HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Slight fuel smell

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Slight fuel smell

Post  Arthropraxis on Mon Oct 17, 2011 5:48 pm

When I lean over the passenger side fender and my face is directly over the hole the fuel line comes in from, there is a slight fuel smell. The car has a compression fitting on the fuel inlet line to an AN fitting and stainless braided line to the fuel rail.
Is a little smell normal? If not I will put some sealer on the compression fitting threads.
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Re: Slight fuel smell

Post  87-944S on Mon Oct 17, 2011 5:51 pm

I wouldn't be comfortable with any fuel smell! I have compression fittings on mine to AN as well, no smell.
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Re: Slight fuel smell

Post  Arthropraxis on Mon Oct 17, 2011 6:04 pm

Thanks, that is what I thought. Thread sealer should take care of it.
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Re: Slight fuel smell

Post  robstah on Mon Oct 17, 2011 6:14 pm

Sounds like you need to tighten it more.

I wouldn't use any sealant on a fitting like that. I've never really been a big fan of compression fittings either. Renting/buying a flare tool is worth it in the long run.

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Re: Slight fuel smell

Post  87-944S on Mon Oct 17, 2011 6:37 pm

I agree on the thread sealant, I have had no issues with compression fittings as long they are the proper size for the tubing.
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Re: Slight fuel smell

Post  Arthropraxis on Mon Oct 17, 2011 6:43 pm

I may flare it if the sealer doesn't fix it. The compression fittings were already on there along with the stainless lines from the Porsche motor. The anaerobic sealer worked well to stop the leak at the remote oil filter NPT threads.
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Re: Slight fuel smell

Post  robstah on Mon Oct 17, 2011 6:54 pm

Arthropraxis wrote:I may flare it if the sealer doesn't fix it. The compression fittings were already on there along with the stainless lines from the Porsche motor. The anaerobic sealer worked well to stop the leak at the remote oil filter NPT threads.

I also used tape on my NPT fittings, mainly because they don't have a seat to seal on. Any compression fitting/bubble/inverted fitting should never have sealant/tape on the threads. It's not the threads that seal it, it's the seat (hence the importance of flare angles with certain fittings). Your fitting is either too loose or the compression fitting is damaged. If tightening doesn't fix the smell, replace the compression fitting or flare it.

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Re: Slight fuel smell

Post  Admin on Mon Oct 17, 2011 8:18 pm

Which line is it? Let me know, and I can send you a new fitting that has a metric compression on one end and a #6 AN male on the other. It's my secret weapon............................Oh, just so you'll know, compression fitting have been used in production vehicles for a long time, I've seen nearly the same fittings that I use on WWII german tanks! Shocked

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Re: Slight fuel smell

Post  Arthropraxis on Tue Oct 18, 2011 6:35 am

I think that is the fitting I have now. It probably just needs to be tighter. The smell would fill the garage before I tightened it prior to this. Now it is just when I am over that area.
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Re: Slight fuel smell

Post  Arthropraxis on Wed Oct 19, 2011 8:38 pm

So, the fuel smell may have been the heat resistant liner over the inlet tube it has a fabric liner absorbing the fumes from the previous leak. Now, I do have a leak, overtightened the compression fitting. Admin, PM inbound.
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Re: Slight fuel smell

Post  Arthropraxis on Sat Oct 29, 2011 5:59 pm

While changing out the fittings, I found that the old fitting was not put together correctly by the original installer. It must have been leaking the entire time it had been in use.
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Re: Slight fuel smell

Post  87-944S on Sat Oct 29, 2011 6:27 pm

Really glad you found that and corrected it, a car in flames is no fun!
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Re: Slight fuel smell

Post  Arthropraxis on Sat Oct 29, 2011 9:24 pm

No danger. The leak was in the wheel well where it attaches to the fuel line, not at the fuel rail.
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