Author Topic: Transmission Flush  (Read 1717 times)

Offline sluggish

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Re: Transmission Flush
« Reply #15 on: February 12, 2009, 08:18:35 AM »
Manual transmissions use gear lube, not trans fluid. Trans fluid is more closely related to brake fluid than oil.  It is, in fact, a modified version of hydrolic fluid.
« Last Edit: February 12, 2009, 08:24:17 AM by sluggish »

Offline CAP1

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Re: Transmission Flush
« Reply #16 on: February 12, 2009, 08:22:57 AM »
Qualify this statement.  I've changed my trans fluid and filter many times.  When they "flush" the system and suck the old fluid through the dipstick, they don't even change the filter.  Dropping the pan, changing the filter and replacing the fluid is better and IS something you can do in your driveway and costs around $40.

my understanding of the statement i referenced, it was being said that he could flush his transmission himself for $40.00. that you can't do.

 when we flush a transmission, we don't just suck the old stuff out through the dipstick either. that is only the same as dropping the pan, as it will only get the 4 or 5 quarts that're in the pan.

 in my previous post i explained the difference.  :aok
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Offline sluggish

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Re: Transmission Flush
« Reply #17 on: February 12, 2009, 08:26:06 AM »
my understanding of the statement i referenced, it was being said that he could flush his transmission himself for $40.00. that you can't do.

 when we flush a transmission, we don't just suck the old stuff out through the dipstick either. that is only the same as dropping the pan, as it will only get the 4 or 5 quarts that're in the pan.

 in my previous post i explained the difference.  :aok

Yeah I see that now, you're right.  I hadn't read your other post.  I thought you were saying dropping the pan and changing the filter is something the common person shouldn't try.  And the boneheads at jiffylube call sucking the old fluid through the dipstick a "flush".  How's that for truth in advertising?

 :aok
« Last Edit: February 12, 2009, 08:29:15 AM by sluggish »

Offline uptown

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Re: Transmission Flush
« Reply #18 on: February 12, 2009, 08:28:20 AM »
no, actually, he can't.

read up on it before you stick your foot in your mouth.  :aok


Excuse me? I've rebuilt many, many transmissions, transaxles and tranfer cases over the years and I know damned well what a case of tranny fluid, filter and gasket cost. As a matter of fact smart guy, I don't even buy the gaskets anymore as I make them myself. I don't need to "read up" on jack squat! :furious


And another thing, NAPA sucks!
« Last Edit: February 12, 2009, 08:33:05 AM by uptown »
Lighten up Francis

Offline CAP1

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Re: Transmission Flush
« Reply #19 on: February 12, 2009, 08:37:02 AM »


Excuse me? I've rebuilt many, many transmissions, transaxles and tranfer cases over the years and I know damned well what a case of tranny fluid, filter and gasket cost. As a matter of fact smart guy, I don't even buy the gaskets anymore as I make them myself. I don't need to "read up" on jack squat! :furious


And another thing, NAPA sucks!


explain to me, then, how the average joe is going to replace 12 quarts of transmission fluid in his driveway?
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Offline uptown

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Re: Transmission Flush
« Reply #20 on: February 12, 2009, 08:37:04 AM »
I'm not talking about flushing a tranny. My line of thinking is if it's in bad enough shape that it needs flushing, you better being looking to replace or rebuild it.
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Offline uptown

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Re: Transmission Flush
« Reply #21 on: February 12, 2009, 08:39:35 AM »
explain to me, then, how the average joe is going to replace 12 quarts of transmission fluid in his driveway?
ummmm, 2 drain pans, a set of ramps and some common sense?
« Last Edit: February 12, 2009, 08:44:48 AM by uptown »
Lighten up Francis

Offline CAP1

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Re: Transmission Flush
« Reply #22 on: February 12, 2009, 08:47:38 AM »
Yeah I see that now, you're right.  I hadn't read your other post.  I thought you were saying dropping the pan and changing the filter is something the common person shouldn't try.  And the boneheads at jiffylube call sucking the old fluid through the dipstick a "flush".  How's that for truth in advertising?

 :aok

ya, well, jiffylube is another one i recommend avoiding like the plague.
 when i used to tow, we averaged 2 or 3 cars a month that we towed out of the local jiffylube. funny thing, is that they all ran when they went in.  :noid

 as for just doing a fluid and filter change.......if the person doing it feels confidant, then there's no problem doing it. 9 out of 10, are super easy. there;s some that are somewhat hard......mazda protege is one.....you have to remove a support member to get 4 or 5 of the pan bolts, and there were some late 80's early 90's fords, that you had to unbolt shifter cable brackets.

back to the jiffylube thing.....THAT kind of poop is what makes us all look bad in this business......
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Offline CAP1

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Re: Transmission Flush
« Reply #23 on: February 12, 2009, 08:48:31 AM »
ummmm, 2 drain pans, a set of ramps and some common sense?

uumm....you're not gonna get all the fluid out unless the pump is running.
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Offline CAP1

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Re: Transmission Flush
« Reply #24 on: February 12, 2009, 08:50:16 AM »
I'm not talking about flushing a tranny. My line of thinking is if it's in bad enough shape that it needs flushing, you better being looking to replace or rebuild it.

nope.....95 ford taurus. draining the fluid didn't improve anything. flushing it did. it's been about 5k miles now, and she's working beautifully.
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Offline sluggish

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Re: Transmission Flush
« Reply #25 on: February 12, 2009, 08:55:20 AM »
ya, well, jiffylube is another one i recommend avoiding like the plague.
 when i used to tow, we averaged 2 or 3 cars a month that we towed out of the local jiffylube. funny thing, is that they all ran when they went in.  :noid

 as for just doing a fluid and filter change.......if the person doing it feels confidant, then there's no problem doing it. 9 out of 10, are super easy. there;s some that are somewhat hard......mazda protege is one.....you have to remove a support member to get 4 or 5 of the pan bolts, and there were some late 80's early 90's fords, that you had to unbolt shifter cable brackets.

back to the jiffylube thing.....THAT kind of poop is what makes us all look bad in this business......

I could never understand why they don't put drain plugs in trans pans...

Offline CAP1

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Re: Transmission Flush
« Reply #26 on: February 12, 2009, 08:59:09 AM »
I could never understand why they don't put drain plugs in trans pans...

some do. i think some toyotas have them. honda transmissions don't even use filters. you simply drain and fill them. i love them, because they;re easy to work on, and i don't have to charge my customers very much for doing the drain and fill on them.
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Offline Fulmar

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Re: Transmission Flush
« Reply #27 on: February 12, 2009, 09:27:35 AM »
Thanks CAP1, but that maintenance schedule does not match what my owner's manual recommends and what I used to talk to the guys at the dealer for.  I think I'm just going to call my old dealership and ask for their recommendation.
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Offline CAP1

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Re: Transmission Flush
« Reply #28 on: February 12, 2009, 09:30:57 AM »
Thanks CAP1, but that maintenance schedule does not match what my owner's manual recommends and what I used to talk to the guys at the dealer for.  I think I'm just going to call my old dealership and ask for their recommendation.

probably your best bet. from experience, alldata says they get their information straight from the manufacturer.

hope a make out ok dude
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Offline dentin

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Re: Transmission Flush
« Reply #29 on: February 12, 2009, 10:03:17 AM »
Adhere to the Owners Manual/Maintenance schedule..there IS a reason it's supplied with the Vehicle.  :)
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