...3j2q:rk:3:pf:0

ive also found this
http://www.audi-portal.com/en/diagno...ors_18918.html
it says A38P 2003

im putting a new Matrix in on Tuesday ,, but think the issue is with the Waterpump.. any help guys