s40 (2001) heater works intermittently

Sep 30, 2010 1 Replies

i have a 2001 volvo s40 with air conditioning sometimes the blower works and sometimes it works for a short time but not long enough to get the car warm this condition exists either with air conditioning on or off i bought a haynes manual but it doesnt help really i have a feeling a sensor has gone down somewhere and is reporting a false temperature but dont know where to start and cant afford a volvo dealership at the mo



i would appreciate anyones help on this as winter is nigh Thanks again


Is it just the blower coming and going? It could be as simple as a loose connection, could be a bad blower motor. I would start by making sure the fuse is fully inserted, then locate the blower motor and check for voltage. I'm guessing there must be a mode that bypasses any sort of climate control and just turns the fan on?

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