My heater blower on my 1998 1.8se avant audi has stoped working.
It works, then doesnt! It has the full digital climate control,which is all working but no fan.Which is a pain on wet days, the windscreen wont clear! Is it a hard job? Also Audi want over £237+vat but i understand you can get a cheap replacement for £50 including vat! Please i need help!
Re: My heater blower on my 1998 1.8se avant audi has...
This is a pretty common problem on older Audi with solar roof.
If your Audi has a solar capable sunroof (the one that allows to ventilate the turned off car) by applying the solar energy from the roof and useing it to run the blower fan while you car is parked under the sun.
So if you have the Audi with this feature then you need to replace a relay Audi part number 4B0959589. It also has 3 big white numbers on it "385". It costs about $70-$80 retail in the US Audi dealerships, UK may have different prising. This relay is under the dash on the drivers side (there is a whole bunch of relays there, so look for one that says 385.
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Quite possible a blown fuse. However there is also a blower control module located under the hood near the center of the fire wall. It bolts into the heater box assembly, not to far from the blower motor. You may have to remove the relay/fuse cover assembly to see it. They are known to short out and cause all kinds of problems. Remember though it could also be a simple fuse in that area or under the dash. The worst case here is the whole climate control system in the dash failed.
When the blower works only on the high setting its usually a bad blower resistor which is right near the blower motor. now you say it would always blow high regardless of the fan speed setting that would indicate probably the climate control unit or a connector problem somewhere. finally it not working at all may be the climate control unit or connection went bad even further. it might have a blown fuse or a bad blower motor in addition to the climate control unit or connector problem .check for power and ground at the blower motor. the power is supplied from fuses and may have a relay also. the ground is supplied from the climate control unit and goes through the resistor to control the fan speed. good luck
REMOVE HEATER BLOWER MOTOR HOT WIRE BLOWER MOTOR IT.IF IT WORKS.YOUR AC AND HEATER CONTROL SWITCH IS FAULTY.CHECK HVAC FUSES AND CHECK BLOWER MOTOR RELAY.IF BLOWER MOTOR DONT WORK WHEN HOT WIRE REPLACE IT.IF ALL CHECK OUT GOOD.HAVE DEALERSHIP DO A DIAGNOSTIC TEST ON YOUR CLIMATE CONTROL SYSTEM.
Hi Michael. You don't say what mileage your car has done, but if you use the heater blower during normal UK winters, it's a strong possibility that the blower motor has packed up, (check with a new fuse first), or that the carbon brushes have worn down so far that they no longer have contact with the slip rings of the heater blower fan. This could show itself as an intermittent stop-starting of airflow which would maybe come and go with increasingly longer periods of no airflow until it finally fails to work at all. If you haven't tried it already, set the control to demist and give the NS door (nearest the blower motor) a good slam shut just as the LED lights on the display start climbing up. This may jolt the blower motor into turning.NB this is not a permanent fix and may cause other damage if used regularly!!! A new blower motor (OEM apparently) will cost about £65 inc delivery from ebay (the 'real' price seems to be about £130, God only knows what the labour charge would be). The brushes are available separately for under a tenner inc. postage also from ebay. It seems that this is a very common problem with A4/ A3/ Passat blower motors which have reached the circa 10 yr old mark. Fitting the brushes is about a 1- 2 hr job if you are prepared to do it yourself, and involves removing the blower motor after removing the glovebox by accessing the hexhead screws on the panel at end of fascia, with NS door opened. There are a few forums with good pics of this if you have a search. The carbon brushes are a commonly widespread standard size and fit a lot of VW Audi models. You need to weigh this up against the cost of a new blower motor, and how much of your own time you want to spend on the project, but none of this is very difficult; even soldering the brush contacts is a very simple job if you have ever used a soldering iron. If you don't own a soldering iron, and will have to buy one, or if you don't consider £65 too much to pay for a new motor, it would be a simpler job to replace the blower motor and avoid the brushes and soldering job altogether. I have heard that reputable auto repairers would ask for around £200-£250 to replace the heater blower motor, which is not dreadfully unreasonable if the parts cost is £130, but less reasonable if they are paying £65 for the part....Best of Luck.
the aircon gas needs recharging in a car at least every 3 yrs.you also need to run it for at least 15mins a day(on average)to keep in tiptop condition.also dont forget to spray air con cleaner into air intake of heater to get rid of legionaires bug(really!!! )
If it is manual climate control.
You have a bad blower motor resistor. To replace it remove the lower dash panel cover below the glove box and it will mount in the heater housing with 2 screws. It will have a 4 wire connector with the wire colors being OG/BK,LG/WH, YE/RD, BK If it is electronic climate control then you would have to replace the blower speed controller which is also located in the same place.