C70 L5-2.4L Turbo VIN 63 B5244T7 (2003)
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power unit according to Replacing the power unit (Electronic climate control) See: Blower Motor/Service and Repair/Removal and
Replacement/Replacing the Power Unit (Electronic Climate Control)
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fan resistor according to Replacing blower fan rheostat (MCC/STANDARD) See: Blower Motor Resistor/Service and Repair/Removal and
Replacement.
Caution! Do not disconnect power stage/blower resistor connectors!
Vacuum cleaning the evaporator
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Clean out the evaporator as far as possible with vacuum cleaner through the hole in the evaporator housing for the power unit/blower fan resistor.
Spraying evaporator