Classic Audi Technical Mech/Tech Electrical problems » B4 heater fan only works on full speed

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Old 21-03-11, 08:21 PM   #1
pimpdriver
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Default B4 heater fan only works on full speed

B4 80.

Heater fan only works on full speed.

Resistor pack?
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Old 21-03-11, 08:25 PM   #2
rich.r
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or the switch itself maybe
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Old 21-03-11, 08:44 PM   #3
Rickman
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Heater resistor or the hedgehog as its known.
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Old 21-03-11, 08:58 PM   #4
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how easy / hard to change?

I will put a wanted ad on.

Cheers
Steve
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Old 21-03-11, 10:14 PM   #5
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probably resistor pack yes, easy to change on a LHD car as it's above the glove box, don't know for a RHD car.
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Old 21-03-11, 10:47 PM   #6
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Open the glovebox and squeeze it past the stops so it hangs down into the footwell, you can now see the heater fan, the resistor pack is on top where the wiring connects to.
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Old 22-03-11, 06:03 AM   #7
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Cheers guys.
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Old 22-03-11, 06:49 AM   #8
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and you can replace the replace the thermal fuse get one from maplins and solder it in make sure it goes the right way round maplins will match the old one up with a new one.
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Old 22-03-11, 07:55 AM   #9
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Quote:
Originally Posted by james brazier View Post
and you can replace the replace the thermal fuse get one from maplins and solder it in make sure it goes the right way round maplins will match the old one up with a new one.
Daft question but where is the thermal fuse and what does it look like?
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Old 22-03-11, 09:59 AM   #10
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Quote:
Originally Posted by pimpdriver View Post
B4 80.

Heater fan only works on full speed.

Resistor pack?
My mate has the same problem with his cq
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