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Old 09-05-2004, 11:02 PM
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Join Date: Sep 2004
Posts: 6
New 300SD (1980) AC works now, no heat

Just purchased a 1980 300SD with about 175,000 miles on odo. Engine about 100,000 old and trans replaced about 6 months ago. When I got it, A/C not working, but have replaced compressor and servo (ouch!!) and now A/C works but no heat. BTW, car won't stop running unless climate control fan is on. Any ideas on getting the heat working?


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Old 09-06-2004, 01:05 AM
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Join Date: Aug 2003
Location: Hampton AR
Posts: 80
Maybe a vacuum leak. Check all connection including behind glove box and under dash on passenger side.

1980 300SD Manganese Brown Metallic Clearcoat 248k
1979 300SD White 148 k
1984 300D Silver project car for daughter
1982 300D wrecked
1980 300SD 310K not running
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