Today's Message Index:
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1. 04:15 PM - Strange goop in the overflow bottle (LarryMcFarland)
2. 05:10 PM - Re: Strange goop in the overflow bottle (gary)
3. 05:19 PM - Re: Strange goop in the overflow bottle (Bryan Martin)
Message 1
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| Subject: | Strange goop in the overflow bottle |
Hi Guys,
This week begins the Annual Inspection of my 601HDS and one of the first
things was a coolant leak that dripped ever so slightly from the coolant
overflow bottle. Large filler hoses were moved out of the way. I tried
to siphon the last half-inch of coolant, but goop on the bottom
prevented it. The coolant bottle was removed and the last half-pint of
coolant was poured into another bottle. The bottom goop was very
different from the clean and transparent coolant. It was gray-black and
didnt act or feel like oil. After flushing the goop out of the bottle
in two level chunks, I put the goop on paper and it dried to a
gray-black cake. Rubbed between the fingers, it felt like an extremely
fine compound. The bottle was refilled and set on a shelf to check it
again for leakage. There was a leak spot on the back firewall side where
the bottle contacts a rivet head. I've another bottle to install but was
very curious about the accumulated 1/8-inch of goop on the bottom of the
coolant bottle. Any ideas of what it might be? I've never encountered
this before. It's not oil, nor does it leave a carbon trace on the
fingers. It washes off like regular soil. Volume was 1/8 x 2 x 3 lg. The
coolant bottle has never been changed or cleaned, but my coolant has
been changed twice at 60 hours. Any ideas?
Thank you for your response,
Larry McFarland 601HDS at www.macsmachine.com
Message 2
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| Subject: | Re: Strange goop in the overflow bottle |
no idea Larry. maybe kick it over to flysoob for more feedback. I have
some floaties in my overflow bottle so maybe I'll clean it out and take
a closer look. It looks pretty cruddy but I was never concerned about
it. There's no goopy stuff, just light floating debris.
on another note, I finally found my oil leak and it was coming from the
main crank seal that I replaced about 20 hours ago. I left it out about
1/8" to move the seal away from the worn grove and maybe there wasn't
enough seal area around the edges. It was leaking from the outside at
the bottom. I got a new seal and one of those stainless steel speedy
sleeves so I'll see how that works out. It installed fine and looks
good so far (two runups with no prop).
gary
LarryMcFarland wrote:
> <larry@macsmachine.com>
>
> Hi Guys,
>
> This week begins the Annual Inspection of my 601HDS and one of the
> first things was a coolant leak that dripped ever so slightly from the
> coolant overflow bottle. Large filler hoses were moved out of the way.
> I tried to siphon the last half-inch of coolant, but goop on the
> bottom prevented it. The coolant bottle was removed and the last
> half-pint of coolant was poured into another bottle. The bottom goop
> was very different from the clean and transparent coolant. It was
> gray-black and didnt act or feel like oil. After flushing the goop
> out of the bottle in two level chunks, I put the goop on paper and it
> dried to a gray-black cake. Rubbed between the fingers, it felt like
> an extremely fine compound. The bottle was refilled and set on a shelf
> to check it again for leakage. There was a leak spot on the back
> firewall side where the bottle contacts a rivet head. I've another
> bottle to install but was very curious about the accumulated 1/8-inch
> of goop on the bottom of the coolant bottle. Any ideas of what it
> might be? I've never encountered this before. It's not oil, nor does
> it leave a carbon trace on the fingers. It washes off like regular
> soil. Volume was 1/8 x 2 x 3 lg. The coolant bottle has never been
> changed or cleaned, but my coolant has been changed twice at 60 hours.
> Any ideas?
>
> Thank you for your response,
>
> Larry McFarland 601HDS at www.macsmachine.com
>
>
Message 3
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| Subject: | Re: Strange goop in the overflow bottle |
I found a similar substance in my coolant bottle a couple of years
ago. Are you using the pink Dexcool fluid? I was at the time but have
switched to regular yellow Prestone fluid. I heard that there was some
problem with the newer Dexcool stuff, but I don't know how true it is.
It is apparently true that the two types are not compatible and mixing
them shortens the life of the anti-corrosion additives. I wonder if
the original engine had been running with conventional antifreeze and
my using the Dexcool without flushing out the old stuff led to the
sediment somehow. I haven't noticed any residue since changing to the
conventional fluid.
On Nov 2, 2008, at 7:14 PM, LarryMcFarland wrote:
> >
>
> Hi Guys,
>
> This week begins the Annual Inspection of my 601HDS and one of the
> first things was a coolant leak that dripped ever so slightly from
> the coolant overflow bottle. Large filler hoses were moved out of
> the way. I tried to siphon the last half-inch of coolant, but goop
> on the bottom prevented it. The coolant bottle was removed and the
> last half-pint of coolant was poured into another bottle. The bottom
> goop was very different from the clean and transparent coolant. It
> was gray-black and didnt act or feel like oil. After flushing the
> goop out of the bottle in two level chunks, I put the goop on paper
> and it dried to a gray-black cake. Rubbed between the fingers, it
> felt like an extremely fine compound. The bottle was refilled and
> set on a shelf to check it again for leakage. There was a leak spot
> on the back firewall side where the bottle contacts a rivet head.
> I've another bottle to install but was very curious about the
> accumulated 1/8-inch of goop on the bottom of the coolant bottle.
> Any ideas of what it might be? I've never encountered this before.
> It's not oil, nor does it leave a carbon trace on the fingers. It
> washes off like regular soil. Volume was 1/8 x 2 x 3 lg. The coolant
> bottle has never been changed or cleaned, but my coolant has been
> changed twice at 60 hours. Any ideas?
>
> Thank you for your response,
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
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