When they say it’s “ normal “ what they actually mean is that,
most are not filled and bled from factory so as soon as they are started and driven it starts to damage the pump, then the owner drives it and damages the pump more.
At that point damage and noise is normal
most are not filled and bled from factory so as soon as they are started and driven it starts to damage the pump, then the owner drives it and damages the pump more.
At that point damage and noise is normal