E-Class (W123) 1976-1986: 240D, 280E, 300D, 300TD, 300CD

Climate Control Fan

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Old 10-06-2012, 11:34 AM
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W123 300D
Smile Climate Control Fan

Issues with my 85 300D-Turbo's Climate Control Fan.
Works with the AC on.
No Works with the Economy Button pressed.
Fuses are all good.
Temp sensor is connected and functioning fine.
Fan was tested external to the car with 12 v and is good.

Let me know if anyone else has seen this. Thanks.

--------------------------------
Eric in Plano,Tx
85 300D 262K overall miles
50K on WVO (2 tank)
Rebuilt Transmission at 245k miles.

96 CE LT1
94 Nissian Hardbody
96 F250 XLT PowerStroke (also runs on WVO)

Last edited by first300D; 10-06-2012 at 12:15 PM.
Old 10-08-2012, 07:34 PM
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Answer

My best guess would be the push button control unit circuit board solder joints.

These links should help you.

DIY page. Introduction to Resoldering Climate Control Unit
http://www.peachparts.com/shopforum/...d.php?p=567735

Climate Control Repair on the 1983 300D Turbo (W123 Chassis)
by BoostnBenz 2/16/04
http://www.peachparts.com/Wikka/W123ClimateControl

Fried ACC Board (picture) due to frozen aux pump?
http://www.peachparts.com/shopforum/...d.php?t=157591

Aux. Water Pump takes out CCU
http://www.peachparts.com/shopforum/...d.php?t=140870

I rebuilt my auxiliary water pump
http://www.peachparts.com/shopforum/...d.php?p=219859

Fixed auxiliary Water Pump!!
http://www.peachparts.com/shopforum/...d.php?t=170839

cold feet!
http://www.peachparts.com/shopforum/...d.php?t=139967

Automatic Climate Control – Sign of Fatique?
http://www.peachparts.com/shopforum/...d.php?p=496086

No blower...no heat...no idea how to fix.
http://www.peachparts.com/shopforum/...d.php?p=604192


Blower Motor Links Page
http://www.peachparts.com/shopforum/...d.php?t=212324

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Old 12-10-2012, 09:33 PM
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1983 300D-turbo "Bonnie"
My Blower motor went out. Bearing completely destroyed. I was wondering if anybody knows if a W126 blower motor can be used to replace a W123 blower motor. The W126 is more common, and I figure that it will be cheaper to find in the future. Thanks a bunch!!
Old 12-14-2012, 06:08 AM
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Originally Posted by Thirdrem
My Blower motor went out. Bearing completely destroyed. I was wondering if anybody knows if a W126 blower motor can be used to replace a W123 blower motor. The W126 is more common, and I figure that it will be cheaper to find in the future. Thanks a bunch!!
This thread has two NEW alternative blower motors that are low cost and fit/function correctly.
http://www.peachparts.com/shopforum/...3-blowers.html

roy@pelicanparts.com


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