interesting way to change transmission fluid

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Old 03 Feb 2006, 01:33 pm   #1 (permalink)
onehappymadman@yahoo.com
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Default interesting way to change transmission fluid

What do y'all think of this method? Is this as thorough as draining
the tranny pan?

>From http://www.allpar.com/eek/atf.html



Another system for changing automatic transmission fluid
James Dement provided the following:

Here is a simple way to change the transmission fluid in your Chrysler
that doesn't even require you to crawl under the vehicle.

I learned that I can use about 6 or 8 ft. of clear vinyl tubing -
probably only 1/8" or 3/16" ID. The type of low cost tubing you can get
at your local home improvement or hardware store. What I've been using
is actually the leftover home oxygen supply line from my late Aunt who
had to use oxygen in her last year. She left us an abundant supply of
this tubing. As for her nice Chrysler - darn it, that is another
story......

I stick the clean tubing all the way down into the dip stick opening
until it clearly is on bottom. Then I start a siphon by sucking on the
tubing. You can easily see the reddish colored fluid moving up the
tubing and towards you. When the fluid gets a few inches from the end
you simply place the end into your container and the siphon action will
do the rest.

I've done this on my Grand Caravan (A604) twice now and a relative's
Dodge Shadow. If you are a reader of this site you already know which
fluid you should be using - so pay the extra $1 per quart and use it.

Last year I got 4 qrts. out before the fluid stopped flowing. This year
I got out 6+ quarts of fluid in total. I think I could have gotten more
if I'd wanted to. Of course this method doesn't address the filter
inside the pan. Next time I will do the traditional change and replace
the filter as well. But for those of us who have been through the
rebuilding process once (or twice) and have started to change our fluid
more often, this is a convenient way to change the fluid without
getting under the vehicle.

It will take all night and maybe a full 24 hrs. It is sort of like
watching grass grow so don't waste time watching just check on it a
couple of times during the day to make sure it is still flowing. When
it stops you can easily tell from looking at the clear tubing. If the
siphon stops after 3 or 4 quarts, I've found if you reposition the
tubing and start again you may get another quart or two. Also, don't
let the container you're going into with the old fluid get too high or
the siphon could slow.

Try this if you've been putting off changing that transmission fluid.
It takes only a few dollars of tubing, little time to start and only a
few minutes of clean up. Do take that old fluid to a recycle center for
proper disposal.

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Old 03 Feb 2006, 04:29 pm   #2 (permalink)
onehappymadman@yahoo.com
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Default Re: interesting way to change transmission fluid


onehappymadman@yahoo.com wrote:
> What do y'all think of this method? Is this as thorough as draining
> the tranny pan?
>
> >From http://www.allpar.com/eek/atf.html

>
>
> Another system for changing automatic transmission fluid
> James Dement provided the following:
>
> Here is a simple way to change the transmission fluid in your Chrysler
> that doesn't even require you to crawl under the vehicle.
>
> I learned that I can use about 6 or 8 ft. of clear vinyl tubing -
> probably only 1/8" or 3/16" ID. The type of low cost tubing you can get
> at your local home improvement or hardware store. What I've been using
> is actually the leftover home oxygen supply line from my late Aunt who
> had to use oxygen in her last year. She left us an abundant supply of
> this tubing. As for her nice Chrysler - darn it, that is another
> story......
>
> I stick the clean tubing all the way down into the dip stick opening
> until it clearly is on bottom. Then I start a siphon by sucking on the
> tubing. You can easily see the reddish colored fluid moving up the
> tubing and towards you. When the fluid gets a few inches from the end
> you simply place the end into your container and the siphon action will
> do the rest.


....

I think I might give this a shot, next time I change my engine oil.
I've got a small 12VDC windshield fluid pump I bought for a project a
few years ago... maybe I can use that to suck on the 1/8" vinyl tubing
line, to reduce the wait. I'll have to run over to Wal-Mart and get
some 1/8" fish tank air line.

My Haynes says there's only about 2.6 qt. of tranny oil in the
4-cylinder 96 camry. Any thoughts on hazards of doing this? Tranny
fluid changeout should be done with the car off, but with the engine
warm, right? (This wouldn't melt my vinyl tubing, would it?) Then,
when re-filling with Dexron-II, start the engine and move the gearshift
lever slowly all the way to "L", right?

It's only been about 22,000 miles since I had the tranny oil flushed
(at a Brake Masters shop), but hey, I'm trying to learn more as I go.

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Old 03 Feb 2006, 04:45 pm   #3 (permalink)
m Ransley
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Default Re: interesting way to change transmission fluid

There is a reason there are magnets and filters in the bottom of a
trans, can you hacks, guys figure it out.

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Old 03 Feb 2006, 05:07 pm   #4 (permalink)
onehappymadman@yahoo.com
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Default Re: interesting way to change transmission fluid


m Ransley wrote:
> There is a reason there are magnets and filters in the bottom of a
> trans, can you hacks, guys figure it out.



Yes, and I'd hope the magnets do their job while the car is running...

For a quick flush/change, is the above method not recommended?

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Old 03 Feb 2006, 05:31 pm   #5 (permalink)
qslim
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Default Re: interesting way to change transmission fluid

<<<<<<There is a reason there are magnets and filters in the bottom of a
trans, can you hacks, guys figure it out.>>>>>


Huh? What are you trying to say? That statement doesn't make sense.

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Old 03 Feb 2006, 05:41 pm   #6 (permalink)
qslim
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Default Re: interesting way to change transmission fluid

I don't know if this is the best way to change trans fluid, madman.
Siphoning engine oil is one thing, but the major difference here is that
an oil pan has nothing but oil in it, but a transmission pan has the valve
body, wire connectors, and a filter. I don't know that a tube of any
appreciable diameter will be able to get to the bottom of the pan through
the dipstick tube. Some transmission dipsticks don't even go into the pan,
the pan is so shallow and filled with the valve body etc, that the measured
fluid is actually inside the tube itself.
Anyway, I would go with the standard drain on this one. That also gives
you the opportunity to clean the filter and magnets. Then while you have
the pan off try seeing where the dipstick comes into the valve body, see
if you have enough room for that tube next time. Just my opinion, and
kudos for getting into stuff on your own, too.

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Old 03 Feb 2006, 09:32 pm   #7 (permalink)
aiuser
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Default Re: interesting way to change transmission fluid

I've started changing transmission oil myself instead of going to the
dealer. I've only drained the oil from the bottom of the pan without
removing the filter to clean it. I've decided to double the frequency
of changing the transmission oil to compensate for cleaning the filter.
Does any body think there is problem with this?

Thanks

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Old 04 Feb 2006, 05:09 am   #8 (permalink)
Bob H
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Default Re: interesting way to change transmission fluid


"aiuser" <tsiu2k@yahoo.ca> wrote in message
news:1139023927.342899.217520@g43g2000cwa.googlegr oups.com...
> I've started changing transmission oil myself instead of going to the
> dealer. I've only drained the oil from the bottom of the pan without
> removing the filter to clean it. I've decided to double the frequency
> of changing the transmission oil to compensate for cleaning the filter.
> Does any body think there is problem with this?
>
> Thanks


If your tranny is in good shape then it should keep working for you just
fine. Most "filters" are just screen anyway - if you know what yours is you
can figure out if it needs changing. I say let the screen sit there - they
generally will pass a bowling ball anyway.


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Old 04 Feb 2006, 07:49 am   #9 (permalink)
m Ransley
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Default Re: interesting way to change transmission fluid

Draining the pan from the plug on the pan is a 5 minute job, you dont
even need to lift the car up at all. I do this every 10-15000m. The
filter is not cleanable you must replace it as it traps comtaminents
inside it, that should be done at the recomended interval as well with
cleaning the magnets and the pan itself. An example, on several 10f
mornings my car would not go into reverse , knowing my fluid was only
5000 old, and filter 20000, I hesitated but had no other choise but to
get the pan dropped and put in a new filter. Well the filter was clean,
but new oil and filter fixed the issue and that was 4 years ago. Point
is any contamination, even unseen, can disrupt oilflow. Siphoning never
gets Bottom of pan sludge, do it right or excessive wear particles can
mess it up bad.

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Old 04 Feb 2006, 02:21 pm   #10 (permalink)
aiuser
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Default Re: interesting way to change transmission fluid


m Ransley wrote:
> Draining the pan from the plug on the pan is a 5 minute job, you dont
> even need to lift the car up at all. I do this every 10-15000m. The
> filter is not cleanable you must replace it as it traps comtaminents
> inside it, that should be done at the recomended interval as well with
> cleaning the magnets and the pan itself. An example, on several 10f
> mornings my car would not go into reverse , knowing my fluid was only
> 5000 old, and filter 20000, I hesitated but had no other choise but to
> get the pan dropped and put in a new filter. Well the filter was clean,
> but new oil and filter fixed the issue and that was 4 years ago. Point
> is any contamination, even unseen, can disrupt oilflow. Siphoning never
> gets Bottom of pan sludge, do it right or excessive wear particles can
> mess it up bad.


I've called Toyota service, the guy said there is no filter to clean,
they just replace the transmission fluid. Is this correct? Also, do
you need to change the differential fluid at the same time as the
transmission fluid? By the way, mine is a 2000 Camry V6.

Thanks.

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