Hi, basically I brought a 2006 1.6 Petrol Vauxhall Zafira B Club in October. Since I have had the car my heating system is only blowing cold air but, occasionally after driving for a few hours if I have it on number 2 it gives a tiny bit of heat but not much still bit cold then turn it up it’s...

The car is a 2007, 1.6 Zafira (petrol) Hi everyone, as the title says the hearer blower is giving me grief. It works on the footwear and forward towards passengers (so positions 1 and 2 work fine) but not on positions 3-5. I thought it was going to be a resistor pack job but with it not...