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Message: 1
Date: Sun, 27 Jan 2008 00:28:02 EST
From: [EMAIL PROTECTED]
Subject: Re: [MBZ] Fuel vacuum again?
To: mercedes@okiebenz.com
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=US-ASCII
I have heard stories
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Message: 1
Date: Sun, 27 Jan 2008 00:28:02 EST
From: [EMAIL PROTECTED]
Subject: Re: [MBZ] Fuel vacuum again?
To: mercedes@okiebenz.com
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=US-ASCII
I have heard
A pretty common thing in RV gensets, as well as on
propane ones where the vent line for the regulator
gets clogged by bugs and the unit will start but not
run because you can't get atmospheric pressure on the
vent side of the secondary fuel regulator.
I had an asshat service manager that told one
The vent is under the car by the rear suspension somewhere. It is
the prefect size for a mud dauber to build a nice nest in.
I 've also know spiders to seal them up with silk for a nice home.
Clean it out properly and you should be fine.
Peter
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My brother gave me a weedeater that quit running well, although
mainly because it wasn't easy for his wife to use.
Wouldn't start, and I nearly busted myself trying. Cleaned out the
carb, set the mixture, cleaned the plug, everything. It would hit
about twice on ether, so I knew it was
PROTECTED]
Subject: Re: [MBZ] Fuel vacuum again?
To: [EMAIL PROTECTED], Mercedes Discussion List
mercedes@okiebenz.com
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=US-ASCII
1985 300D
The amount of vacuum that was in the tank... OY! I can understand how
the
previous tank
it
mysteriously wouldn't run. I drained out the bar oil they'd filled the gas tank
with and after a little flushing it ran great.
Then they stole it back...
-Curt
Date: Sun, 27 Jan 2008 10:55:00 -0800
From: Peter Frederick [EMAIL PROTECTED]
Subject: Re: [MBZ] Fuel vacuum again?
To: Mercedes Discussion
Few months ago I reported that a fuel tank was imploded due to vent having
been stopped up? That was repaired, tank was replaced, crushed fuel sending
unit replaced and lines were blown out.
Tonight I was concerned. I returned from a little road trip and stopped for
fuel. I haven't actually had
Yeah, it's not venting!
Barry (ducking)
BTW What model was this?
The suction in the tank was such that the fuel cap was difficult to
remove. I mean, tug hard and then a huge woosh sound of sucking air.
Any thoughts?
___
http://www.okiebenz.com
For new
Timothy Robinson wrote:
Any thoughts?
Is the tank vent clear?
You might want to get a spare cap and drill it, or take off the cap
gasket until you get this fixed. (if you don't want another crumpled tank)
You should not be able to pull a vacuum on the tank via the fuel lines
under the hood.
it out?
(Sure can't afford to crunch another tank!)
T
From: Barry Stark [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED], Mercedes Discussion List
mercedes@okiebenz.com
Date: Sat, 26 Jan 2008 17:53:18 -0800
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Fuel vacuum again
The suction in the tank was such that the fuel cap was difficult to
remove. I mean, tug hard and then a huge woosh sound of sucking air.
So, exactly what did you do to CURE the original problem? Did
you replace the vent valve?
-- Jim
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Date: Sat, 26 Jan 2008 19:13:04 -0800
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Fuel vacuum again?
The suction in the tank was such that the fuel cap was difficult to
remove. I mean, tug hard and then a huge woosh sound of sucking air.
So, exactly what did you do
I have heard stories of wasps mudding up the vent on diesel fuel tanks,
could be repeatable because some bees home back to the same place again and
again.
Or if you drive over freshly irrigated ground, you might be clogging the
vent, which hangs down at the front center of the tank and
I even considered if water might have gotten into the vent line and perhaps
frozen. Was in 20s tonight when I fueled.
From: [EMAIL PROTECTED]
Reply-To: Mercedes Discussion List mercedes@okiebenz.com
Date: Sun, 27 Jan 2008 00:28:02 EST
To: mercedes@okiebenz.com
Subject: Re: [MBZ] Fuel
Anyway, it was obvious that vent was clogged. I wound up replacing the
tank
and broken sending unit. Was good as new. Indie said the vent was
clear.
The vent is a double-acting valve. Perhaps you should replace it?
Certainly check it out.
-- Jim
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