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Air-Con Gurgle Noise


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  • dyl33
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Hey SAUers,

 

The other day I heard a gurgling noise from the air-con. When stopped at traffic lights and was wondering is this normal noise or am I low on refrigerant or something, Air-con is still cold.

 

Is there a way to check air-con refrigerant level?

 

 


Posted 30 April 2013 - 02:25 PM


  • Sklyn
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How do you know it was the AC gurgling?

 

I'm curious to know about checking level too.

 

And to jump in you AC thread =)

 

I hear a knocking from inside the dash when I start the car and sometimes when I make an adjustment on the climate control unit.

Its only about 4 knocks then it stops.

Anyone know what that could be?

I have searched and asked several people with no success.


Posted 30 April 2013 - 02:39 PM

gallery_40758_5299_22875.jpg

1996 R33 S2 Gtst - 181rwkw - 14.6 qtr

1998 R33 S2 Gtst 40th Anniversary - 187rwkw - 14.1 qtr


  • dyl33
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How do you know it was the AC gurgling?

I'm pretty sure it's a/c

 

it's a gassy gurgle sound lasting about 2-3seconds, I do believe it is a common a/c noise just not sure what it means


Posted 30 April 2013 - 05:38 PM


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If it's a bubbling/gurgling noise then it will be air in your heater core caused by a coolant leak.

 

If it's a low pitched hissing sound then the a/c system will be low. The noise occurs when there isn't enough charge in the system and you can hear the liquid/vapour expanding in the evaporator as it passes through the TX valve.

 

A clunking sound behind the dash will be the servo/door blend motors/doors.

 

The only way to check the charge of an A/C system is with a set of A/C manifold gauges. (assuming the system has no sight glass)


Edited by White GTS-T, 30 April 2013 - 06:36 PM.

Posted 30 April 2013 - 06:35 PM

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  • dyl33
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If it's a bubbling/gurgling noise then it will be air in your heater core caused by a coolant leak.

 

If it's a low pitched hissing sound then the a/c system will be low. The noise occurs when there isn't enough charge in the system and you can hear the liquid/vapour expanding in the evaporator as it passes through the TX valve.

 

Sounds a little bit like both but I don't have any coolant leaks


Posted 30 April 2013 - 07:49 PM


  • mad082
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Could be that you are getting a little low on gas. My commodore does it when it gets low on gas (has a slow leak in the compressor and needs regassing every 18 months or so).

Posted 30 April 2013 - 09:28 PM

Alright Stop!!1!ty... Hammer Time

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marc's right


You're a proper git.


  • dyl33
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Could be that you are getting a little low on gas. My commodore does it when it gets low on gas (has a slow leak in the compressor and needs regassing every 18 months or so).

 

I'm going to change coolant bleed it properly and get a/c re-gassed to be safe


Posted 01 May 2013 - 11:32 AM





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