Question about 1998 Volkswagen Jetta

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Hi, I have a 1998 Jetta TDI.  My heater/air conditioner fan no longer works on the low settings. It does work on number four - the high setting.  What do I need to do.

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Air con has no gas in it

Posted on Jan 27, 2009

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Why does my heater in my 2000 ford ranger only work on the high setting?


I assume that you are talking about the heater fan?

Your heater FAN has at least 3 settings, and for our purposes we will assume low,med and high

Low and medium run through a resistor High is wired direct
Either your resistor is bad or your fan is
I know it seems wrong that the fan could be shot but it could be pulling so many amps that it won't work in any other mode than high
I just had this happen on one of my trucks
Start with the fan

Apr 06, 2010 | 1998 Ford Ranger SuperCab

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Heater fan only works on "high speed"


All cars are designed with a blower fan motor that pushes air through the ventilation system. This air is processed by a series of vents to direct the air to various positions. Example: heater, air conditioner and defrost modes. Most blower motors are power by a basic electrical circuit that utilizes a multi resistor or a solid-state resistor to control different fan speed modes (low, medium low, medium and high). If the resistor malfunctions it may lose one or more of the lower fan speed settings.
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Headlights don't work - 1993 Jetta VR6


I have a 1993 vw jetta and the headlights don't work. I replaced the bulbs and that didn't work. The switch works. what could be the problem?

Oct 06, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

My 2000 jetta gl is overheating the thermastat is good and the fans work but when you turn on the heater only cold air blows


sounds like your cooling system isn't full.  with the heater on Hi refill the cooling system and bleed it until all the air comes out.  Sometimes you need to raise the front of the car.  And there may be a bleed screw on the thermostat housing.

Mar 27, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

Will a faulty coolant temp. sensor keep a/c from working? 02 tdi


no it should not it controls your air/fuel mixture and your timing put your heater control on defrost air to high does ac start

Jan 11, 2009 | 2000 Volkswagen Jetta TDI

1 Answer

Corolla heater fan not working on low


Replace the switch... get one from the junkyard...

Dec 27, 2008 | 1989 Toyota Corolla 2 Door

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A/c issue


Could be a couple things - one, if the fan switch for the AC condenser is not working, it'll keep the AC from kicking on, but that's usually seen by the compressor not coming on. When you activate the AC, do your RPM drop down at all? It should. If it does, the compressor is kicking on and you probably have a problem with the expansion valve, which is what flash chills the air. The car is pumping freon around but it's not cooling enough to cool the car. That's likely an expansion valve problem.

If you turn it on and the revs don't dip down momentarily, the compressor isn't coming on, and it could be the fan switch underhood or the AC relay.

Aug 29, 2008 | 1998 Volkswagen Jetta

1 Answer

2003 jetta 2003


bad a\c clutch relay or the fan is bad or the pressure switch on the low side is defective

Aug 06, 2008 | 1999 Volkswagen Jetta

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