Question about 1998 Volkswagen Beetle
What has happened is that the defroster cable has come out of its bracket. The only way to fix this is to take apart the dash and push the cable back into the bracket. Start by removing the piece of plastic that is in the center of the dash closest to the window. Do this by pushing it forward. It should slide forward about 1 inch, then you can just set it aside. Next you will see 3 screws holding the right and left sections of the dash under the piece you just removed. Removed these screws, but beware, they are a special star bit that will need to be purchased at your local hardware store. Once you remove the screws, you can just pop up the left and right pieces and set them aside. What you are looking for now, is a very small opening just to the left of the center of the dash. You will need to get your head up next to the window and be able to look down to see the cable assy. You will probably see a cable wrapped in foam, then a colored piece of plastic sticking out the end. This is just a covering of the actual cable. Then you should see the cable going through a bracket. What you will need to do is reach your hand down in the hole, be careful you may scratch yourself, and push the plastic part of the cable into and through the bracket. Make sure you push it as far as it will go. Now you need to test knob to make sure it does not pull back out when you turn the knob. If it works, you need to put all the pieces back to test the defroster to make sure it works. If it does not, then you need to try again. I hope this helps.
Posted on Dec 12, 2009
This may sound silly, but try turning the knob in the other direction. Good luck.
Posted on Dec 02, 2009
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Posted on Jan 02, 2017
SOURCE: My front defroster doesn't work
Their is a vacuum actuated valve that redirects the flow of air from the panel to the defrost vents when the defrost is selected. I would check the vacuum line running to the valve while the vehicle is running with the defroster on and check whether or not the line is pulling a vacuum to actuate the valve, if not you obviously have a bad line or vacuum line fitting. If you have suction on the vacuum you will need to check the valve and see that is functioning properly. The valve is usually located under the dash on the passengers side. If you are mechanically inclined i would go to a local auto part store and pick up a repair manual for your car for about $20 as they contain diagrams and info that will save you alot of money.
Posted on Dec 08, 2008
If I am reading correctly you are hearing the vent doors moving to redirect the airflow to the vents you choose. This is normal and can be more noticeable if the blower fan is on, putting air pressure against the doors.
Posted on Jan 09, 2010
I had the same problem. I found a bad vacuum hose under the hood. I replaced it and everything was fine. This also effected my cruise control. The solution is really simple and didn't cost me anything. Car dealer wanted $649.00 to replace a blend air door, which involves taking out the dash. So check fuses and vacuum lines first. Worked for me.
Roger Rome NY
Posted on Jan 11, 2010
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