where does this go? cause of full boost problem?
05-05-2004 | 10:47 PM
#1
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Nordschleife Master
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From: Los Angeles
where does this go? cause of full boost problem?
just found this vacuum line completly ditatched from where it's supposed to be. all i could see was that it went straight down, not the direction i'm holding it for the photo. where does it go, and can it be the result of my engine stumbling and poping at full boost in third?
~Eyal
~Eyal
05-05-2004 | 10:59 PM
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From: Reading PA
That is for your heater controls. There is a connection on the fire wall that is hard to see and reach. The only way it would affect anything when on boost is if you have the check valve in backwards. I don't remember which way the check valve is suppose to face but if you turn the engine on you should feel suction on the tube, if not just switch the check valve around.
05-05-2004 | 11:05 PM
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there is suction on the tube, i have never touched the check valve, and i just messed with the heater today and didnt understand why the air wasn't hot, geuss i know. So this isn't possibly responsible for anything boost related?
~Eyal
~Eyal
05-05-2004 | 11:13 PM
#6
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It shouldn't be as long as your check valve works. It is there to keep vacuum in the heater control circuit so you won't loose contol of your heat/AC when you are on boost. It will affect your idle though.
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05-05-2004 | 11:40 PM
#8
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From: Reading PA
It affects the controls for the heater/AC to open vents and all that. To find where it goes you can trace the line from the heater control valve at the back of the engine and feel around where it connects on the fire wall there should be another connection for this other line.
05-06-2004 | 02:25 AM
#9
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That line shares a T coming off the intake-manifold with the FPR, fuel-dampener and CBV. So theoretically, it can leak some boost out, but the small diameter would make it such a minor leak that you'd never be able to tell. But, the change in vacuum/boost levels in that control line may affect the FPR, which would lead to incorrect air-fuel mixtures.
05-06-2004 | 02:33 AM
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I see, well this weekend should be when i completly redo my vacumm and venturi stuff, if the kit comes on friday like it says it will. then we'll know! thanks guys!
~Eyal
~Eyal
05-06-2004 | 06:07 PM
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From: Reading PA
Originally posted by Danno
That line shares a T coming off the intake-manifold with the FPR, fuel-dampener and CBV. So theoretically, it can leak some boost out, but the small diameter would make it such a minor leak that you'd never be able to tell. But, the change in vacuum/boost levels in that control line may affect the FPR, which would lead to incorrect air-fuel mixtures.
That line shares a T coming off the intake-manifold with the FPR, fuel-dampener and CBV. So theoretically, it can leak some boost out, but the small diameter would make it such a minor leak that you'd never be able to tell. But, the change in vacuum/boost levels in that control line may affect the FPR, which would lead to incorrect air-fuel mixtures.