0:00 / 9:29 Volvo Webasto problems / Volvo diesel heater not working Fix Madman Car 16.4K subscribers Subscribe Subscribed 69 Share 48K views 2 years ago volvo webasto diesel heater xc90 When I reconnected the controller to the four prong plug under the dash and check the output to the fan at the two prong connector I get a steady 12 V regardless of whether the fan switch is on or not, and even if the key isn't even in the ignition. If I then plug the fan back into the controller it doesn't spin and I get 0 V at the fan terminals.
Anyone with a P1 should consider replacing the heater hoses before they fail. Same thing with the radiator hose above the transmission. The plastic T connect will crack/leak. The coolant bottle will crack open due to age, heat and pressure. Replace if original. There is not any coolant level sensor on any P1 Volvo. Parts pics are from ipdusa.com
The most common reasons a Volvo V50 heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. 0 % 31 % of the time it's the Heater Blower Motor 0 % 24 % of the time it's the Thermostat 0 % 18 % of the time it's the Heater Blower Motor Resistor 0 % 27 % of the time it's The MCC, manual climate control will have a fan speed switch with 4 speeds and the temperature control ***** go cool to hot. The ECC, electronic climate control will have a slider for infinite fan speeds and the temperature control ***** will have numbered temperature selection. Attached Thumbnails.
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ዧվянխрօ азвалаζαвуТвоዷу аሴо ሪሆտобኚձυξозፗб իдиЙፊσቬсн ецаլէрጂ идու
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After reaching normal operating temps, my 05 V50 T5 heat does not work unless it is on High. The airflow directions are all correct..just no heat. Local (long time) mechanic says "Scan Tested Detected Code: DTC CCM-0017 Damper Motor Faulty Position. Need Softward Update from Volvo Per TSB 87-48." The signs are relatively simple. In the event that your heating turns and does not create very little heat, the problem probably comes from the hoses. These clog up over time and no longer allow hot water to reach the heating of this Volvo V50. In this situation, clean the hoses or put new ones. Air pocket in the circuit of the Volvo V50 .
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