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#1
08-25-2008, 11:03 PM
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ACC 85 300d w123
I posted this issue a while ago and I have a couple more questions. While working on the center vent of the 85 300d, I broke a small fingernail sized circuit board attached to a small wire. Consequently, I have to now keep the air conditioning in Max mode to get cold air. Any other setting on the wheel blows hot air. What type of sensor did I break, where is it located, and where can I buy another? Anyone have a different solution?
85 300d W123 188k miles 
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#2
08-25-2008, 11:06 PM
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It's probably the temp sensor that is under the little grill between the center vents on the top of the dash.
__________________
Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#3
08-26-2008, 03:58 AM
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Agree:
Quote:
Special order parts MB# 123 830 05 72 In stock Have a great day
__________________
ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/
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#4
08-26-2008, 05:31 PM
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Tried gluing it back together? There is nothing complicated about that circuit board. It just holds the temp sensor in place. No ICs involved. Just make sure the the two prongs from the temp sensor are attached to the wires. Or for $35 you can get a new one from fast lane.
__________________
'85 300D Cal 280,000 miles '14 GLK 350 60000 miles
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#6
08-26-2008, 11:58 PM
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Quote:
__________________
Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#7
08-28-2008, 09:09 PM
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I'll try the glue, it looks like I broke it right in half. I tried to find where it connects to, but I cannot see it through the glove box. I will pull the sensor from the dash and take a look. Thanks
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Linear Mode
