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04-11-2013, 02:25 PM
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#1 |
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Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Gas fumes in cab
All of the sudden (when season changed from cold to warm) I can smell gas in the cab??? - Any ideas what the problem could be?
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04-11-2013, 02:38 PM
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#2 |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Gas fumes in cab
Rubber fill hose from fill tube to tank. Probably need to replace the hose & clamps. Pain in the tail, but that normally fixes the problem. The hose is around $6-8
__________________
1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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04-11-2013, 02:43 PM
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#3 |
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Registered User
Join Date: Nov 2009
Location: Galt, Calif
Posts: 2,437
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Re: Gas fumes in cab
Or could be leaking at the cap and running back inside cab past body seal, or sending unit gasket is leaking very slightly...
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`64 C10 vortec 350/350/373 posi `69 RS/SS 350/350/308 `37 Ford 406/350/324 traclock `68 Dart 370/904/323 suregrip |
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04-11-2013, 03:05 PM
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#4 |
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Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: Gas fumes in cab
seeing as it has warmed up and the gas has expanded you may not be venting from the cap and fumes are coming from hose or elsewhere where the fumes are capable from leaking.
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04-11-2013, 04:27 PM
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#5 |
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Registered User
Join Date: Jan 2009
Location: Burbank, CA
Posts: 3,592
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Re: Gas fumes in cab
don't forget to mention the sending unit gasket.
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04-11-2013, 04:30 PM
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#6 |
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Registered User
Join Date: Oct 2010
Location: North Carolina
Posts: 123
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Re: Gas fumes in cab
I had the same issue. Replaced the filler hose. Found a "hairline crack" less than an inch long. Amazing how such a small opening could let so much in gas fumes into the cab.
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10-27-2017, 08:47 PM
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#7 |
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But Found Her 25yrs Later!
 
Join Date: Oct 2010
Location: Oregon City, Oregon
Posts: 10,523
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Re: Gas fumes in cab
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I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035 |
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10-28-2017, 03:35 PM
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#8 |
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Registered User
Join Date: Oct 2016
Location: san bernardino ca
Posts: 1,611
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Re: Gas fumes in cab
There many problems for this.
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10-29-2017, 08:14 AM
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#9 |
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Registered User
Join Date: Jun 2007
Location: Charlotte, NC
Posts: 516
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Re: Gas fumes in cab
Seal the sending unit screw threads on the tank as well, that is where mine was leaking.
__________________
past trucks: 1980 C-10 Silverado SWB 1961 C-10 custom cab LWB 1966 C-10 custom cab LWB |
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