s40 (2001) heater works intermittently

Discussion in 'Volvo S40' started by joe bloggs, Sep 30, 2010.

  1. joe bloggs

    joe bloggs Guest

    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
    joe bloggs, Sep 30, 2010
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  2. joe bloggs

    James Sweet Guest

    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?
    James Sweet, Oct 1, 2010
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