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uk.rec.cars.fuel.lpg (Cars Running LPG) (uk.rec.cars.fuel.lpg)

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LPG leak.



 
 
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  #11 (permalink)  
Old July 5th 03, 09:04 PM posted to uk.rec.cars.fuel.lpg
SimonJ
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Posts: 888
Default LPG leak.


However allegedly there is a smell of lpg coming in through the air vents

on
the dash.

If they had just been driving the car on gas, then stopped the engine, then
there will be a smell of gas, as the gas in the inlet manifold will escape
via the engine air intake. This is perfectly normal and the only way to
prevent it is to stop the engine by shutting off the gas, rather than by
switching off the ignition.

It is almost impossible that the smell of gas is entering the vent while
driving, as any gas that leaked would be immediately dispersed by the
airflow around the car.


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  #12 (permalink)  
Old July 6th 03, 10:53 AM posted to uk.rec.cars.fuel.lpg
Austin Shackles
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Posts: 533
Default LPG leak.

On or around Sat, 5 Jul 2003 20:04:45 +0000 (UTC), "SimonJ"
enlightened us thusly:


However allegedly there is a smell of lpg coming in through the air vents

on
the dash.

If they had just been driving the car on gas, then stopped the engine, then
there will be a smell of gas, as the gas in the inlet manifold will escape
via the engine air intake. This is perfectly normal and the only way to
prevent it is to stop the engine by shutting off the gas, rather than by
switching off the ignition.

It is almost impossible that the smell of gas is entering the vent while
driving, as any gas that leaked would be immediately dispersed by the
airflow around the car.


used to get gas smells through the heater on the LR 110, for no
adequately-explainable reason.

--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"All animals are equal, but some animals are more equal than others"
George Orwell (1903 - 1950) Animal Farm
  #13 (permalink)  
Old July 6th 03, 06:12 PM posted to uk.rec.cars.fuel.lpg
SimonJ
external usenet poster
 
Posts: 888
Default LPG leak.



used to get gas smells through the heater on the LR 110, for no
adequately-explainable reason.

The heater inlet next to the exhaust?
That useless foam ring (joint between airbox on wing, and heater box on
bulkhead) will quite possibly allow fumes through, if you have slight leak
from manifold


  #14 (permalink)  
Old July 6th 03, 07:31 PM posted to uk.rec.cars.fuel.lpg
Austin Shackles
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Posts: 533
Default LPG leak.

On or around Sun, 6 Jul 2003 17:12:38 +0000 (UTC), "SimonJ"
enlightened us thusly:



used to get gas smells through the heater on the LR 110, for no
adequately-explainable reason.

The heater inlet next to the exhaust?
That useless foam ring (joint between airbox on wing, and heater box on
bulkhead) will quite possibly allow fumes through, if you have slight leak
from manifold


replaced that, checked it all 17 times for leaks, including taking the back
off the vapouriser to look for leaks there. Never got to the bottom of it,
really. Doesn't do it now, with the V8 in it.

--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"You praise the firm restraint with which they write -_
I'm with you there, of course: They use the snaffle and the bit
alright, but where's the bloody horse? - Roy Campbell (1902-1957)
  #15 (permalink)  
Old July 7th 03, 10:21 PM posted to uk.rec.cars.fuel.lpg
Neil Cummins
external usenet poster
 
Posts: 10
Default LPG leak.


"Austin Shackles" wrote in message
...
On or around Sun, 6 Jul 2003 17:12:38 +0000 (UTC), "SimonJ"
enlightened us thusly:



used to get gas smells through the heater on the LR 110, for no
adequately-explainable reason.

The heater inlet next to the exhaust?
That useless foam ring (joint between airbox on wing, and heater box on
bulkhead) will quite possibly allow fumes through, if you have slight

leak
from manifold


replaced that, checked it all 17 times for leaks, including taking the

back
off the vapouriser to look for leaks there. Never got to the bottom of

it,
really. Doesn't do it now, with the V8 in it.

--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"You praise the firm restraint with which they write -_
I'm with you there, of course: They use the snaffle and the bit
alright, but where's the bloody horse? - Roy Campbell (1902-1957)


Hmm. A bit worrying - I thought it was normal to smell gas when driving an
LPG vehicle. My 110 V8, which is fitted with a BRC kit constantly smells of
gas when driving - standing still with the engine running is worst. Is it
worth checking for links between the air filter and carb?

Neil


  #16 (permalink)  
Old July 7th 03, 10:49 PM posted to uk.rec.cars.fuel.lpg
Stewart Hargrave
external usenet poster
 
Posts: 185
Default LPG leak.

From a point at sea, to the circles of your mind, this is Neil
Cummins:


Hmm. A bit worrying - I thought it was normal to smell gas when driving an
LPG vehicle. My 110 V8, which is fitted with a BRC kit constantly smells of
gas when driving - standing still with the engine running is worst. Is it
worth checking for links between the air filter and carb?


Despite what the others are saying, I can't see how anything can
escape from a leaking inlet manifold. The inlet tract is a low
pressure zone - it may draw stuff *in* through a leak, but it's not
going to let it *out*; not while the engine is running. I s'pose it
may be something to do with harmonic pulses or some such highfalutin
stuff which cleverer people than me know about. I'd take a bit of
convincing about that, though.

On t'other hand, I can sometimes smell LPG when stationary with the
windows open. I reckon it's simply coming from the exhaust.


--

Stewart Hargrave

Faster than public transport


For email, replace 'SpamOnlyToHere' with my name
 



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