997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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New (to me) car and some headaches

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  #16  
Old 03-23-2015, 08:43 AM
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Originally Posted by SamboTT@ByDesign
Check valves
+1

does the car still have a stock TB plenum or aftermarket?
 
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  #17  
Old 03-23-2015, 02:28 PM
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Car has the IPD plenum.

I lowered motor and used soapy water. If anything is leaking it's not showing any bubbles.

At Sam's suggestion I pulled up a PET http://www.porsche.com/all/media/pdf...7T_KATALOG.pdf

And am looking to see what check valves there are. Any idea which one vents the oil tank? Or would be involved in the 'whooshing' sound I hear when I open the Oil Fill cap?
 
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Old 03-23-2015, 03:08 PM
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You will not see it in pet since on 997 the check valve is built into the plenum. IPD had an external check valve. You will also not see soapy water bubble since check valve leaks from plenum into the tank. Lower the motor and follow the larger line that goes from oil tank to check valve behind IPD. That valve is likely bad which is why you hear air coming with the oil cap off. Happy hunting...
 
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Old 03-25-2015, 03:18 PM
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Any idea how I test to see if it's bad. And if it is what should I order to replace it? Not sure of what part #.

I appreciate the help!!
 
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Old 03-26-2015, 10:15 AM
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Originally Posted by HIX
Any idea how I test to see if it's bad. And if it is what should I order to replace it? Not sure of what part #.

I appreciate the help!!
well if u hear air going into your oil tank the checkvalve is bad ... pull it out and blow in it. it might be stuck or installed backwards. as far as replacement goes, contact IPD for a new one.
 
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997TT SilverSpool - 210.8 mph 1/2 Mile WR Apr 2019, 9.2 @ 168 mph 1/4 Mile Manual World Record , 3.15 60-130 mph , 2.72 100-150 mph , 1400whp E85
996TT SpoolBus - 204.6 mph 1/2 Mile 996TT WR Aug 2018, 9.5 @ 154 mph, 3.23 60-130 mph, 2.5 100-150 mph Manual Porsche World Record, 1400whp E85
997TT SlowBerry - 205.0 mph 1/2 Mile WR Nov 2018, 9.7 @ 170 mph 1/4 Mile , 3.2 60-130 mph , 2.4 100-150 mph , 1420whp E85
ESMOTOR | DO88 | TPC DSC | SYVECS | COBB | IPD | KLINE | XONA | AMS | ID | ERP | SACHS | TURBOSMART | CSF | DODSON |
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