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John Le
Tinkerer
NSW
Soarer TT

Posts: 56
Reg: 07-2005

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Friday, March 17, 2006 - 09:38 am, by:  John Le (Evl885) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Guys
Last summer my aircon was running perfect this year its not cold? I had the radiator replaced and that seeems to be running fine, the only thing i can think of is the electric fan infront of the radiator doesnt seem to work at all? also i just had it regassed last month.
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 3746
Reg: 11-2004

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Friday, March 17, 2006 - 01:05 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Most likely they didn't fix the cause of the leak that required the regas in the first place.
Nathan Richardson
Tinkerer
Queensland
UZZ 32 #445

Posts: 70
Reg: 02-2006

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Friday, March 17, 2006 - 10:45 pm, by:  Nathan Richardson (Richtheblack) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Peter Nitschke wrote on Friday, March 17, 2006 - 01:05 pm:

Most likely they didn't fix the cause of the leak that required the regas in the first place.



I agree, there is a low pressure switch fitted which opens the circuit when low pressure exists i.e. low/no gas. This prevents the compressor from running, because the oil circulates with the gas. No gas, oil dosen't circulate, compressor seizes!
You can tell if the compressor is engaged by the clutch in front of the pulley, if this is stationary comp is'nt engaged.
If you only use your A/C during summer and have it OFF during winter, the long time that the compressor is not running will cause the seal in the front of the compressor to harden, thus fail.
Id take it back to where you got it re-gassed and ask them for a re-gass with a dye additive for free. (This is if they didn't advise you to get the vehicle checked for leaks).
This shows up the leak under a UV light, souldn't be too hard to find (unless it's in the evaporator(in the dash)), loosing almost a kilo of gas in a month indicates a decent leak!
You may be able to find the leak yourself by looking/feeling for the oil that will leak out with the gas.
Don't settle for a check over with a "sniffer", go the dye.
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 3757
Reg: 11-2004

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Saturday, March 18, 2006 - 04:37 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Check the radiator through the front grill, if it looks a bit oily on the passengers side, then your O rings need replacing.
Dominic Kelly
Tinkerer
QLD
JZZ30 Soarer GT-TL

Posts: 64
Reg: 07-2005

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Saturday, October 21, 2006 - 10:27 am, by:  Dominic Kelly (Drk_awd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'm bringing back an old thread but there didn't seem to be an answer to the original question. My fan in front of the a/c condensor never comes on either. The aircon guy checked the pressures while the car idled for 5 minutes and they were okay but this obviously isn't normal.

Any ideas where to start?

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