My 300G tank is externally vented, I would think the 300F would be also. It could be the line is plugged. Bob J -----Original Message----- From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Michael Moore Sent: Tuesday, August 28, 2012 7:54 AM To: Lindsey Fuller Cc: Ron Waters; Chrysler300@xxxxxxxxxxxxxxx; cpaviper@xxxxxxxxxxx Subject: Re: [Chrysler300] 'Negative' gas tank pressure My 62 300H has a vent line from the tank to the outside-do the earlier cars not have such a vent? Mike Moore On Aug 28, 2012, at 7:21 AM, Lindsey Fuller wrote: I believe your conclusion is correct Ron. He should get it vented quickly. I actually had a replacement tank on my E collapse in all 4 corners from this negative pressure after redoing the whole fuel system. Would not have believed this possible unless I had seen it happen. 1/8" hole preferred solution over installing a new tank, Lindsey in Winnipeg. ----- Original Message ----- From: Ron Waters <ronbo97@xxxxxxxxxxx> Date: Monday, August 27, 2012 10:28 pm Subject: Re: [Chrysler300] 'Negative' gas tank pressure To: Chrysler300@xxxxxxxxxxxxxxx, cpaviper@xxxxxxxxxxx > He needs a VENTED gas cap. Or just drill an 1/8" hole in the top of > his present one. > > Ron > ----- Original Message ----- > From: <cpaviper@xxxxxxxxxxx> > To: <Chrysler300@xxxxxxxxxxxxxxx> > Sent: Monday, August 27, 2012 11:18 PM > Subject: [Chrysler300] 'Negative' gas tank pressure > > > > > Was at a local cruise-in this evening, and visiting with fellow 300F > owner, Frank Troost. Frank mentioned a problem he had last Sunday with > his '57 Adventurer coupe. He said the engine seemed starving for fuel, > the glass bowl fuel filter wasn't filling with gas, and when he un > screwed the gas cap, there was a huge 'whoosh' of air into the tank, > and fuel flowed to the engine. His fuel pump now seems inoperable. > > > > Does this sound like a gas tank venting issue? I read the archived > emails on 'positive' gas tank pressure, but this is the opposite > problem. > > > Thanks, > > Noel Hastalis > > Burr Ridge, IL > > 300F > > [Non-text portions of this message have been removed] > > > > ------------------------------------ > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or > go to http://autos.groups.yahoo.com/group/Chrysler300/join and select > the "Leave Group" button > > For list server instructions, go to > http://www.chrysler300club.com/yahoolist/inst.htm > > For archives go to > http://www.forwardlook.net/300- > archive/search.htm#querylangYahoo! Groups Links > > > > > > ------------------------------------ > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or > go to http://autos.groups.yahoo.com/group/Chrysler300/join and select > the "Leave Group" button > > For list server instructions, go to > http://www.chrysler300club.com/yahoolist/inst.htm > For archives go to http://www.forwardlook.net/300- > archive/search.htm#querylangYahoo! Groups Links > > > > Lindsey Fuller 300 E,F [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylangYahoo! Groups Links ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to http://autos.groups.yahoo.com/group/Chrysler300/join and select the "Leave Group" button For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylangYahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/