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Old 12-25-2005, 03:01   #1 (permalink)
Joakim Soya
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Oil from Vents

2 1/4 Liter Petrol engine "problem"
The Crankcase vent and the rocker case vent is "emitting" smal ammounts of
oil over the Motor.
Is these mushrom shaped domes ment to be empty, or shall they contain some
kind of Oil retaining/recirculation apperatus, spoonge or net.

Regards
And merry cristmas
Joakim


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Old 12-25-2005, 04:01   #2 (permalink)
wayne@lardrover.co.uk
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Re: Oil from Vents

On Sun, 25 Dec 2005 11:39:38 +0100, "Joakim Soya" <jsoya@hotmail.com>
made me spill my meths when he wrote:

>Is these mushrom shaped domes ment to be empty, or shall they contain some
>kind of Oil retaining/recirculation apperatus, spoonge or net.


Something like these? :

http://cgi.ebay.co.uk/SERIES-3-LANDR...QQcmdZViewItem

He has the nuts and gasket as well:
http://cgi.ebay.co.uk/SERIES-LANDROV...QQcmdZViewItem
http://cgi.ebay.co.uk/SERIES-1-2-3-L...QQcmdZViewItem

All the best
--
Wayne Davies - Mobile 07989 556213 - Harrogate, N.Yorks, UK
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Old 12-25-2005, 12:01   #3 (permalink)
Bob Hobden
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Re: Oil from Vents


"Joakim Soya" wrote
>2 1/4 Liter Petrol engine "problem"
> The Crankcase vent and the rocker case vent is "emitting" smal ammounts of
> oil over the Motor.
> Is these mushrom shaped domes ment to be empty, or shall they contain some
> kind of Oil retaining/recirculation apperatus, spoonge or net.
>


The rocker case vent contains a sort of metal sponge on mine, and it's also
got a vent pipe to a valve and then to a pipe on the Carb flange.
One tip, if you take off the rocker cover get a new cork gasket and use that
red gunge to stick it to the cover only, do not stick it to the head, just a
smear of oil. No oil leeks then.
--
Regards
Bob
1974 S111 SWB 2.25 petrol Hardtop (For Sale)
1987 90 2.5 petrol Hardtop


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Old 12-25-2005, 12:01   #4 (permalink)
JD
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Re: Oil from Vents

Joakim Soya wrote:

> 2 1/4 Liter Petrol engine "problem"
> The Crankcase vent and the rocker case vent is "emitting" smal ammounts of
> oil over the Motor.
> Is these mushrom shaped domes ment to be empty, or shall they contain some
> kind of Oil retaining/recirculation apperatus, spoonge or net.
>
> Regards
> And merry cristmas
> Joakim


Depends on the age of the engine. As originally built, the two vents had
wire wool in them, oiled to act as air cleaners. The oil is renewed by oil
mist from the engine, and these can be expected to emit small amounts of
oil mist, especially if there is a fair bit of leakage past the rings. In
later engines the one on the crankcase vent was replaced with a sealed cap
and a hose added which led to a Positive Crankcase Ventilation Valve and
thence to the intake manifold. A further hose led from the rocker cover
vent to the intake hose elbow above the carburetter. (I think the change
depended on the market, but probably about late sixties - but of course
both the engine and the bits are interchangeable)

This later system should not emit any oil vapour, but with a lot of leakage
past the rings allowing crankcase pressure to build up despite the PCVV, or
if the latter is faulty, leaks may appear anywhere. The most common source
of leaks is the rocker cover gasket and the seal below the rocker cover
vent.
JD
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Old 12-26-2005, 06:01   #5 (permalink)
Joakim Soya
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Re: Oil from Vents

Thank You all for reply -
It's a 69 Series engine - And the small domes are empty, i will add some
kind of metal Sponge to catch oil mist.

Joakim
"Joakim Soya" <jsoya@hotmail.com> skrev i en meddelelse
news:43ae74a7$0$47000$edfadb0f@dread15.news.tele.dk...
> 2 1/4 Liter Petrol engine "problem"
> The Crankcase vent and the rocker case vent is "emitting" smal ammounts of
> oil over the Motor.
> Is these mushrom shaped domes ment to be empty, or shall they contain some
> kind of Oil retaining/recirculation apperatus, spoonge or net.
>
> Regards
> And merry cristmas
> Joakim
>
>



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Old 12-26-2005, 07:01   #6 (permalink)
wayne@lardrover.co.uk
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Re: Oil from Vents

On Mon, 26 Dec 2005 14:45:04 +0100, "Joakim Soya" <jsoya@hotmail.com>
made me spill my meths when he wrote:

>Thank You all for reply -
>It's a 69 Series engine - And the small domes are empty, i will add some
>kind of metal Sponge to catch oil mist.


Don't know what I was thinking of with my reply but had a look at the
SIIa and the metal sponge looks similar to the wire pan scourers you
can get. More like metal straw than sponge or wire wool. One of those
might do the job. Didn't feel like taking the mushroom apart to see
how it came out though, despite the earlier bollock I dropped :)

All the best
--
Wayne Davies - Harrogate, N.Yorks, UK
Mobile 07989 556213
Per Mud - Ad Pub
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Old 12-27-2005, 02:01   #7 (permalink)
Danny
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Re: Oil from Vents

wayne@lardrover.co.uk wrote:
> On Mon, 26 Dec 2005 14:45:04 +0100, "Joakim Soya" <jsoya@hotmail.com>
> made me spill my meths when he wrote:
>
>
>>Thank You all for reply -
>>It's a 69 Series engine - And the small domes are empty, i will add some
>>kind of metal Sponge to catch oil mist.

>
>
> Don't know what I was thinking of with my reply but had a look at the
> SIIa and the metal sponge looks similar to the wire pan scourers you
> can get. More like metal straw than sponge or wire wool. One of those
> might do the job. Didn't feel like taking the mushroom apart to see
> how it came out though, despite the earlier bollock I dropped :)
>
> All the best


I always thought they were flame traps.

--
Regards,
Danny

http://www.gaggia-espresso.com (a purely hobby site)
http://www.dannyscoffee.com (UK advert for my mobile espresso service)
http://www.malabargold.co.uk (UK/European online ordering for Malabar
Gold blend)
swap Z for above characters in email address to reply

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Old 12-28-2005, 11:01   #8 (permalink)
Dougal
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Re: Oil from Vents

wayne@lardrover.co.uk wrote:

> On Mon, 26 Dec 2005 14:45:04 +0100, "Joakim Soya" <jsoya@hotmail.com>
> made me spill my meths when he wrote:
>
>
>>Thank You all for reply -
>>It's a 69 Series engine - And the small domes are empty, i will add some
>>kind of metal Sponge to catch oil mist.

>
>
> Don't know what I was thinking of with my reply but had a look at the
> SIIa and the metal sponge looks similar to the wire pan scourers you
> can get. More like metal straw than sponge or wire wool. One of those
> might do the job. Didn't feel like taking the mushroom apart to see
> how it came out though, despite the earlier bollock I dropped :)
>
> All the best


Wayne - I'm not convinced that you did necessarily drop anything!

Joakim - how many liitle domes do you have? How big are they?

The rocker and crankcase breathers can drip oil if they are not washed
out regularly. I'm trying to remember if it is easy (or even possible)
to get the gauze out of these breathers.

Another leak point is the O-ring on the rocker cover breather.

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Old 12-28-2005, 18:01   #9 (permalink)
Joakim Soya
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Posts: n/a
Re: Oil from Vents

I have 2 little domes - one on the Crankcase Vent Pipe and one on top of the
rocker Cover
Both are emitting oil (crankcase breather the most), and it is leaving the
domes thru the Horisontal cutout's - where fumes are suposed to exit - so if
someting insde the "little" domes are missing, a gadget that makes the Fumes
go out the cutouts, but "catches the oil mist" and recirculates it.
The diameter of the domes are 3-4 Inches, i will start a search for the
O-Ring under the breather, when Snowing stops.

Regards
Joakim


"Dougal" <DougalAThiskennel.free-online.co.uk> skrev i en meddelelse
news:NqmdnWvK64hiRS_eRVny3g@eclipse.net.uk...
> wayne@lardrover.co.uk wrote:
>
> > On Mon, 26 Dec 2005 14:45:04 +0100, "Joakim Soya" <jsoya@hotmail.com>
> > made me spill my meths when he wrote:
> >
> >
> >>Thank You all for reply -
> >>It's a 69 Series engine - And the small domes are empty, i will add some
> >>kind of metal Sponge to catch oil mist.

> >
> >
> > Don't know what I was thinking of with my reply but had a look at the
> > SIIa and the metal sponge looks similar to the wire pan scourers you
> > can get. More like metal straw than sponge or wire wool. One of those
> > might do the job. Didn't feel like taking the mushroom apart to see
> > how it came out though, despite the earlier bollock I dropped :)
> >
> > All the best

>
> Wayne - I'm not convinced that you did necessarily drop anything!
>
> Joakim - how many liitle domes do you have? How big are they?
>
> The rocker and crankcase breathers can drip oil if they are not washed
> out regularly. I'm trying to remember if it is easy (or even possible)
> to get the gauze out of these breathers.
>
> Another leak point is the O-ring on the rocker cover breather.
>



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