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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53016
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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No heat or air in my 1988 560 SL but the fan blows.

Resolved Question:

No heat or air in my 1988 560 SL but the fan blows. Could this be a fuse problem?
Submitted: 4 years ago.
Category: Mercedes
Expert:  Marty replied 4 years ago.

eurotec :

Hi, I don't think this is going to be a fuse problem. Fuse 6 and fuse 7 are for the climate control. You can go ahead and remove and inspect those two fuses but I doubt that it will solve the problem. When a fuse blows your system defaults to heat mode. Since you don't even have heat it is more likely that you have a torn diaphragm in the heater control valve. On your air conditioning the first thing to do will be to evacuate and recharge the a/c system. Low refrigerant in the system is the most common problem but you could also have a a fault elsewhere in the system such as a bad a/c compressor.

eurotec :

Let me know if you have any more questions. I'll be glad to help.

eurotec :

Please be sure to click the Accept button if you have no further questions.

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