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Registered
Join Date: Jul 2010
Posts: 328
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Fuel line compression fitting leak
A buddy needed to replace some intake components on his '91 964. As a result, some fuel line unions had to be undone.
Upon reassembly, the fitting in a line between the fuel rail and the fuel pressure regulator (FPR) get damp with a periodic drip as soon as the EFI is pressurized. The union is at the FPR. Both surfaces are free from any visual defects. It is damp regardless if it is mild-tight or super-tight. It is a compression fitting. There isn't much to service here. What is a method to resolve? Start replacing parts? Any other solution? In an effort to not disturb the two (of three) dry fittings on the FPR, trying to replace the hose first seems logical. When these types of unions fail, what side is typically the side of the problem? The line (male side) or the female side (FPR in this case)? Both? Thank you. |
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03-18-2018, 07:02 PM
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Join Date: Jul 2007
Location: Halifax, Canada
Posts: 1,216
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Step one I would unscrew it completely and screw it back on making sure it goes on straight. Sometimes they just need a reseating.
The 964 board might give you better advice. |
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03-19-2018, 03:24 AM
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Join Date: Jul 2010
Posts: 328
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Just looking for guidance and general experience resolving compression fitting faults. They just happen to be on a 964.
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03-19-2018, 11:09 AM
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Registered
Join Date: May 2004
Location: New Hampshire
Posts: 6,133
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 I use compression fittings all the time, but they are Metric, not a close USA aftermarket fitment that some shops offer.  Perhaps I can help. Post some photos or email me. NO pm's. Len at Autosportengineering dot com
Last edited by BoxsterGT; 03-26-2018 at 10:17 AM.. |
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03-26-2018, 10:15 AM
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Join Date: May 2004
Location: New Hampshire
Posts: 6,133
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Did this get repaired? Tell us how.
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04-18-2018, 04:41 AM
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Registered User
Join Date: Apr 2018
Posts: 1
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Trying to reach Len. PMs full. Email bounces. Please contact me at sarodude at yahoo com
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04-28-2018, 04:22 PM
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Registered
Join Date: Jul 2015
Location: Twin Cities
Posts: 748
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04-28-2018, 05:53 PM
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