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Finally getting to drain and flush my W-58 cooling system. Just checking on the drain location as it is not shown in the parts catalogs that I have. There is an elbow coming out of the block just behind the oil dipstick with a small square drive plug in the forward facing end of it. Is this the mysterious drain? Just want to be sure before I pull stuff apart.
Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu -
Usually there’s a petcock there, but if someone used a plug instead, yes,
that’s it.Bob
On Mon, Feb 10, 2014 at 5:50 PM, kalinowski wrote:
Finally getting to drain and flush my W-58 cooling system. Just checking
on the drain location as it is not shown in the parts catalogs that I have.
There is an elbow coming out of the block just behind the oil dipstick
with a small square drive plug in the forward facing end of it. Is this
the mysterious drain? Just want to be sure before I pull stuff apart.Dan Kalinowski
Jolly Lama #135
Keehi Lagoon, O’ahu_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
—
Bob Fine
s/v Pelican
Pearson 424 Hull #8
http://thesailinglife.blogspot.com
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Aloha Bob: The elbow that is just aft of the dip stick turned out to be a drain/access (?) for the engine oil. I opened it and, yes, there was engine oil in there. Perhaps there was once an oil pressure gauge in there that a PO removed and replaced with a screw plug There are a couple of screw-out plugs further aft of the oil elbow that are flush with the block surface. I wonder if either of these are the coolant drain. Your thoughts?
Dan Kalinowski
Jolly Lama #135
Ke’ehi Lagoon, O’ahu -
Let me look in the morning. I thought you’d have the petcock there in
addition to the oil pressure sender. I’ll get back to you.Bob
Pardon the brevity. I’m typing this on my phone and I hate typing on my
phone.
On Feb 14, 2014 6:00 PM, “kalinowski” wrote:Aloha Bob: The elbow that is just aft of the dip stick turned out to be a
drain/access (?) for the engine oil. I opened it and, yes, there was
engine oil in there. Perhaps there was once an oil pressure gauge in there
that a PO removed and replaced with a screw plug There are a couple of
screw-out plugs further aft of the oil elbow that are flush with the block
surface. I wonder if either of these are the coolant drain. Your thoughts?Dan Kalinowski
Jolly Lama #135
Ke’ehi Lagoon, O’ahu_______________________________________________
maillist mailing listhttps://pearson424.org/mailman/listinfo/maillist_pearson424.org
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Gents-
The W58 coolant drain plug is located on the starboard side of the engine
(port side of boat). It is a brass plug about an inch up from the oil pan,
and in the middle of the block. I just drained coolant from there this past
fall to completely remove all the old standard antifreeze and replaced with
extended life coolant.Good luck!
Rodd
Windseeker, #214
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Rod,
I’ve been following this discussion because I’m about to flush my system
but could not find the plug either. After reading your response I went and
looked at my 71C four and sure as hell there is a plug about where you
said. It just so happens that the end of my starter is in a direct path for
a socket to reach it. For the life of me I can’t see getting a wrench in
there without either alternator and raw water pump off or the starter off.
Maybe a skinny arm from underneath. Tomorrow is another day!
Ken
#91On Fri, Feb 14, 2014 at 8:40 PM, Rodd Leeds wrote:
Quote:Gents-The W58 coolant drain plug is located on the starboard side of the engine
(port side of boat). It is a brass plug about an inch up from the oil pan,
and in the middle of the block. I just drained coolant from there this
past fall to completely remove all the old standard antifreeze and replaced
with extended life coolant.Good luck!
Rodd
Windseeker, #214
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I don’t have the W-58 so I can’t comment on the coolant drain, but here’s a link to my favorite tool. I can’t say for sure that this would help you in this instance but I find them very helpful.
I have one set of metric and one set of SAE on my boat and another set at home. With two wrenches, you have 8 sizes. They work very well. If I don’t know the size, I just grab all 4 and stuff them in my rear pocket. I have both metric and SAE covered that way, 16 sizes in total.
Rich
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