Question about 2001 Daewoo Leganza

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My 01 Daewoo leganza only blows cold air. Flushed system, changed coolant, thermostat, nothing blocked, tubes from heater core cold...

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  • 6 Answers

I have the same prob but i let the car start up for about 5 min and the hot air comes out

Posted on Feb 12, 2012

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: I replaced a busted hose(goes

my daewoo 2001 gave me a lot of proplem now water coming from ander the batom i need a plase that work on daewoo

Posted on Jan 04, 2009

  • 16 Answers

SOURCE: heater in 2002 daewoo leganza not working

try replacing the thermostat, they're cheap. or test it if you want to. Ask and I will tell you how to do it. the only other thing it could be is, there are doors that open and close in the duct work, some are electric, some are vacuum. it depends on the car. thats a little harder to fix and I don't know about that particular car.
hope this helps

Posted on Jan 17, 2009

  • 1 Answer

SOURCE: 2002 Daewoo Leganza help

It has a single din radio that can be purchased anywhere for under a hundred bucks. Check the antenna connection. Window regulators can be nought from Dr. auto parts. Go on ebay they go for about 40 bucks. Frank Kent Daewoo in Fort Worth Texas has the largest supply of Daewoo parts.
Good Luck

Posted on Jan 23, 2009

  • 3 Answers

SOURCE: Daewoo Leganza coolant change

it would seem that the radiator drain plug is low enough to drain the block as well,give it a try.

Posted on Mar 31, 2009

  • 6 Answers

SOURCE: Where is the Thermostat located for my heater in

On the engine block at the end of the upper radiator hose inside the housing. It comes in the housing when you buy it from most auto parts stores.

Posted on Sep 30, 2010

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My 99 GMC sonoma with a 2.2L is not warming up properly


Possibly plugged or inerporable heater core. Possibly heater core valve (this diverts hot air through your heater system) When you flushed the block, was there a lot of contaminant? 95% of the time, cold heat means thermostat. Also there are a lot of really cheap after market thermostats, you can buy one as low as $6.00. That being said, just because a thermo is new doesn't necessarily mean it opens/shuts when it should. You can look on You Tube on how to test one in your kitchen with boiling water,.

So three basic things affect interior heat temps. Thermostat, plugged heater core/.valve, and insufficient coolant or liquid to tranfser heat. If your interior coolant (engine temp) is working normally and your vehicle reaches operating tempature according to the needle, your thermosat is probably not the cause.

My bet is somehow, your heater core is plugged so that their is not enough "flow"

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Heater fan blows good but only blows cold air. Is it the heater core? The thermostat? How hard are they to replace if i do it myself?


Check the heater core by checking the hotness or coldness of the 2 tubes at the firewall that lead to the heater core.

If both tubes are hot, the heater core is fine. If both tubes are cold, then the heater core is plugged up and will have to be flushed out or replaced.

The thermostat, if stuck open, will delay the heating up of the heater core. It's not hard to replace the thermostat.

Thermostat Removal & Installation 4.2L Engine To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Some of the coolant
    • The upper radiator hose f150_42_thermostat.gif

    • The bolts (A).
    • The water outlet connection (B)
    • The water thermostat and paper gasket assembly (C)
To Install:
NOTE: The water thermostat is indexed and must be installed correctly.
  1. Install or connect the following:
    • The water thermostat
    • The thermostat
    • The water outlet adapter
    • The bolts
      1. Torque to: 80 inch-lbs (9 Nm)
    • The upper radiator hose
    • The coolant
4.6L/5.4L Engines To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Some of the coolant
    • The upper radiator hose f150_46-54_thermostat.gif

    • The bolts (A)
    • The water outlet connection (B)
    • The water thermostat
    • The O-ring (discard)
To Install:
  1. Install or connect the following:
    • A new O-ring to position the water thermostat in the upper intake manifold
    • The water outlet connection onto the upper intake manifold
    • The bolts
      1. Torque to: 18 ft-lbs (25 Nm)
    • The upper radiator hose
    • The coolant
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No heat/defrost 01 corolla


Sounds like you have air trapped in the heater core when you flushed the heater core. loosen the upper most heater core hose and run the engine untill coolant seeps out. Wait until the coolant has reached running temperature.

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I have a 2000 Chevy Silverado pickup, and the heater will not blow hot air. I replaced the thermostat, and nothing changed. The radiator was flushed and filled in the last two months as well. I have all...


once truck is warm check both heater core hoses to make sure they are both warm if not then check the cold water valve could be stuck shut not allowing coolant to travel in to heater core.

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


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The heat in my 1992 Jeep Wangler is not working.


The only reason it won't blow hot air is because the water is not getting to the heater core. Check to see if you have a heater control valve in one of the two lines to the heater core. If so check to be sure that is is opening and closing. If it won't open then you get no water flow in to the heater core.

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1 Answer

2000 Daewoo Leganza heat gets just luke warm!!!


I have the same problem. we changed the thermastat. the engine coolant was full of muck and looked rusty like something was rusting away.we then back flushed the system including the heater core.It's alot better but we think the water pump propellers are rusting away. this sometimes happens. so we are keeping an eye on the temp to see if it is getting to hot or over heating if so the the water pump needs replacing. I would have the system back flushed to see if that helps you could be having the same problem I' having. Hope this helps.

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