Patrol Air Con

Hi Bware,

I think you are right about the fan cutting in, but my main concern is the frequency of it. When the air con is off the fan never cuts in, maybe this is normal but better to check.

Scott

Always better to check when it involves something you've spent a few quid on! If you don't get many replies try a search on your vehicle and over-heating problems; I don't know if it is your model but there is quite a few posts about over-heating Nissans.

Hi Bware,
I am 100% certain it is not over heating as when i lift the bonnet there is hardly any heat. I am almost certain that putting the aircon on does something to the cut-in point of the fans but it just seems too frequent?

Out of interest, what time is it where you are, is it not very early?

Scott

Hi bware,

Nothing to do with the post but just noticed we are drinking a bottle of Australian wine right now, very nice. Its called four emus from south australia, mmm very nice.

Scott

Hi Scott, it was early, about 5.30 am; had a very late night at work. Went to bed after my last follow-up.
Glad to see you've received better info from others.

Hi Fisho,
Thanks for the info. But that raises one more question, my wifes car has aircon, a small Vauxhall Meriva and i do not hear that compressor cutting in and out. Is there differences between cars?

Thanks

Scott

All have basically the same system but some are more/less powerful than others. Like a fridge, one with poor insulation or door open often may be running all the time. One that is closed and in a cool area etc may cut in til it reaches a certain point then stop.
Merely start the engine, turn on AC then open bonnet and watch the centre of the AC compressor. You should see it spinning after it clicks on. If the AC isnt running the pully will be turning but the centre not

Hi there Scottcamp as said by every one else this is perfectly normal nothing to worry about. In regards to your wifes car it might be like my commodore where as the compressor does not cut out nor do the fans stop while ever the air con switch is turned on.This is normal for all vt 1997, vx commodores and upwards on the v6's not sure about the v8's.They have some form of internal vavle to stop it from freezing up in the evaporator box under the dashboard,either that or your wifes car is low on gas there fore not getting down cold enough to cut compressor out all though I dought that where you are. Regards Steve M

low gas would cause it to short cycle more not less