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Transmission fluid change

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=24115
Printed Date: November-19-2024 at 11:28am


Topic: Transmission fluid change
Posted By: cragginshred
Subject: Transmission fluid change
Date Posted: November-11-2011 at 10:56pm
The manual for my 95 GT 40 does not say weather there is a tranny filter?? Also where is the drain? It says you are supposed to fill it back up at the lake while level on the water. This seems problematic, can someone walk me through the steps to do this for this motor. Can i wait till spring?



Replies:
Posted By: 8122pbrainard
Date Posted: November-12-2011 at 9:02am
No filter and you suck the old fluid out. There are several threads on how to do it. Use the search feature and you'll find them.

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64 X55 Dunphy

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<


Posted By: LaurelLakeSkier
Date Posted: November-12-2011 at 10:36am
It would be worth at least checking the trans fluid now. You don't list where you are from but if you have weather that gets cold enough to freeze and there should happen to be any water mixed in with the trans fluid, the expansion from freezing could cause damage. You'll know there is water in the fluid if it doesn't have the clear red color but rather looks like a strawberry shake.

If you want to do the change now, go ahead and replace the fluid using roughly the same amount that you pulled out. When spring rolls around and you have the boat back in the water, check the level on your first outing. Top off if needed.

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The world is full of youth—what we need is a fountain of smart!


Posted By: cragginshred
Date Posted: November-12-2011 at 6:27pm
So Nappa has a hand pump for 23$, what is the method for making certain you add back what you took out? Nothing came up in the several searches I did. Also my manual says Dexron or Dexron II, what is the preferred type??


Posted By: 8122pbrainard
Date Posted: November-12-2011 at 9:50pm
Don,
Hmm! I just did a "quick" search not even going into the detail search and 46 threads came up!

The pump that most use, is one of the vacuum extractor type. It's the same one used to suck your oil if you do not use the drain hose out the bottom of the boat

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64 X55 Dunphy

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<


Posted By: SN206
Date Posted: November-12-2011 at 11:04pm
Hey Pete, while we are on the subject what are you thoughts on pumping out oil vs. draining through the tube?

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...those who have fallen and those who will.


Posted By: 8122pbrainard
Date Posted: November-13-2011 at 8:44am
Originally posted by SN206 SN206 wrote:

Hey Pete, while we are on the subject what are you thoughts on pumping out oil vs. draining through the tube?

Ryan,
I use the vacuum extractor on all the boats since I typically do it in a wet slip boat house. My Tique is the only boat that has the drain hose anyway. I tried it when I first got the boat and found it just as easy to use the extractor.

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<


Posted By: LaurelLakeSkier
Date Posted: November-13-2011 at 8:44am
Originally posted by cragginshred cragginshred wrote:

So Nappa has a hand pump for 23$, what is the method for making certain you add back what you took out? Nothing came up in the several searches I did. Also my manual says Dexron or Dexron II, what is the preferred type??

You should be able to get a suction gun like this for about $10....not sure if that's what you were looking at in NAPA.


Another type, with more uses (but with a higher price tag of about $50 more) is a vacuum pump like this.



Once you draw the fluid out, it is a simple matter of measuring....see how much goes back into old quart oil bottles or something like that.
In most cases you'll find Dexron III now which will "meet or exceed the requirements" of the older versions. Most everyone uses Dexron III.

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The world is full of youth—what we need is a fountain of smart!


Posted By: BuffaloBFN
Date Posted: November-13-2011 at 12:48pm
Didn't Eric say to top it off for winter storage? And fill to the top line for use?

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Posted By: eric lavine
Date Posted: November-13-2011 at 1:41pm
if your anal, fill it to the top, as much oil as you can get in there for winter storage, fire it in the spring and suck it out, you can actually see the oil line in the Borg Warners from winter lay-up, cant in the pcm's because of the aluminum case. the case wil condensate and rust...plus the oil will keep the top half of the rubber seals pliable. i have no history if doing this affects longevity, but it sure does'nt hurt anything. plus it does make you change the oil everyspring on the transmission

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"the things you own will start to own you"


Posted By: Bri892001
Date Posted: November-14-2011 at 2:13pm
For the method of putting the same amount back in that you take out:

1.)Acquire two identical, empty and clean, clear containers. I used two empty windshield washer fluid bottles.

2.) Put all of the old fluid you've extracted into one of them.

3.) Put the container with old fluid next to your empty one on a level table.

4.) Use new tranny fluid to fill your empty one to the same level as the one containing the old fluid.

5.) Get a suitable (long and skinny) funnel and pour your new fluid into the tranny.


Posted By: Morfoot
Date Posted: November-14-2011 at 4:04pm
Originally posted by eric lavine eric lavine wrote:

if your anal, fill it to the top, as much oil as you can get in there for winter storage, fire it in the spring and suck it out, you can actually see the oil line in the Borg Warners from winter lay-up, cant in the pcm's because of the aluminum case. the case wil condensate and rust...plus the oil will keep the top half of the rubber seals pliable. i have no history if doing this affects longevity, but it sure does'nt hurt anything. plus it does make you change the oil everyspring on the transmission



Hmmmm that's a new one. I never heard Eric mention this before. I musta missed it somewhere. Makes since to me as we do the same with the fuel tanks to keep moisture down. Greg is this a normal winterization method you use for 'the pumpkin patch' even though our boats aren't down as quite as long as our northern bretheren'?


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"Morfoot; He can ski. He can wakeboard.He can cook chicken.He can create his own self-named beverage, & can also apparently fly. A man of many talents."72 Mustang "Kermit",88 SN Miss Scarlett, 99 SN "Sherman"


Posted By: Donald80SN
Date Posted: November-14-2011 at 5:12pm
Hello,

I use a Turkey Baster that I picked up at a Flee Market for $3.00. You can go to Walmart / Target (etc.) and get a plastic Turkey Baster to draw the fluid out of the trans. My trans holds a little under one quart.

I hope this helps,

Donald


Posted By: cragginshred
Date Posted: November-16-2011 at 3:37am
Great info! What is the verdict on the transmission fluid to put in? Dexron III???


Posted By: eric lavine
Date Posted: November-16-2011 at 10:00am
anythin compatible with dexron/mercon

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"the things you own will start to own you"


Posted By: TRBenj
Date Posted: November-16-2011 at 10:48am
Originally posted by eric lavine eric lavine wrote:

anythin compatible with dexron/mercon

And yes, Dex III fits this description.

Do NOT use synthetic. Avoid high mileage formulations as well.

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Posted By: Keuka
Date Posted: November-17-2011 at 1:57am
I have read on some earlier post that when changing fluid to the Dex/Mercon fluids to do 2 or 3 fluid changes to be sure that your are flushing all the old fluid out. This is on my list of things to do in the spring. Should I be running the boat much between these fluid changes or just a quick lap warm it up?

David

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86 Martinique


Posted By: eric lavine
Date Posted: November-17-2011 at 9:26am
lets put it this way, the warmer the oil the quicker it comes out, and it suspends contamination also, if you are switching from 20w or have water in there, its a pretty good idea to flush it 3 times, shifting in and out of gear to clear or bleed the clutch packs. and then check the alignment

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"the things you own will start to own you"


Posted By: cragginshred
Date Posted: November-19-2011 at 8:50pm
So I got a suction type pump and put it in the dip stick opening and after about 50x I gave up as nothing came out but air. I did make sure the container was lower to help too It is roughly the same size as the hole - a little smaller and goes in only about 3",...what am i missing?


Posted By: lewy2001
Date Posted: November-20-2011 at 8:26am
Don you need to get the tubing right to the bottom of the case otherwise it will just suck air. Try and use a rigid tube some have used copper but I used a poly type rigid hydraulic hose.



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Posted By: Bri892001
Date Posted: November-20-2011 at 1:56pm
The pump I used had one hose of much smaller diameter than the other. The smaller one was the one I used. I had to poke around a bit to find the bottom.


Posted By: cragginshred
Date Posted: November-20-2011 at 3:11pm
Thanks fells! Actually the pump came with a smaller hose that fits in the bigger it should work.


Posted By: cragginshred
Date Posted: November-20-2011 at 3:24pm
I had this shed built a year a go for wood storage, the right side worked perfectly for the boat I never thought I would have room to own! this is where is will stay for the winter. It has an excellent cover and it is under the roof to the windshield.



Posted By: cragginshred
Date Posted: November-21-2011 at 1:53am
no luck with the crappy pump i got from auto zone. I got the smaller hose deep but pulled next to nothing out. I need to find a better pump. bri892001 where dd you get yours??


Posted By: 8122pbrainard
Date Posted: November-21-2011 at 9:31am
Originally posted by cragginshred cragginshred wrote:

the crappy pump i got from auto zone.

Even walking in the door of a Autozone is a mistake! Sorry but you need to find a better auto supply.

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<


Posted By: cragginshred
Date Posted: November-21-2011 at 12:09pm
I live in the foothills of Ca. and there are not that many choices , but Nappa will be the next choice!


Posted By: Bri892001
Date Posted: November-21-2011 at 12:31pm
I got mine at a local West Marine. They're pricey but tend to have everything.

I grapped that photo off of the NautiqueParts.com website. They have it as well and probably beat West Marine on initial price before shipping.


Posted By: jimsport93
Date Posted: November-21-2011 at 2:22pm
Don, I use the long, skinny hand pump off a tall bottle of hair shampoo. The tube is skinny enough to get down into the fill hole of the tranny. I just pump it out into a jar and measure it to make sure I got it all out. Cheap and works well.

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