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Re: [Fot] Aluminum connectors

To: <>
Subject: Re: [Fot] Aluminum connectors
From: "MadMarx" <>
Date: Wed, 31 Dec 2014 13:56:12 +0100
References: <001001d024ef$27362d30$75a28790$@com> <> <001101d024f6$631f1300$295d3900$@com> <>
Thread-index: AdAk9snNHiLCeh9yTqmghpk2chBHNQAAlNPg
Found this on the web:

-----UrsprC<ngliche Nachricht-----
Von: Duncan Charlton []
Gesendet: Mittwoch, 31. Dezember 2014 13:39
An: MadMarx
Betreff: Re: AW: [Fot] Aluminum connectors


Were you able to find torque figures for tightening them?  If they are clean
and new, tightened to the proper spec, they may be faulty.  I have used them
in my fuel system, where the low viscosity and surface tension of gasoline
would surely find the slightest gap in the seal.


On 12/31/14, 6:36 AM, MadMarx wrote:
> Hi Duncan,
> that is my understanding, that these connectors should be self sealing.
> But even with the taper surfaces in new condition they seem to let oil
> Cheers
> Chris
> -----UrsprC<ngliche Nachricht-----
> Von: Duncan Charlton []
> Gesendet: Mittwoch, 31. Dezember 2014 13:18
> An: MadMarx
> Betreff: Re: [Fot] Aluminum connectors
> Chris,
> No seal should be required.  The tapers should seat against each other.
> Perhaps they've been assembled and disassembled enough times that the mating
surfaces are damaged.  The design is intended to produce a metal-to-metal
contact on the tapers, and the threads are not expected to seal.  You might
disassemble the leakers to see if the tapers look damaged.
> Duncan
> (Texas)
> On 12/31/14, 5:44 AM, MadMarx wrote:
>> Hi @ all,
>> hope you are getting well to the next year.
>> My car has many oil lines and also a lot of aluminum connectors and
>> some of the them do leak.
>> Is there any trick to seal them?
>> I think that I have tighten them enough and hesitate to tighten more
>> not to destroy them.
>> Is there a seal missing in those connectors?
>> Just an example what I mean for the system.
>> Cheers
>> Chris
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