(Already Searched) New Question about Aux Ports
03-26-08, 12:04 AM
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(Already Searched) New Question about Aux Ports
ok, i know it only takes 2psi to activate my aux ports, so i blew into the hose and they dont open... does the car have to be started and revved to 4k for them to activate at 2psi, or should they just open with the car off
03-26-08, 03:01 AM
#3
2.1 PSI for an S4, and you have to have a load on the engine to have them open.
2.8 PSI for an S5, but you should be able to see them open at 3800rpm sitting in your driveway.
Blowing into them will never open them, get a small bike pump for that. If it's an S5, just crack the throttle open while watching them.
If it's an S4, it's harder, but you can wire them open temporarily so you can see if you feel a difference driving. It is a very noticeable change, and you'll find the car pulling a lot harder from about 4.5k up. Just keep in mind that this will give you a poor idle and loss of power under 3.8k until you get them working properly.
2.8 PSI for an S5, but you should be able to see them open at 3800rpm sitting in your driveway.
Blowing into them will never open them, get a small bike pump for that. If it's an S5, just crack the throttle open while watching them.
If it's an S4, it's harder, but you can wire them open temporarily so you can see if you feel a difference driving. It is a very noticeable change, and you'll find the car pulling a lot harder from about 4.5k up. Just keep in mind that this will give you a poor idle and loss of power under 3.8k until you get them working properly.
03-26-08, 08:49 AM
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2.1 PSI for an S4, and you have to have a load on the engine to have them open.
2.8 PSI for an S5, but you should be able to see them open at 3800rpm sitting in your driveway.
Blowing into them will never open them, get a small bike pump for that. If it's an S5, just crack the throttle open while watching them.
If it's an S4, it's harder, but you can wire them open temporarily so you can see if you feel a difference driving. It is a very noticeable change, and you'll find the car pulling a lot harder from about 4.5k up. Just keep in mind that this will give you a poor idle and loss of power under 3.8k until you get them working properly.
2.8 PSI for an S5, but you should be able to see them open at 3800rpm sitting in your driveway.
Blowing into them will never open them, get a small bike pump for that. If it's an S5, just crack the throttle open while watching them.
If it's an S4, it's harder, but you can wire them open temporarily so you can see if you feel a difference driving. It is a very noticeable change, and you'll find the car pulling a lot harder from about 4.5k up. Just keep in mind that this will give you a poor idle and loss of power under 3.8k until you get them working properly.
03-26-08, 06:32 PM
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I thought on the S5 they don't open unless under load (the ECU doesn't switch the solenoid).
If you want to see if they work, and be sure, then just bypass the control solenoid. All it takes is a vacuum splice and then you can rev it at idle and watch them move. This might also be a good time to hit the solenoid with 12V to make sure it "clicks." When I was testing I also put a test light on the connector and drove down the block to make sure the ECU was sending the signal.
Oh, and human lugs explode at about 2 psi, so I don't think you were blowing anything close to that. I think the most they can put out is well under 1 psi.
If you want to see if they work, and be sure, then just bypass the control solenoid. All it takes is a vacuum splice and then you can rev it at idle and watch them move. This might also be a good time to hit the solenoid with 12V to make sure it "clicks." When I was testing I also put a test light on the connector and drove down the block to make sure the ECU was sending the signal.
Oh, and human lugs explode at about 2 psi, so I don't think you were blowing anything close to that. I think the most they can put out is well under 1 psi.
Last edited by HotRodMex; 03-26-08 at 06:37 PM.
03-26-08, 10:40 PM
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2.1 PSI for an S4, and you have to have a load on the engine to have them open
I have an S4 I was just testing my aux ports...
rear works, car in N rev to around 4K (not sure i was under hood)
i could visually see the port opening...
my front however is siezed... can't move it by hand...
which brings me to my next point, if you can't move it by hand... something is wrong...
I was wondering how i would wire open and which way should they move.
KEEP IN MIND
you will loose low end power, maybe not much but I hear its noticable enough for you to get annoyed and go back and fix it right later being that a typical driver uses more low end power then top end
03-26-08, 11:18 PM
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