How to drain a 9"
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Junior User
Joined: Nov 2004
Posts: 75
Likes: 0
From: PDX, OR
How to drain a 9"
Well i bought the gasket, and the fluid, but when i set down to change the fluid in my 9" rear i was at a loss as to exactly how to drain it. Do i have to undo the bolts and break the gasket seal? Or is there some other unseen way? There is no drain plug, simply a fill. I looked at it wouldnt be very easy to suck it dry.
Thanks for the advice in advance.
Nick
Thanks for the advice in advance.
Nick
Postmaster
Joined: Jun 2003
Posts: 4,191
Likes: 0
From: WA
You can drill a drain hole, tap it and plug it. The rush of oil will keep shavings from getting in the pumpkin. How to keep your drill clean though remains a mystery to me.
I like the idea of tipping the truck on its side though..
I like the idea of tipping the truck on its side though..
Cargo Master
Joined: Dec 2004
Posts: 2,232
Likes: 3
From: NE Texas
It only needs changing at about 100,000 mile intervals. If you are at that point, I agree with Torque1st in that it's not a bad idea to just pull the axles, drop the pumpkin and inspect everything.
That said, unless you're pulling a 15,000 pound trailer all the time, forget and leave a 4X4 in 4WD on the pavement, or drag racing, that thing will probably go 500,000 miles as long as no lubricant leaks out. If it does, then there is a leak that you need to tend to anyway. In that case it's time to pull it apart.
Good luck,
Doc
That said, unless you're pulling a 15,000 pound trailer all the time, forget and leave a 4X4 in 4WD on the pavement, or drag racing, that thing will probably go 500,000 miles as long as no lubricant leaks out. If it does, then there is a leak that you need to tend to anyway. In that case it's time to pull it apart.
Good luck,
Doc
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Elder User
Joined: Feb 2004
Posts: 787
Likes: 1
From: Stephenville, TX
Mine has a drain plug that was put into the bottom of it about 15 years ago. Sure made it alot easier to drain.
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Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Who says we were kidding??? 
I have drilled and tapped housings before but being a machinist I had the tools and skills to do so. Always use a magnetic drain plug even if you have to make your own.
Have any of you guys ever figured out how many hours of operation 100,000 miles is? You might be surprised at how few that number might be. Then compare that number to industrial machinery operating 24/7.
I have drilled and tapped housings before but being a machinist I had the tools and skills to do so. Always use a magnetic drain plug even if you have to make your own.
Have any of you guys ever figured out how many hours of operation 100,000 miles is? You might be surprised at how few that number might be. Then compare that number to industrial machinery operating 24/7.
Fleet Mechanic
Joined: Mar 2004
Posts: 1,398
Likes: 17
From: Hesperia, CA
To Torque1st, I change my rear end (lube) every 50k, I pull a 5th wheel that is pretty heavy and don't want to take any chances. It isn't very expensive to change and isn't a lot of work if you dont mind getting a little dirty.
I did put a drain plug in the tranny and an external cooler & filter and change the fluid every 25k. The tranny fluid gets pretty cruddy even with all of the filtering and cooling that it goes through. I thought about putting a drain plug in the rear end, but never got around to it.
I appreciate all that you guy's do to keep this website going. Gary
I did put a drain plug in the tranny and an external cooler & filter and change the fluid every 25k. The tranny fluid gets pretty cruddy even with all of the filtering and cooling that it goes through. I thought about putting a drain plug in the rear end, but never got around to it.
I appreciate all that you guy's do to keep this website going. Gary
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Thanks!
That tranny fluid filter and cooler is a great thing to do. What type of filter did you use? The regular transmission filter is totally inadequate for the application. Some transmissions only have a crude screen.
The drain plug is easy to put in if you have some metalworking skills.
That tranny fluid filter and cooler is a great thing to do. What type of filter did you use? The regular transmission filter is totally inadequate for the application. Some transmissions only have a crude screen.
The drain plug is easy to put in if you have some metalworking skills.
New User
Joined: Jan 2008
Posts: 0
Likes: 24
I love this thread, you guy's are a bunch of comedians. I pitty the poor fool that takes you seriously.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Eric, He meant the tipping the truck over part as being the comedic part.
In the meantime, that's exactly how I drained an axle once.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Eric, He meant the tipping the truck over part as being the comedic part.
In the meantime, that's exactly how I drained an axle once.
Freshman User
Joined: Jan 2005
Posts: 31
Likes: 0
pull fill plug out and buy a pump or find some vacume line and put it on momma's turkey baster and suck it out. just make sure you dont leave it around where she can see it. I was in the dog house for awhile on that one.
Senior User
Joined: Jul 2004
Posts: 116
Likes: 0
From: Corpus Christi,Tx.
turkey baster fun
Yummy !! I can just tast that 90 weight now . 
I know what I'm basting my turkey with next thanksgiving... if I can wait that long!
(maybe I'll put the baster out in the garage for the wife to find just for fun(a little masocistic, but fun).
I know what I'm basting my turkey with next thanksgiving... if I can wait that long!
(maybe I'll put the baster out in the garage for the wife to find just for fun(a little masocistic, but fun).