Fuel smell - What aternative to Hylomar ?

Technical advice Q&A

Topic author
lyons
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Joined: Thu Sep 03, 2009 2:23 pm
Great Britain

#1 Fuel smell - What aternative to Hylomar ?

Post by lyons » Sat Mar 04, 2017 3:32 pm

Last year car was BLESSED with a fuel smell in the boot.

Tank now out with new hoses and clamps being fitted all round and new washers on the fuel pump and bulkhead connection

That just leaves the fuel sender and the fuel pickup on the top of the tank - if this was where the smell was coming from.

So, what have others used instead of Hylomar which did NOT seem to stop the smell of petrol filling the boot and the rest of the car.

Silicone !! or any other suggestions gratefully received as I need to cure this once and for all.

Thanks.

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Topic author
lyons
Posts: 109
Joined: Thu Sep 03, 2009 2:23 pm
Great Britain

#2 Re: Fuel smell - What aternative to Hylomar ?

Post by lyons » Sat Mar 04, 2017 3:48 pm

Apologies - I now see there were other posts on this subject.

However, if anyone can suggest some type of sealant that has worked for them it will be helpfull to me.

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Moeregaard
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#3 Re: Fuel smell - What aternative to Hylomar ?

Post by Moeregaard » Sun Mar 05, 2017 2:09 pm

In my experience, silicone-based sealants swell up and de-bond when exposed to petrol. Instead, I use Permatex High-Tack Gasket Sealant, #80062, for any gasket that will see fuel. It's nothing more than rubber cement with an attitude, but works extremely well in this application. It's also my preferred material for Jaguar cam cover gaskets.
Mark (Moe) Shipley
Former owner '66FHC, #1E32208
Former owner '65FHC, #1E30036

Planning on getting E-Type No. 3 as soon as possible....

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david muir
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#4 Re: Fuel smell - What aternative to Hylomar ?

Post by david muir » Sun Mar 05, 2017 3:55 pm

new cork gaskets and smear of sealant cured petrol smell in mine(almost 20 years ago).
1964 3.8 FHC

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Kalle Borg
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#5 Re: Fuel smell - What aternative to Hylomar ?

Post by Kalle Borg » Fri Jul 07, 2017 10:43 pm

If you want a better gasket for the fuel sender, far better than the cork gasket, turn to a Volvo dealer (Volvo construction machines, s a wheel loaders, excavators, dumper trucks etcetera) and ask for a gasket with part number ZM2906069. No sealant needed for that one.

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Heuer
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#6 Re: Fuel smell - What aternative to Hylomar ?

Post by Heuer » Sat Jul 08, 2017 9:46 am

If Hylomar did not stop the smell I suggest it is coming from somewhere else such as the rubber filler hose or ventilation hose. Also check the fuel pump unions.
David Jones
S1 OTS OSB; S1 FHC ODB

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