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Car Forum / Nissan / Nissan Cars / August 200597 Primera Air Con help needed, please.
Hello, and thanks for taking the time to read this. I have a 97 Primera SE and the A/C has failed. My local dealer seems to be uninterested in diagnosing and fixing the problem, so I need to do a bit of research. The A/C light comes on on the switch, but nothing else happens. My brother tells me that the "clutch on the compressor isn't engaging" and this seems to be the case. Does anyone have any clues as to what's causing the problems, as my local main dealer seems to think it "might need regassing" which is around 80-00 ukp, but they're not sure if that IS the problem!!! Any suggestions/info would be appreciated. Ian How about checking to see if you're getting voltage to the compressor clutch coil... Professor www.telstar-electronics.com On 7/31/2005 12:14 PM US(ET), Ian Myatt took fingers to keys, and typed the following: >Hello, and thanks for taking the time to read this. > [quoted text clipped - 13 lines] > >Ian As far as I know, recharging the system isn't going to make the compressor clutch engage. The clutch will engage no matter how much refrigerant is in the system. The amount of refrigerant in the system only determines the temperature of the air coming out of the vents. Of course, the way that computers and sensors determine how things run now, low refrigerant in the system might trigger some sensor that prevents the compressor from engaging. I had a similar problem with my 97 pickup, only in my case, not only did the compressor and fan not come on, the light on the AC button would not come on either. It turns out, as Randy answered here in the group, that the cigarette lighter circuit has something to do with the AC circuit. When I replaced the burned out fuse in the cigarette lighter, the AC worked. You might check that before throwing money at the compressor.  SignatureBill > On 7/31/2005 12:14 PM US(ET), Ian Myatt took fingers to keys, and typed > the following: [quoted text clipped - 30 lines] > When I replaced the burned out fuse in the cigarette lighter, the AC > worked. You might check that before throwing money at the compressor. Well, on my 1994 Nissan Primera, things are a little different. When I first had the car four years ago, the air con just wouldn't work. Turned out there was a nasty leak which was subsequently resolved. So the system was recharged. When I hit the AC button, the familiar clunk was heard as the compressor engaged, the familiar clunk when you turn the AC on and off. Without refrigerant in the system, the clutch won't engage. You won't know if it's empty, unless you try recharging it I reckon. This was the case in my 94, and I'd hazard a guess at this being so in the 97. Cya Simon >> On 7/31/2005 12:14 PM US(ET), Ian Myatt took fingers to keys, and typed >> the following: [quoted text clipped - 46 lines] >Cya >Simon Thanks for that, Simon. It makes sense. I was back at the garage with it, yesterday, for some other minor work. They wanted to re-gas it so that they could find a leak. Once I worked out that they would have to re0gas it twice, and charge me twice for it, I told them to forget it. They'd have to re-gas, find the leak, fix the leak, then re-gas it. 2x re-gas is £160, then add onto that labour and any parts. The British summer isn't that hot!!! Ian >>Well, on my 1994 Nissan Primera, things are a little different. >> [quoted text clipped - 25 lines] > > Ian You don't know what you're missing. Aircon is bliss! The re-gas usually involves incorporating some fluorescent dye into the system so that they can find the leak more easily. My best advice, dunno which part of the country you're in, doubt it would be Birmingham, but see if you can find an independent air con expert. It might not be that is actually has a leak. It does need recharging every year (supposedely, but so far here, four years and running without), so prior to you having the car, it might not have actually been properly maintained by someone who never ran the aircon for quarter of an hour every month. Try also uk.rec.cars.maintenance - they might be able to point you in the right direction for an independent air con company. The only air con part on my car that failed when I had it, was the air con radiator. That can be quite expensive to replace. Fortunately, I had some cover so got mine done for free by the dealer under warranty. So probably look at that first. Cya Simon > >>Well, on my 1994 Nissan Primera, things are a little different. > >> [quoted text clipped - 27 lines] > > You don't know what you're missing. Aircon is bliss! I do know what I'm missing, because it USED to work!! :) Ian > Hello, and thanks for taking the time to read this. > [quoted text clipped - 13 lines] > > Ian Mine did the same and it needed regassing. Worked like a charm after that. And no, the clutch didn't engage on mine either. It wouldn't because there's no pressure in the system, or there's no gas. One or t'other. |
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