JB 2.2 Posted January 8 Share Posted January 8 Got an issue with the heater I have replaced the unit under the dashboard and it still won't work it only works on number 4 switch 123 don't work any ideas at all Quote Link to comment Share on other sites More sharing options...
AndyR Posted January 8 Share Posted January 8 Hi J.B.2.2, I had this problem on my astra when I first got it. It turned out to be the heat control sensor on the heater. I replaced it and all the controls on the heater now work. It was a fiddly job, as on the astra, the glove box had to be removed for the less limited access that is needed. Hope this helps. Regards Andy. Quote Link to comment Share on other sites More sharing options...
JB 2.2 Posted January 11 Author Share Posted January 11 I replaced that and still don't worked Quote Link to comment Share on other sites More sharing options...
AndyR Posted January 11 Share Posted January 11 Ah crap. I was hoping that would have helped, not realising you'd already been down that route. Quote Link to comment Share on other sites More sharing options...
Vauxhall Owners Club Posted January 13 Share Posted January 13 It is the fan control resistor pack....the resistors between the lower speeds have failed and therefore no resistance to the motor on speed 4 so runs flat out Replace the resistor pack and that will sort it Quote Link to comment Share on other sites More sharing options...
JB 2.2 Posted January 15 Author Share Posted January 15 Thanks Quote Link to comment Share on other sites More sharing options...
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