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Winterizing A PCM GT40

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spiralhelix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote spiralhelix Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 2:10pm
Thanks to Keno's excellent scientific methods, we have this experiment to fully understand what the outcome may be without draining all the water out of the block before filling with antifreeze.

I am a personal fan of the pour in method as during my process it is actually faster than using the bucket. I leave the drain plugs out and start pouring. Then as the block fills some AF will get the remaining bits of water out, and I'll plug that drain. Continue to pour until the next drain location gets AF and plug. Do the same thing with the exhaust. Unfortunately, i have had to accept that "end of season" and 1 week old means early winterization for me too this year.

side note: i didn't see Keno's post over on the Boat Maintenance FAQ, maybe it could get added over there as it is such an excellent resource during these winterizing discussions.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rwittmer Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 7:54pm
Hi Spiral,
Thank's for the information. I stopped by my Correct Craft dealer and I asked the Mechanic how they winterize my 92 Nautique? He told me that since they are extremely busy they do not use the drain plug method. Basically he showed me a container with about 20 gallons or so of AntiFreeze. They draw the AF using the water pump from the boat (inlet hose attached to another hose sucking the AF from this container). He said you just have to make sure you run the engine long enough for the thermostat to open. I have a driver's heater and he told me that is no problem as the AF will go throughout the engine and lines. Then he fogs the carburator and changes the oil and filter.

That's about it and that's the best way to do it. Yes it's true you will need a large supply of antifreeze but still seems easy enough.

What do you think about this method? Anyone else ever tried this method?

Thanks,

Rene
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spiralhelix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote spiralhelix Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 8:35pm
Originally posted by rwittmer rwittmer wrote:

Then he fogs the carburator and changes the oil and filter.

Well, this is a tough call. I guess it boils down to personal preference. Without getting into too much detail, I scoured this site before my first winterizing and kept track of EVERY step people take. Some processes were different than others, omitting or changing order of some parts. My conclusion from the research was that as long as you get basically ALL water out of the engine to prevent it from expanding and cracking the block, you are probably pretty safe. Anything else you do is whether you thinks its necessary or want to do the absolute most to keep your boat in tip-top shape.

I guess the point of posting that link that Keno made was to show that by not draining the water, you for sure will be diluting the AF and lowering it's protection ability. Will that lead to the engine being ruined? probably not, but that's your call/gamble.

Personally I warm up the engine and change the oil first, so there is fresh oil in there. Other people would rather change in the spring. Some fog the carb and let the engine suck it into the chambers, i prefer to do it manually into each cylinder. As I said before, i believe it comes down to personal preference.

Originally posted by rwittmer rwittmer wrote:


That's about it and that's the best way to do it. Yes it's true you will need a large supply of antifreeze but still seems easy enough.

Best way seems pretty subjective. Plenty of people have done things in various ways all with success. Some people have used successful ways with utter failure. The bucket/pull method does seem to waste more AF overall, and Im frugal (ok cheap) and don't want to spend more $$ on stuff if i don't have to. Pouring it in is like 2.5 gallons. I'd say i can generally winterize my boat (with everything) in about 30-45 min. Depends on if I want an excuse to not work on anything else Don't be scared to winterize yourself. Just make a game plan for your first time so you don't miss something you feel is important. Take your time. After that it becomes second nature.
-Spiral
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TRBenj Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 8:35pm
Overly complex and less than ideal. Requires green (toxic) AF since the marine stuff isn’t meant to be diluted. You waste a lot and you need to drain in the spring rather than simply blow out the back. You also need to continuously test the dilution% to be sure block has adequate freeze protection.

Bad idea for a 1-off. Just drain it first.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 8:53pm
Rene,
It sure sounds like you are against removing some drain plugs, disconnecting some hoses and then pouring some antifreeze in the block. Have you ever used a refractometer before? If you do the pump through, then I highly recommend using one. Good luck.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote rwittmer Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 8:58pm
I have to admit that I'm just worried to make a mistake and have a problem. But I have to agree the drain plugs seem very logical and way more environmental friendly.

So I have decide to use the drain plug method. At the same time I will remove my impeller and replace it for next spring.

I appreciate everyone's comments and suggestions,

Thank you,
Rene
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 9:01pm
Originally posted by Gary S Gary S wrote:

and DON'T let anyone tell you different......



What did I say when you asked the question???

This is against Pleasurecraft Marine's own instructions in the engine's owners manual
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dreaming Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 9:24pm
Rene - I would suggest that you leave the impeller out until spring... Taking the impeller out for replacement keeps it from getting stuck and taking a set over the course of the winter.   Also gives you a chance to inspect everything again before putting it in the water.

I agree on the drain method for water passages.   After that, you can re-fill.

I purchased my boat after it froze, and aside from the very attractive purchase price, $3500 and a bunch of work to get that new engine up to speed was a real hassle in the spring when I'd rather have been skiing...

One other fun trick, when you take your oil filter off, use a 1 gallon ziplock bag around the bottom so that you don't spill any oil on the carpet    
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 63 Skier Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 10:30pm
PULL THE DRAIN PLUGS. IT MAKES ABSOLUTELY NO SENSE TO NOT REMOVE THEM.

Not trying to be a jerk, but if you can turn the ignition key to start it you can turn the drain plugs to remove them. It's that easy.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SNobsessed Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 10:40pm
Put some plastic sheet over the carpet, save some rust stains & wet carpet.

1/2 inch breaker bar work good for the manifold plugs.
“Beer is proof that God loves us and wants us to be happy.”

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Post Options Post Options   Thanks (0) Thanks(0)   Quote rwittmer Quote  Post ReplyReply Direct Link To This Post Posted: September-19-2018 at 10:45pm

THANKS
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: September-24-2018 at 10:59am
After 10 years of owning my GT-40 this year I found the easiest way to winterize it... I sold it
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 63 Skier Quote  Post ReplyReply Direct Link To This Post Posted: September-24-2018 at 11:08am
Originally posted by gun-driver gun-driver wrote:

After 10 years of owning my GT-40 this year I found the easiest way to winterize it... I sold it

That should work! I hope for the sake of the next owner you fogged the distributor and drained the spark plugs before you sold it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: September-24-2018 at 6:28pm
Originally posted by gun-driver gun-driver wrote:

After 10 years of owning my GT-40 this year I found the easiest way to winterize it... I sold it


It might be worth your time to check with CQ to see if you can get your tool box deposit back...... unless your still using it that is
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: September-24-2018 at 7:24pm
He told me I have to personally pick up my deposit. When I asked why I had to be there in person told me to ask you.
Then he went on and on about how you stop in all the time and use some song and dance about how you need to inventory his box and blah, blah, blah. So I guess I’ll just leave it between you two.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 359 Quote  Post ReplyReply Direct Link To This Post Posted: September-27-2018 at 4:20pm
Originally posted by SNobsessed SNobsessed wrote:

Drain all 5 plugs & refill with antifreeze (pour into T stat hose) is a good method. No special hoses involved.
Five plugs? I wonder which one I missed. I drained both exhaust manifolds, then both sides of the block, and finally emptied the strainer. Then I took the hose off the raw water inlet, and stuck it in a bucket with five gallons marine\rv antifreeze and ran the bucket dry. I'm guessing it will be okay?

Outboards are simple, you just pull them out and drain the lower unit.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camron18 Quote  Post ReplyReply Direct Link To This Post Posted: September-27-2018 at 4:27pm
you missed the j-tube on the front of the engine, near the water pump
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: September-27-2018 at 4:29pm
Matt,
You missed the plug on the J tube. on the forward end of the engine. With the 5 gals. you got into the engine, you should be good however, there are no guarantees. Since you missed the plug and then pumped, sounds like you don't have an engine manual. Check out the manuals in the reference section.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote camron18 Quote  Post ReplyReply Direct Link To This Post Posted: September-27-2018 at 4:29pm
but id say you will be okay, just slightly less concentrated AF
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 359 Quote  Post ReplyReply Direct Link To This Post Posted: September-27-2018 at 5:32pm
Ok thanks, I figured I probably would be ok. I use the same stuff in my camper without blowing out the lines first, and that comes out ok.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DVskier Quote  Post ReplyReply Direct Link To This Post Posted: September-27-2018 at 7:09pm
Also don't forget to take the hose off the transmission cooler.
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