[P38] Exhaust gases in coolant

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Before filling the system, I stuck a hose in the top of the radiator and removed the drain plug to try and flush as much crud out as I could

What colour was the flow ?


I broke my bucket :(

This is the flow out of the drain plug with the hose in the top pipe - I couldn't turn the pressure up very high because it would just blow back out the top.



I gave the bleed pipe a good blow from the rad side, and I could hear the bubbles in the expansion tank


That look like a restricted flow ...

Take the rad off and lay it flat on the floor and do the same flush ...
 
Did you remove & test the thermostat at any point ? Also it's possible to get the two smaller pipes on the wrong ports, which does affect the coolant flow.

Cooling System Flow P38 THOR.jpg
 
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