New carb diaphram leaking

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zachmac
Posts: 1278
Joined: Sun Aug 24, 2008 9:20 am
Your car is a: 1978 Spider [1979 2 ltr engine]
Location: Aiken, SC

New carb diaphram leaking

Post by zachmac »

Just got back from a spirited drive and had a way too strong gasoline smell. Checked and found gas pouring out of the accelerator pump diaphram and sure enough once I took it out it is separated. Very strange in that it actually looks like a portion of the rubber deteriorated like it was somehow non-gasoline resistant. Has anyone else seen this? Maybe ethanol related?

It's a cheap replacement part (about $12) but it is frustrating on a brand new card with less than 100 miles of run time. Not to mention I'm off the road until I get a new one. I'll call the vendor tomorrow and see if they'll send me a replacement. Not the money but the fact it failed so soon that irks me.
Jeff Klein, Aiken, SC
1980 FI Spider, Veridian with Tan (sold about a year ago), in the market for another project
1989 Spider, sold
2008 Mercedes SL65
2008 S600 Mercedes V12
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Nanonevol
Patron 2018
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Posts: 828
Joined: Thu Nov 13, 2014 9:17 am
Your car is a: 1977 Fiat 124 Spider
Location: Medway, Massachusetts

Re: New carb diaphram leaking

Post by Nanonevol »

What kind of new carb? Chinese copy by any chance?
1977 Fiat Spider
1985 Jaguar XJ6
1967 Triumph Bonneville (hard-tail chopper)
1966 BSA Lightning
zachmac
Posts: 1278
Joined: Sun Aug 24, 2008 9:20 am
Your car is a: 1978 Spider [1979 2 ltr engine]
Location: Aiken, SC

Re: New carb diaphram leaking

Post by zachmac »

EMPI 32/36 DFEV (Weber knockoff). Not sure who is making them?
Jeff Klein, Aiken, SC
1980 FI Spider, Veridian with Tan (sold about a year ago), in the market for another project
1989 Spider, sold
2008 Mercedes SL65
2008 S600 Mercedes V12
DieselSpider
Posts: 2130
Joined: Wed Dec 24, 2014 10:21 pm
Your car is a: 1978 124 Spider with Isuzu Turbo Diesel

Re: New carb diaphram leaking

Post by DieselSpider »

Unfortunately the knock-offs do not always use ethanol resistant parts. Even many of the NOS OEM factory items won't stand up to ethanol.
sptcoupe
Posts: 987
Joined: Tue Mar 17, 2009 9:25 pm
Your car is a: 1972 124 Sport Coupe

Re: New carb diaphram leaking

Post by sptcoupe »

Sounds like you bought it new. Bought from a vendor or individual? If a vendor, I'd be on the phone with him about a replacement.
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