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Hissing sound coming out near glovebox. 

 

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 Post subject: Hissing sound coming out near glovebox.
Posted: Thu Feb 22, 2007 8:05 pm 
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Hi guys, got a problem on my EF.

There is a hissing sound coming out near the glovebox? It continues after the car is turned off for about 5 seconds and when i accerlate it gets louder.

Could this be the reason why my car has lacked power and fuel eco?


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Posted: Thu Feb 22, 2007 8:31 pm 
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sounds like a vaccum line haas come loose on the heater control thingy behind the glove box. im not talking s**t there is actually a vaccum tree behind the glove box (i just dont know what its called) but yeh pull the glove box out and reconnect any loose lines

 

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Posted: Thu Feb 22, 2007 8:38 pm 
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yep as he said.

vacumme lines behind the glovebox for the aircon and stuff. may be a little hard to get at. once u take the glovebox out there will be a little window, lines are to the right

 

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Posted: Fri Feb 23, 2007 2:19 pm 
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Thanks guys will do this soon!


Could this be affecting the proformance of my car?


Cheers.
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Posted: Fri Feb 23, 2007 7:09 pm 
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it *could* be.

any vacume leak could have running effects on your car due to incorrect vacumme readings.

saying that, it may not be large enough to have a noticable effect.

 

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Posted: Sat Feb 24, 2007 12:01 am 
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If its an air con leak, im surprised YOU havnt had any power loss.

 

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Posted: Sun Feb 25, 2007 12:25 am 
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hellbent_ef wrote:
If its an air con leak, im surprised YOU havnt had any power loss.


if it's an aircon leak your aircon probaly won't work and you'd end up with a power increase - it might be hot but
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Posted: Sun Feb 25, 2007 2:15 am 
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Could be a ssssssnake :D

 

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Posted: Sun Feb 25, 2007 7:35 pm 
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I got the same in my car, except it only seems to happen when the air con is on, so I assume it's an air con issue.

I asked a friend of mine about it whos a fridgie and air con mechanic (domestic and commercial, not automotive mind you) and he seemed to think it was a worn valve of some sort, can't remember the name. But basically he said the noise will be annoying but my air con shouldn't die anytime soon.

I haven't confirmed this or fixed it yet, but there's another angle for you to think about.

EDIT: Come to think of it, my fuel econ is s**t. Usually a little over 500Km's a tank.

 

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Posted: Sun Feb 25, 2007 7:39 pm 
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Ragvaror wrote:
I got the same in my car, except it only seems to happen when the air con is on, so I assume it's an air con issue.

I asked a friend of mine about it whos a fridgie and air con mechanic (domestic and commercial, not automotive mind you) and he seemed to think it was a worn valve of some sort, can't remember the name. But basically he said the noise will be annoying but my air con shouldn't die anytime soon.

I haven't confirmed this or fixed it yet, but there's another angle for you to think about.


Did he say the T-X Valve?? And when you turn on the air con, and that hissin noise comes from underneath the glovebox, it means that your system is either out of, or extremely low on gas.

For that to happen, you would have a leak somewhere.

And yes, I DO work with automotive aircon everyday.

The only other thing it would be, is the fan in there. But that would be more of a "ticking" noise.

 

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Posted: Sat Mar 03, 2007 11:10 am 
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I took the glovebox out guys and i couldnt see any vacume lines....


When i open the bonnet up i can hear it right near the rear of the engine on the passengers side...


argh!
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Posted: Sat Mar 03, 2007 4:07 pm 
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they are right infront if you, coloured, they look like they are wires but they arent. they plug into a rubber circle thing cant miss it, directly in the middle. points straight out at you

 

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Posted: Sat Mar 03, 2007 4:25 pm 
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And it's held in by a self tapper - remove it and you should be able to pull the whole connector out a bit to check behind it as well.

 

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