Printable Version of Topic

Posted by: Cuda911 Aug 18 2014, 02:13 AM

What's the point of the little plastic plugs in the trunk bed?

There are three of them under the foam liner. (well actually, I only have two... anyone know where I can find one? I know they are not needed, but I want to make this car as "complete" as possible).

Why did Porsche bother designing these holes and then design plugs for them?

Drain holes in case I want to use the trunk as a kiddy pool?

Also, one is a bit smaller than the other two, and appears to be threaded.

Have a plug you can spare?

Thanks!
.



Attached image(s)

Posted by: dlkawashima Aug 18 2014, 03:33 AM

I don't know about the two larger holes, but the smaller, threaded hole is for mounting the spare tire in the rear trunk. And you are correct that normally all three holes are capped.

Posted by: sbsix Aug 18 2014, 09:14 AM

I'm looking for the small plug, as well. Anyone? Bruce Stone?

Posted by: peteyd Aug 18 2014, 09:58 AM

The plugs are for air to escape while closing the trunk. Otherwise with the seal it would be air tight and you would not be able to close it as easy.

Posted by: Cuda911 Aug 18 2014, 10:25 AM

So with the threaded one, the idea is that I can choose whether I want the spare in the front or the rear?

Back to the other two holes/plugs: Anyone else know?

Pete, an interesting guess, but it can't possibly be correct. First of all, the plugs are meant to be left in place. By your theory, I would need to remove them to easily close the trunk. Second of all, they are below the foam pad and the carpet, which would block air flow through them.

Posted by: dlkawashima Aug 18 2014, 12:52 PM

Yes, that's right. And a standard size tire from back in the day will fit in the rear trunk underneath the targa roof.

Posted by: RFoulds Aug 18 2014, 02:52 PM

My guess is drains., the front trunk has them as well, and it also has 2 holes with tubes that drain out.

Posted by: Cuda911 Aug 18 2014, 03:04 PM

Nope, not drains. They are on a raised support member. A drain would be on the lowest surface.

So, still leaves this mystery open.

Posted by: rgalla9146 Aug 18 2014, 06:08 PM

That's where Fritz was supposed to squirt the rust proofing.

Posted by: pete000 Aug 18 2014, 06:25 PM

My guess is to keep junk or moisture from falling into the cross member cavity. The holes were probably needed for the venting of the welding gasses during assembly of the chassis? Or to allow paint-primer to get into the cavity? This is just a guess.

Posted by: Cuda911 Aug 18 2014, 07:16 PM

Hmmm... the holes seem too "finished" (ex: rolled lip) for anything like that, to me. Seems like something along those lines would have just been a punched hole. And, certainly not designed for a plastic plug.

Most mysterious, indeed.

Posted by: ripper911 Aug 19 2014, 06:11 AM

Now that you have observed them, their purpose has changed.

Posted by: mobymutt Aug 19 2014, 06:40 AM

I would guess that the holes were meant for locating pins during manufacture.

Posted by: KELTY360 Aug 19 2014, 08:25 AM

Or, maybe the observer has changed.

Posted by: boxsterfan Aug 19 2014, 09:12 AM

Porsche added them so that Herb Kunststoff could build a small business in Hamburg manufacturing these little plastic plugs.

Posted by: Cuda911 Aug 19 2014, 11:29 AM

Now, to the most serious of issues: Anyone got a plug they don't need (the larger size)? My car will never be complete until I find one!

Posted by: stugray Aug 19 2014, 11:50 AM

schrodinger is dead and the cat has 9 lives. Open & close the trunk lid 8 more times....

Posted by: walterolin Aug 19 2014, 12:30 PM

Werner Heisenberg is uncertain whether that will work....

Posted by: 914_teener Aug 19 2014, 11:25 PM

That actually was really funny