- Audi A4 2.0 AWA - Coolant loss Archived Message
- Audi A4 2.0 AWA - Coolant loss - John Enticott February 6, 2007, 6:56 pm
- replies - Peter Lomas February 6, 2007, 8:57 pm
Posted by John Enticott on February 6, 2007, 6:56 pm
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Hi Everyone. This is a strange one???  Car originaly came in for coolant loss. Found plastic housing on back of head cracked. Replaced housing and tested system.No visual external leaks. Symtoms now are loss of 1/2 pint of coolant after 3 days. heater in car intermitantly turns cold when up to temp when vehicle reved hard the heat returns.I have bleed the coolant system to audi instructions and I have also replaced the water pump and electro thermostat. It seems to me the circlation of the coolant is poor But I have removed the rad and blown through seems fine.top hose warm while bottom hose stays cold. I have also done a die head gasket test and thats ok.Any one have this prob before.................. 
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