Question about 2008 Saab 9-3

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Have a saab 9-3 vector sport 1.9 tid 2006 - heater is blowing cold, have tried to flush system but has just made it colder. One hose is hot the other cold so don't think its the thermostat. any advice welcome.

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Leave the coolent cap off the resevior and run car up to temperature this should get all air from the system BE CAREFULL U WILL GET BURNT!!! STAND WELL BACK AND BE READY TO SHUT ENGINE OFF as soon as the coolent starts to bubble turn engine off and leave to cool before replacing cap, start engine again with cap on drive for a little while untill the temp gauge shows warm and check that the fan in engine bay is working have heater blowers in car on all the time whilst doing this operation!

Posted on Jan 30, 2010

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Posted on Jan 02, 2017

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http://www.autoanything.com/air-conditioning-65-861/201A1060.aspx?kc=AFFCJ&mr:referralID=c9ca506d-9f22-11df-bf8d-0026b95a1738


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Check you have coolant flow to the heater core - feel the inlet and outlet coolant hose as near as possible to the heater core- they should be both be hot and approx equal in temperature.
If the outlet hose is noticably colder you may have a blocked heater core ( a reverse flush with water from garden hose may fix it).
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