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Idle Stablizer valve job
Im going to go ahead and change out my Idle stabilizer valve hoping to get a smoother idle. Question is what else should I do with the intake off ?
So far I have planned Idle Stablizer Valve 2 hoses that attach to the valve Intake gaskets Keep in mind that the car is at 99k and I believe EVERYTHING is original
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87 944 72 914 Sold 84 944 Sold 85.5 944 Sold 78 924 (first car) RIP |
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05-17-2009, 10:12 AM
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Air/oil separator seals? Not much else under there.
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05-17-2009, 10:20 AM
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Join Date: Jan 2009
Posts: 224
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several folks have responded over at Renn's to the same post...
do your vacuum lines. |
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05-17-2009, 11:51 AM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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There are a few past posts on simple spray DIY cleaning the ICV (AKA idle stabilizer valve) if it is just sticking.
OR here is a link that really goes deep into the ICV. NA and turbo use the same - new $175 Pelican (rebuilts from $77) Idle Valve Make sure you replace the valve with the arrow/flow going in the same direction as you took the old one out. Take a picture. Label the vac hoses. You will never have a better time to reset your reference sensors. If you are lucky, you may even be able to remove the sensors, clean them off and replace-regap. This does not require you to remove the sensor bracket. If you are not able to lift the sensors out of the bracket-STOP-just regap. AOS seals as mentioned Get the ICV rubber mounts from Pelican-yours have dry rotted. Vac lines as mentioned and the ICV hoses you mentioned. Get new "good" clamps for the OEM pinch type that now are loose-replace all Check underneath the intake air "J" manifold for rotting and cracking of the rubber. If you see a white deposit on your heater control valve replace. It drips on the clutch and replace the short hose to engine on top. Again lots of room for big hands. Get new injector kits to make the idle really smooth after you clean DIY--click on TECH SECTION above for details OR just send them to www.witchhunter.com Clean the grounds on top of the bell housing. Check the negative cable end(s) for corrosion-bluish green/teal color GL John_AZ 1988 924S + 1987 924S Last edited by John_AZ; 05-17-2009 at 03:16 PM.. Reason: spelling |
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05-17-2009, 02:48 PM
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Registered
Join Date: Jun 2006
Location: new york
Posts: 868
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on the idle control valve, which direction is the arrow supposed to point?
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Yellow 1983 944. Many alterations, modifications, repairations and aberrations. Great car!! 
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07-22-2009, 05:14 AM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Quote:
http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/481223-idle-control-valve-testing-procedure.html#post4789670 GL John_AZ |
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07-22-2009, 06:02 AM
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1987 Porsche 944 2.5 L.
1986 Porsche 944 2.5L N/A
