Technical Heater issue

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Technical Heater issue

Stewarty1874

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Feb 8, 2025
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Location
Scotland
Evening,
Apologies if there is a thread covering this but I’m a newbie and can’t find anything so far.

For a long time Heater would only work on level 4. Few weeks back it started to stop, then turn back on if I went over a speed bump or pothole. I’ve played about with the resistor, had out, cleaned it, sprayed it etc, it’s not really helped it so bought a new resistor. Replaced it and unfortunately it’s still the same, soon as engine starts it blows on all levels for about 1-2 mins then weakens and eventually turns off and now randomly turns on again. It’s quite noisey now also. Do you think it could be the actual heater blower fan that’s faulty?

Thanks in advance for any help with this
Cheers
 
Model
Punto evo 2010
Year
2010
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