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Micky · 15-04-09, 05:34 PM

i have always found its an air lock fill the system.fill up from the top hose not the expantion tank. and leave the heater controll on hot so water flows all around the system .
the top hose should be hotter than the bottom when running .

15-04-09, 05:34 PM	#5
Micky Mr Fifty Thousand! Classic Audi Club Member Join Date: Apr 2008 Location: Birmingham Posts: 8,738	i have always found its an air lock fill the system.fill up from the top hose not the expantion tank. and leave the heater controll on hot so water flows all around the system . the top hose should be hotter than the bottom when running .