 Vacuum leak found!, carb cleaner technique, |
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| Porschef |
 Feb 26 2012, 01:34 PM
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#1
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How you doin'  Group: Members Posts: 2,165 Joined: 7-September 10 From: LawnGuyland Member No.: 12,152 Region Association: North East States 
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Ive been looking for this one... feeling like there was still a vacuum leak somewhere.
Found it at the throttle body gasket...   I'm gonna try to reinstall this one, dont know if it will work..it doesn't look terrible but apparently it leaks... Pelican shows it as NLA. Does anyone know a source? Thanks, Joe |
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| JawjaPorsche |
Feb 26 2012, 02:39 PM
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#2
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Advanced Member Group: Members Posts: 3,463 Joined: 23-July 11 From: Clayton, Georgia Member No.: 13,351 Region Association: South East States |
914Rubber sells one. I don't know if this is the one you need:
http://shop.914rubber.com/product.sc?produ...p;categoryId=11 Terry QUOTE(Porschef @ Feb 26 2012, 02:34 PM)  Ive been looking for this one... feeling like there was still a vacuum leak somewhere. Found it at the throttle body gasket... I'm gonna try to reinstall this one, dont know if it will work..it doesn't look terrible but apparently it leaks... Pelican shows it as NLA. Does anyone know a source? Thanks, Joe |
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| jonferns |
Feb 26 2012, 02:43 PM
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#3
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Advanced Member Group: Members Posts: 2,081 Joined: 29-March 07 From: New Jersey Member No.: 7,631 Region Association: North East States
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| Porschef |
Feb 26 2012, 03:07 PM
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#4
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How you doin' Group: Members Posts: 2,165 Joined: 7-September 10 From: LawnGuyland Member No.: 12,152 Region Association: North East States
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QUOTE(Jon Fernandes @ Feb 26 2012, 03:43 PM) Hey Jon, just sent you a pm. That looks like it, BTW. |
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| Porschef |
Feb 26 2012, 03:15 PM
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#5
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How you doin' Group: Members Posts: 2,165 Joined: 7-September 10 From: LawnGuyland Member No.: 12,152 Region Association: North East States
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Update,
I cleaned up and reinstalled the gasket. Idle jumped up 300+ rpm. Also smoothed out. (IMG:style_emoticons/default/piratenanner.gif) (IMG:style_emoticons/default/piratenanner.gif) I'll call this good for now, but will get a new one. Also noticed when spraying some cleaner right on the idle adjustment screw, it bumps up slightly. Gonna try a wrap of Teflon there... Joe |
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| tod914 |
Feb 26 2012, 06:13 PM
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#6
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Advanced Member Group: Members Posts: 3,755 Joined: 19-January 03 From: Lincoln Park, NJ Member No.: 170 |
The screw is designed to force an airleak. Don't think you want to tape that.
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| Porschef |
Feb 26 2012, 07:25 PM
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#7
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How you doin' Group: Members Posts: 2,165 Joined: 7-September 10 From: LawnGuyland Member No.: 12,152 Region Association: North East States
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I'm saying that it seemed that the screw itself was allowing air through... But I agree, with the very fine threads it would seem that that wouldn't allow air through. However, I wrapped a very thin strip just at the top of the screw, and, no idle speed change with the carb cleaner spray.
So overall it was a success. Engine is now smoother than ever at idle. Tomorrow, after she cools completely, I'll start her and see how it is. Gotta love eliminating a bug, no matter how small.... (IMG:style_emoticons/default/smile.gif) |
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