How to change transmission fluid ?
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=15613
Printed Date: November-18-2024 at 2:24am
Topic: How to change transmission fluid ?
Posted By: damonwells
Subject: How to change transmission fluid ?
Date Posted: October-16-2009 at 11:39pm
1990 SN FORD / PCM 351
Can someone walk me through best way to change transmission fluid, any tips would be cool. Looking at the Manual, I think I got it. My Cooler is mounted vertically, there is a hose that goes from an elbow fitting on the bottom of the Cooler to the top of the tranny. There is another hose with elbow fitting that goes from the top of the Çooler to the tranny, a couple inches below the dipstick plug, but, it doesn't appear this hose & fitting on tranny side is at the "very bottom" of the transmission to drain all the fluid out ... perhaps it is.
I suspect I remove the oil cooler hose from the top elbow fitting on the Cooler, set this into a receptacle, pull the dipstick plug and drop the hose below the transmission to drain.
My strainer screen is clean.
Should the engine be brought to normal temp before doing this ? I have Dex/Merc to re-fill, will pour this into transmission via the dipstick plug. I'm assuming about 1.5 qts. I will do a final check of the fluid level once boat is back in water.
Also assuming this the preferred method than pumping from the dipstick plug with a 12v fuel pump type of arrangement ?
Thanks so much, cheers, John
Tried the Search ... found nothing.
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Replies:
Posted By: WakeSlayer
Date Posted: October-17-2009 at 12:39am
I would just use a suction gun or the pump. I have heard the drain plugs are terrible to get out. i believe you want to do this cold as there will be more fluid in the trans versus warm when there will be a bit more in the lines and cooler.
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Mike N
1968 Mustang
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Posted By: Gary S
Date Posted: October-17-2009 at 12:55am
Everytime I have tried to change mine I made a mess, it always ends up in the bilge. I got one of these http://www.mityvac.com/hq_images/07400.jpg - mity vac for other reasons and it works great. I also hook it up to my oil pan drain hose, drain differentials etc.
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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport
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Posted By: SNobsessed
Date Posted: October-17-2009 at 2:01am
You can get a push-pump from the hardware store (or a beauty supply if you are so inclined), sized for a gallon jug. It cost $2. I just put a small tube on it for pickup & another hose on the spigot. Pumped the ATF into a half gallon jug tucked in the bilge, didn't spill more than a few drops.
Last year I used a turkey baster (no not the one from the kitchen). It took forever & I didn't get half of it out.
PS - The push-pump was someone else's idea from last year, just passing it along.
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin
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Posted By: eric lavine
Date Posted: October-17-2009 at 10:54am
my vote is to suck it out, i use a mity-vac
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"the things you own will start to own you"
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Posted By: Bigcity
Date Posted: October-19-2009 at 9:15pm
Just did mine yesterday as part of winterize/tune-up on my 94. Used hand siphon pump $60 marine store removed approximately 1.5 quarts and replaced with Dex III. Just pump a handfull of times and the pump did the rest no mess.
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BIGCITY
/diaries/details.asp?ID=2564 - My Baby !!
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Posted By: JAG459
Date Posted: October-19-2009 at 10:35pm
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I bought a small electric oil pump on ebay and it was the best investment I ever made.
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Posted By: LaurelLakeSkier
Date Posted: October-20-2009 at 1:11am
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Another vote for the vacuum pump.....they come in handy for a lot of jobs once you have one.
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