Question about 2000 Volkswagen Jetta TDI

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I have a 2000 VW Jetta. The heater stoped working 2 days ago. Before that I have a coolant leak in the hose, which I replaced then about a week after that the car overheated out of no where. 2 days later my heater and defrost stopped working. The air is still being blown into the car its just cold air

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  • Anonymous Jan 20, 2009

    Your head gasket may be going or will go soon.



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U'll need to bleed the system.

Posted on Dec 17, 2008


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2000 VW Beelte - Car smelt like antifreeze the day we bought it, 2 weeks ago. Had radiator flushed and tempature light came on after 4 or 5 days. Need a second opinion, could this possibly be a leak in the...

Check to make sure that the rubber o-ring going into the heater core located under the hood on the passenger side does not need replaced. Also check the water pump, these are both very common problems with volkswagen.

May 04, 2011 | 2000 Volkswagen Beetle

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The heater quit working it just blows out cold air i replaced the therostat that didnt fix it so now what

have you check your heating element? heater fuse? heater relay switch? those mentioned if defective will result to same problem like you have... good day!

Nov 22, 2010 | 2000 Hyundai Accent

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My heater in my jetta does not blows out cold air? what do i need to do to fix this?

check your coolant in the radiator and for coolant leak. feel the heater hoses that go to and from the heater core to see if both got hot. if one of them feel colder than the other then there is a blockage in the heater core.

Feb 25, 2010 | 2000 Volkswagen Jetta TDI

1 Answer

No heat

Does the fan blow air, but it's not hot?

For a heater to operate properly, hot coolant must enter the heater core inside the car. A valve opens and closes to allow this coolant to flow and to stop it when heat is not needed. This valve is usually located close to the firewall at the back of the engine. If you had work done on the hoses, it is possible that the connections to this valve were not done properly.

If you can locate this valve, watch its operation when someone in the car turns the heat on. There is likely a cable which runs from the heating system to the valve. This cable will change the position of a lever on the outside of the valve which will either open the valve for the hot coolant to come inside or shut the coolant off. There should be at least two coolant hoses connected to this valve. This cable can get detached from the lever, and this will prevent the flow of hot coolant from coming into the heater core.

Oct 10, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

2000 Jetta is Leaking antifreeze and smoking

I think you mean you saw water vapor (some call it steam) not smoke.

You probably have a hose leaking (badly). If it's not a hose, your water pump shaft seal is probably kaput.

May 05, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

I have a 2003 VW jetta tdi

You've lost engine coolant somewhere, and need to fill the engine back up with the VW special G12 coolant.

Then find the leak, which will be in one or more of the following places -
Water hoses to heater core, including any other coolant carrying hoses in the engine compartment
Radiator hoses
Plastic manifold bolted to side of engine which is known to leak (have replaced on an '01 VW Beetle, and an '02 Jetta, both members of our family in the past few years.).
Overflow reservoir cracked
Radiator leak.

Reply back what you find. If the engine got too hot, you may need to have the thermostat replaced.

Feb 03, 2009 | 2003 Volkswagen Jetta TDI

1 Answer

Thermostat or not?

the coolant lose is possibly causing the no heat problem. the lack of enough coolant to fill the heater core can cause it not to heat the car up. you need to find the leak. what engine you have????

Jan 03, 2009 | 2000 Chrysler Cirrus

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2000 Jetta Heater Not working

2000 jetta warms up when idling, but gets cold as soon as I start driving.

Dec 17, 2008 | 2000 Volkswagen Jetta TDI

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