Question about 2000 Daewoo Leganza

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Daewoo Leganza.Airlock in cooling system, heater blower works but

Airlock in cooling system, heater blower works but does not get hot, (no leaks)- cannot find a bleed valve...please help

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Remove thermostat and drill a small hole in it to allow the air to come up to header tank

Posted on Jan 30, 2010

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Would not go drilling any holes anywhere in the cooling system! The design of the cooling system surge tank and cap provides for air to end up in the surge tank. If you can't get heat from the heater then you probably either don't have engine water getting to the heater or perhaps the heater control cable is broken, loose or has come of altogether.

Posted on Feb 03, 2010

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Check the temperature control cable behind the climate control panel, it's probably come loose. Airlock in a Leganza heater core would be hard to do as it is a low point in the cooling system.

Posted on Aug 26, 2010

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Related Questions:

1 Answer

The heater in the car is not functioning properly. The heater core is not clogged because the water does run through. What might be causing the vehicle not force out sufficient heat.


The radiator in the car just carries hot water if the tap control is opened properly . What forces the air through the core and into the cabin is a fan/ blower that is apparently not working. Check fuse and if all ok then it may be the speed control resistors in the blower housing have burnt out.

Sep 28, 2013 | 2002 Daewoo Leganza

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My car is leaking coolant from the passenger side towards the back of the engine. I have a 2001 Daewoo Leganza. what could be the problem


Heater core lines to the inside of the car or a head gasket leak. Are you sure its coolant and not condensate from the A/C?

Apr 16, 2010 | 2001 Daewoo Leganza

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Car overheated, had hole in one of the hoses. I repaired hose, replaced antifreeze and now I have no heat and Power steering is hard to turn wheels.


I don't think these two problems are related.
check the coolant level when it cold
bleed the cooling system if need it
check the power steering fluid level and check to see if there is any leak

Mar 07, 2010 | 1997 Volkswagen Jetta

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2000 Leganza no heat; heater core is not leaking; blower works


try and see if there is any bleed screws on the water system ie near thermostat housing or top hose sounds like you have an air lock in the water system if the blower is not getting warm

Dec 23, 2009 | 2000 Daewoo Leganza

1 Answer

No heat


first make sure the radiator is topped off or full also the overflow is at proper level .. feel the hoses going into the cars firewall to see if they are warm or hot. if cold then the car is not letting hot water into the heater core inside the car . there is a control outside the firewall that might be at fault .

Jan 25, 2009 | 2000 Daewoo Leganza

2 Answers

I have a 2000 Daewoo Leganza. When I first bought it, there was no heat in car, temperature guage was blowing sky high and shutting down engine. It was discovered that there was engine problems, so that...


You have air in the cooling system, it needs bleeding, this is best done from the heater hoses. you cannot have a heating or cooling sysem that is not pressurised. no water no heater no demister no temp guage

Jan 17, 2009 | 2000 Daewoo Leganza

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