BMW E32 who only blow hot air from the heater

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78dude
E30 Zone Camper
E30 Zone Camper
Posts: 1154
Joined: Thu Aug 17, 2006 11:00 pm
Location: Norway

Post Thu Jan 17, 2008 11:08 pm

Hi folks, :D
My 735 have started with a strange issue. It blows only hot or warm air out of the vents when I turn the fan on. I have tryed to look behind the heater matrix who is under the stereo and it looks like it is electric remote to the crane who adjust cold and hot air...
Some one who have an idea of what or where the problem is?
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Speedtouch
Old Skooler
Old Skooler
Posts: 14100
Joined: Tue Feb 14, 2006 11:00 pm
Location: Canterbury

Post Thu Jan 17, 2008 11:13 pm

The dreaded heater valves maybe?
http://www.bmwe34.net/e34main/trouble/Heating.htm
///M aurice
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
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78dude
E30 Zone Camper
E30 Zone Camper
Posts: 1154
Joined: Thu Aug 17, 2006 11:00 pm
Location: Norway

Post Thu Jan 17, 2008 11:21 pm

Thank you for the link fella!
I will take a closer look on it during the up comming weekend.... :wink:
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Speedtouch
Old Skooler
Old Skooler
Posts: 14100
Joined: Tue Feb 14, 2006 11:00 pm
Location: Canterbury

Post Thu Jan 17, 2008 11:25 pm

No problem. Try whacking the heater valve solenoids with a small hammer, which sometimes frees them off, though they can be stripped and rebuilt. My E34 has a weird problem where for some reason I can't turn off the heat on the driver's side :x

Looks like you need all the heat you can get out there in Sweden 8O
///M aurice
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
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