02-26-2017, 02:05 PM
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#1
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Registered User
Join Date: Sep 2014
Location: santa barbara, CA & Devon, UK
Posts: 316
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Can anyone identify this?
Found this brass nut / cap on my driveway.
Any ideas what it is? It may be off the Box or X3 or (hopefully) fell out of the heating contractors truck that was here last week. 
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02-26-2017, 02:13 PM
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#2
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Registered User
Join Date: Jan 2014
Location: New Jersey
Posts: 1,631
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I'm guessing it's from the heating contractor's truck.
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02-26-2017, 03:18 PM
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#3
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Racer Boy
Join Date: Sep 2015
Location: Seattle, WA
Posts: 946
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Doesn't look like anything you'd find on a German car.
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02-26-2017, 04:28 PM
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#4
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1997 Tip, 2018 Macan
Join Date: Aug 2015
Location: Upland, CA
Posts: 1,338
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The refrigerant caps on cars are typically plastic. That is a brass cap and is either an A/C port cap or it can also be used in plumbing.
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02-26-2017, 04:44 PM
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#5
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Registered User
Join Date: May 2016
Location: Northville, MI
Posts: 249
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It's brass and used in plumbing not on cars. Go to Home depot and you will find them
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02-26-2017, 05:24 PM
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#6
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by njbray
Found this brass nut / cap on my driveway.
Any ideas what it is? It may be off the Box or X3 or (hopefully) fell out of the heating contractors truck that was here last week. |
See if it fits the fitting on the fuel rail after cleaning it
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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02-26-2017, 05:48 PM
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#7
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07 Carrera S Cab
Join Date: Nov 2005
Location: New Jersey
Posts: 2,273
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As the guys said above, it's for HVAC plumbing, not for cars.
Different types of valve caps
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
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02-27-2017, 01:41 AM
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#8
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,583
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Its the cap for your fuel rail test port.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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02-27-2017, 02:58 AM
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#9
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07 Carrera S Cab
Join Date: Nov 2005
Location: New Jersey
Posts: 2,273
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You get schooled everyday. Lol. What is the fuel rail test port and where is it on the box?
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
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02-27-2017, 06:49 AM
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#10
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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It is the cap to your AC (or someone's ) test ports. It will likely fit on your car's fuel rail test port too.
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'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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02-27-2017, 07:16 AM
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#11
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Registered User
Join Date: Dec 2014
Location: Pasadena
Posts: 261
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Fuel rail test point cap on my 02 is passenger side forward point on rail.
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02-27-2017, 07:46 AM
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#12
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,583
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Item #7:
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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02-27-2017, 08:18 AM
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#13
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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How likely is it that the fuel port test cap fell off and made it past the engine and brace sitting in the driveway?
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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02-27-2017, 09:19 AM
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#14
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07 Carrera S Cab
Join Date: Nov 2005
Location: New Jersey
Posts: 2,273
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Yeah, I know... I still think it's just an HVAC cap that fell off the HVAC truck that was there at his house, but interesting to know that it's also used in the fuel rail. Better than finding nails and screws that I usually find in my driveway after contractors leave. 
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
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02-27-2017, 10:55 AM
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#15
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,583
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Quote:
Originally Posted by Timco
How likely is it that the fuel port test cap fell off and made it past the engine and brace sitting in the driveway?
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Well, as we literally keep a bag of these things around due to the number of times we find cars without one, I'd say reasonably good.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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02-27-2017, 11:31 AM
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#16
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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Quote:
Originally Posted by JFP in PA
Well, as we literally keep a bag of these things around due to the number of times we find cars without one, I'd say reasonably good.
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Oh, I don't doubt it may be missing, but I'm an AC tech and not only is that the exact style of cap I've seen a million times, it's the location. I doubt it would fall on his driveway and not on the road. Then, there was a heating / AC guy. It adds up.
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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02-27-2017, 12:47 PM
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#17
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07 Carrera S Cab
Join Date: Nov 2005
Location: New Jersey
Posts: 2,273
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I think the original poster needs to settle this back and forth by inspecting their Box and Bimmer to see if it's missing any copper caps on their fuel rails! 
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
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