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GDR1881

GDR1881 11/24/2010

1981 Mercedes Benz 300TD Base 5 Cyl 3.0L

Engine

only high heat; cannot regulate the temperature

No matter what temperature I put when I turn on the blowers I only get high heat. The fan works and can be changed. When I turn off the fan I don't get any heat at all

1 Answer


yboy82

yboy82 12/9/2010

Did you already check your heater control valve and its cable or vacuum hose? Also a defective switch can cause it.

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