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<p>I researched this subject on the MG Experience site. Found a
couple of posts wherein the problem was cured by replacing the
fuel hoses from the under-hood inline fuel filter to the carbs.
Diagnosis was that the needles were glued to the seats by fine
rubber particles. I sent a PM to one guy asking him if he'd had a
recurrence of the problem after he changed the fuel hoses. He
replied, said no recurrences. <br>
</p>
<p>So I replaced the fuel hoses with new bulk 1/4" hoses. I have
some OEM-type braid-covered hoses coming from LB Car Co. So now
the fuel filter & hoses are new. We shall see ......</p>
<p>CR<br>
</p>
<br>
<div class="moz-cite-prefix">On 4/24/2017 9:38 AM, PaulHunt73 wrote:<br>
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<div><font size="2">All-plastic floats can be a fiddle to set the
correct height, but shouldn't cause the valve to stick. But
if you can get the adjustable ones then it's probably worth it
for itself. There are black StayUp floats from a lot of
suppliers these days, these are said to be unsinkable (so was
Titanic ...) and have a metal arm so adjustable.</font></div>
<div> </div>
<div><font size="2">There was a thread elsewhere in 2009 with a
very similar problem - multiple replacements no different,
even a new lid complete with valve already fitted was stuck
fast, and stuck again after freeing. A solution (pun not
intended) was apparently to clean the tip with a solvent, and
I'd do the seat as well with a cotton bud, making sure no
strands are left behind afterwards. The moving part should
definitely drop away from the seat under gravity alone.</font></div>
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<div><font size="2">PaulH.</font></div>
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<div style="FONT: 10pt arial">----- Original Message ----- </div>
<p>I managed to get one bowl cover off once while the needle was
stuck shut & the float had dropped away from it. Just
lightly touching it made the needle drop. There has never
been any residue in the bowls but I may replace the fuel hoses
JIC that they are decomposing internally. I've never been
able to detect any deposits on the needle tips though.</p>
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