Having spent a ridiculous 16 hours sorting Heater Matrix - including cleaning out air intakes of water, glycol and K-Seal - found that I still need to replace the Thermal Resistor to get fully functioning fan speeds.
I now need to identify a source for the persihed foam gaskets that covered the doors to the Heater Matrix Box to ensure that the air flow is suitably directed.
I have identified that the Foam Gaskets for the "doors" in the Heater Matrix Box have perished and I need to source