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Offline BobbyB

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Pump
« on: October 25, 2014, 08:16:06 AM »
I'm currently doing a 2x a month drain and fill on the transmission on XJ to eventually swap out all 12-14 qts of fluid. While laying under it, and watching the fluid drain out, I had a thought of a pump. I don't want to take XJ to the dealership or a lube place to have them use their pump and charge way to much, so how hard would it be to make my own?

My thoughts were since you can order ,most if not all, fluids necessary for your vehicle in bulk, it should be relatively easy. Acquire a 5 gallon bucket, mark it off in quarts, drop in the tube which is hooked to a pump and it should push the new fluid in, while pushing the old crap out.

So what kind of pump and how big, where to source it? If I can get what I need, I will give this a shot. If it's a losing battle, and just as effective to do a drain and fill, repeat then filter swap, then that's what I'll do. Just an idea.
« Last Edit: October 25, 2014, 09:57:08 AM by BobbyB »
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

Offline Flyin6

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Re: Pump
« Reply #1 on: October 25, 2014, 09:36:55 AM »
Bobby,
Some information needed here
But first, are you changing fluid on your transmission every 2 months? Or am I reading that wrong?
Now I am assuming you are looking at recirculating the fluid in the unit, or just pumping it free of as much fluid as you can, then recharging, or???

I've never seen anyone need to change trans fluid as much. For a vehicle in severe usage, I'd be pulling fluids and testing with Willie or similar knowledgeable lubrication specialist. But those fluid changes are only needed about every 20K

When I was crewing M-60A1/A3 tanks back in the day long before I sprouted wings, when I wore those big yellow stripes running all up and down like. back then we didn't change fluids that often in the transmissions. I want to say we were running SAE 10 wt motor oil and changing it annually, I think.

Just no need to increase the duty cycle, and I don't know anything that is more of a severe use and abuse on a transmission than pushing around 50-60 tons of main battle tank...
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Offline BobbyB

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Re: Pump
« Reply #2 on: October 25, 2014, 09:51:57 AM »
Bobby,
Some information needed here
But first, are you changing fluid on your transmission every 2 months? Or am I reading that wrong?
Now I am assuming you are looking at recirculating the fluid in the unit, or just pumping it free of as much fluid as you can, then recharging, or???

I've never seen anyone need to change trans fluid as much. For a vehicle in severe usage, I'd be pulling fluids and testing with Willie or similar knowledgeable lubrication specialist. But those fluid changes are only needed about every 20K

When I was crewing M-60A1/A3 tanks back in the day long before I sprouted wings, when I wore those big yellow stripes running all up and down like. back then we didn't change fluids that often in the transmissions. I want to say we were running SAE 10 wt motor oil and changing it annually, I think.

Just no need to increase the duty cycle, and I don't know anything that is more of a severe use and abuse on a transmission than pushing around 50-60 tons of main battle tank...

Every 2 weeks, I'm draining 3 qts from the trans pan, and re-filling, until I reach 12 qts (which is XJs total amount) from the trans/torque converter. I doubt the previous owner and his dad (who owns a lube shop) ever changed it, and I'm at 209,xxx. I don't want to pay a dealership or lube shop beaucoup money to flush out the old and add new. That's why I'm trying to work up an idea for a pump to do it all myself in one swoop instead of drain and fills until I cycle all the old out gradually.

In hindsight after, re-reading my post, I probably should I read and clarified, but I was typing as the ideas and thoughts popped into my head.
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

Offline KensAuto

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Re: Pump
« Reply #3 on: October 25, 2014, 02:19:24 PM »
It would be easier to use the pump that's in the trans, officially known as the "hoot" method. Take the lines off of the radiator, put hoses on them, put one in an empty bucket (the pressure/outlet!...usually the lower one on the radiator), the other in a bucket full of new fluid. Not only does this way get all of the old fluid out, it gently flushes it.
Other option would be to just put the outlet in a bucket, start it, let run a couple-to-a-few seconds, add same amount of new thru dipstick, and repeat. First way is better so you won't run the pump dry.
...and then there's the most common way. Drop the pan and filter so you get the most fluid out, and go every 30k with a drain and refill, and every other time do the filter/pan drop. This is the way I do it because usually I see people going 80k+ before they bring it in for service. If I were to flush those cars, putting that much new trans fluid in all at once (think very high detergent) it could potentially cause issues (that I of course would be blamed for), breaking down varnish and build up in solenoids, valves and whatever else.
« Last Edit: October 25, 2014, 02:25:34 PM by KensAuto »
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Offline BobbyB

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Re: Pump
« Reply #4 on: October 25, 2014, 02:24:18 PM »
It would be easier to use the pump that's in the trans, officially known as the "hoot" method. Take the lines off of the radiator, put hoses on them, put one in an empty bucket (the pressure/outlet!...usually the lower one on the radiator), the other in a bucket full of new fluid. Not only does this way get all of the old fluid out, it gently flushes it.
Other option would be to just put the outlet in a bucket, start it, let run a couple-to-a-few seconds, add same amount of new thru dipstick, and repeat. First way is better so you won't run the pump dry.

No trans cooler on the XJ. I thought of that, but when I went to look before I started the process.. nothin. No tow package for me! lol
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

Offline KensAuto

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Re: Pump
« Reply #5 on: October 25, 2014, 02:26:29 PM »
You still have a cooler in the radiator Bobby. I edited my post up there also.
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Offline BobbyB

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Re: Pump
« Reply #6 on: October 25, 2014, 04:53:42 PM »
You still have a cooler in the radiator Bobby. I edited my post up there also.

Got it. I read it fast, I'm at work until 1900 so I speed read posts. I'll probably just roll with my drain and fills until it's all swapped then swap the filter and top it off and call it good. All the other fluids are taken care off, just the trans and some wear items to take care of..
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

Offline Flyin6

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Re: Pump
« Reply #7 on: October 26, 2014, 09:28:17 AM »
Hey Bobby,
I don't like your plan much.
I started to do the math real quick with your plan and I was coming up with a significant percentage of bad oil still in the trans when you were done.

As for cost, I don't think there is an economical way of doing this. I think you just bite the bullet and get it flushed properly.

How much is a trans rebuild anyway???

Of course, you could just watch my build thread this week, as I am going to try to rebuild my transmission this coming week, and yours will be somewhat similar...

When I was about your age, I rebuilt my 727 transmission out of my Dodge Demon 340 in Illeshiem, Germany. Had a guy from the Irish Republican Army helping me. What a motley crew...an American, and Irishman and some other do0gooders in Germany working on an American Hotrod...
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Offline BobbyB

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Re: Pump
« Reply #8 on: October 26, 2014, 01:38:31 PM »
As for cost, I don't think there is an economical way of doing this. I think you just bite the bullet and get it flushed properly.

Yea, I started to look in that direction. Just get it over with before the snow and crap starts. Oh well. Maybe I'll put my ideas towards something else.
So, Bobby...being the calculating trained warrior NCO that you are.  Take the appropriate action, Execute!
your standard grunt level CQB is just putting rounds and rounds on scary stuff till it stops scaring you!

Offline JR

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Re: Pump
« Reply #9 on: October 26, 2014, 02:27:11 PM »
Guys, get a boat oil change pump to remove the oil,,,,,,,,,,,,,,,,,

They are mostly a big hand pump but they make electrics too. FOr adding oil, lots of pump on bucket choices out there.

Oh, who the AMS Oil guy here? I need a couple bypass filters and don't feel like joining the club every other year to get a few filters.
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Offline Flyin6

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Re: Pump
« Reply #10 on: October 26, 2014, 02:37:04 PM »
Guys, get a boat oil change pump to remove the oil,,,,,,,,,,,,,,,,,

They are mostly a big hand pump but they make electrics too. FOr adding oil, lots of pump on bucket choices out there.

Oh, who the AMS Oil guy here? I need a couple bypass filters and don't feel like joining the club every other year to get a few filters.

That would be Willie i.e. MrManners
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