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#4624077 - 01/04/18 04:50 PM Filter Replacement and Fluid Exchange
AnonOIl Offline


Registered: 10/01/17
Posts: 27
Loc: GA, USA
Hello all! Hope you are doing well. I drive a 2004 Toyota Highlander 4cyl with ~183k miles on her now. I have done 2 transmission drain and refills in the past, relatively close to each other in order to get all the old fluid out when I got the car. They were done with Valvoline Maxlife ATF + Lucas Stop Slip and Castrol High Mileage ATF + Lucas Stop Slip respectively. The transmission is still having some delay going into gears, and I think the transmission filter may be a problem as it has NEVER been changed. Am I on track with this? I was thinking about doing a service soon, draining the pan, dropping the pan entirely and cleaning it, tightening any bolts on the transmission valve body, replacing the filter, reinstalling the pan w/ new gasket, then adding appropriate amounts of Castrol High Mileage ATF + Lucas Stop Slip. Would this help do y'all think? Any fluid and filter recommendations? Also, new drain plug gasket (size?)? Thanks! Have a good day.

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#4624102 - 01/04/18 05:20 PM Re: Filter Replacement and Fluid Exchange [Re: AnonOIl]
Rolla07 Offline


Registered: 11/05/11
Posts: 4732
Loc: MTL, CANADA
Not sure about Lucas Stop Slip, but guessing some folks might be able to recommend a better product to use. Usually they dont drop pans on some Toyota's, not sure if yours is one (my corolla is one) they usually just do drain and fills. If I were you, I would drop the pan, clean the magnet and replace the filter and fill with fresh fill of Synthetic ATF. I prefer Mobil 1 syn ATF, but Maxlife ATF might also be a great fit for you.
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


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#4624110 - 01/04/18 05:28 PM Re: Filter Replacement and Fluid Exchange [Re: Rolla07]
AnonOIl Offline


Registered: 10/01/17
Posts: 27
Loc: GA, USA
Perfect, thank you so much for the advice!

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#4624127 - 01/04/18 05:47 PM Re: Filter Replacement and Fluid Exchange [Re: AnonOIl]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Dropping the pan is a good idea. You might be amazed at what stays behind in a transmission that a drain does not remove.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4624157 - 01/04/18 06:10 PM Re: Filter Replacement and Fluid Exchange [Re: AnonOIl]
gotnogunk Offline


Registered: 04/12/09
Posts: 87
Loc: Florida
To all you automotive engineer types. Why can't the manufacturers make it a little easier to service a transmission??? I am sure that even the techs would be grateful. We could have a filter that is efficient and easy to change and please a .50 drain plug.

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#4624223 - 01/04/18 07:25 PM Re: Filter Replacement and Fluid Exchange [Re: DoubleWasp]
Pajero Offline


Registered: 05/05/12
Posts: 837
Loc: Rio Rancho, NM
Echo DoubleWasp sentiment! Drop the pan and clean. When your next service is due, consider a valvoline flush. I wouldn't do a flush unless you clean and/or replace the screen. You don't want it to get clogged. Good luck sir~!




Respectfully,

Pajero!
_________________________
Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot

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#4624340 - 01/04/18 10:25 PM Re: Filter Replacement and Fluid Exchange [Re: gotnogunk]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: gotnogunk
To all you automotive engineer types. Why can't the manufacturers make it a little easier to service a transmission??? I am sure that even the techs would be grateful. We could have a filter that is efficient and easy to change and please a .50 drain plug.


Most cars owners never utilize that feature....

we are the III%, really...

Also - the manufacturer only really cares about getting the car past warranty.
99.999% of cars make it past warranty without any transmission issues.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4624393 - 01/04/18 11:29 PM Re: Filter Replacement and Fluid Exchange [Re: AnonOIl]
double vanos Offline


Registered: 08/05/04
Posts: 1884
Loc: 5600 feet elevation, Arizona
I just dropped the pan on my 110k mile F150 6R80 for the first time a couple of days ago. Over the years itís had 3-4 qts pulled and replaced probably 4 or 5 times. I was pleasantly surprised when I inspected the pan to find it clean and free of debris. I cleaned the magnet and even it was relatively clean - Iíve had other jobs where the pan magnet was buried under a lump of metallic mud. Iím trying to figure out why things looked so good: was it a superior fluid (Mercon LV ought to be superior as much as it costs) or a excellent transmission design, or perhaps the filter is so good it catches it all.
The gist is that my experience was a clean pan at change time with minimal fuss over the years.
_________________________
Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...

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#4624415 - 01/05/18 12:00 AM Re: Filter Replacement and Fluid Exchange [Re: AnonOIl]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
The ZF designed 6R80 is a really really good transmission is why.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4624493 - 01/05/18 05:20 AM Re: Filter Replacement and Fluid Exchange [Re: gotnogunk]
WyrTwister Offline


Registered: 01/13/13
Posts: 1503
Loc: Texas
Originally Posted By: gotnogunk
To all you automotive engineer types. Why can't the manufacturers make it a little easier to service a transmission??? I am sure that even the techs would be grateful. We could have a filter that is efficient and easy to change and please a .50 drain plug.


I think the plan is for us to drive the car untill it quits & then sell you a new car ?

Wyr
God bless
_________________________
Wyr
God bless

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#4624496 - 01/05/18 05:22 AM Re: Filter Replacement and Fluid Exchange [Re: DoubleWasp]
WyrTwister Offline


Registered: 01/13/13
Posts: 1503
Loc: Texas
Originally Posted By: DoubleWasp
The ZF designed 6R80 is a really really good transmission is why.


What is ZF ?

Thanks , :-)
_________________________
Wyr
God bless

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#4624503 - 01/05/18 05:38 AM Re: Filter Replacement and Fluid Exchange [Re: WyrTwister]
Claud Offline


Registered: 02/11/14
Posts: 593
Loc: Margate England
Originally Posted By: WyrTwister
Originally Posted By: DoubleWasp
The ZF designed 6R80 is a really really good transmission is why.


What is ZF ?

Thanks , :-)


ZF Friedrichschafen AG, is a German based company specialising in the manufacture of drivetrain products, and more recently active and passive automobile safety technology.
They supplied automatic transmissions for many German and French car manufacturers, and much more besides.

Claud.


Edited by Claud (01/05/18 05:38 AM)

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#4624886 - 01/05/18 12:15 PM Re: Filter Replacement and Fluid Exchange [Re: double vanos]
JTK Offline


Registered: 08/14/03
Posts: 10559
Loc: Buffalo, NY
Originally Posted By: double vanos
I just dropped the pan on my 110k mile F150 6R80 for the first time a couple of days ago. Over the years itís had 3-4 qts pulled and replaced probably 4 or 5 times. I was pleasantly surprised when I inspected the pan to find it clean and free of debris. I cleaned the magnet and even it was relatively clean - Iíve had other jobs where the pan magnet was buried under a lump of metallic mud. Iím trying to figure out why things looked so good: was it a superior fluid (Mercon LV ought to be superior as much as it costs) or a excellent transmission design, or perhaps the filter is so good it catches it all.
The gist is that my experience was a clean pan at change time with minimal fuss over the years.


My guess would be the units where you find the pan magnet under a lump of goo never had the fluid refreshed. Every drain and refill removes some solids from the system.
_________________________
2017 Ram 1500 4x4, 3.6L. 2016 Nissan Quest SV (Babe magnet IV)

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#4638778 - 01/18/18 12:48 PM Re: Filter Replacement and Fluid Exchange [Re: double vanos]
wtd Offline


Registered: 06/25/02
Posts: 1915
Loc: southwest Mo.
Originally Posted By: double vanos
I just dropped the pan on my 110k mile F150 6R80 for the first time a couple of days ago. Over the years itís had 3-4 qts pulled and replaced probably 4 or 5 times. I was pleasantly surprised when I inspected the pan to find it clean and free of debris. I cleaned the magnet and even it was relatively clean - Iíve had other jobs where the pan magnet was buried under a lump of metallic mud. Iím trying to figure out why things looked so good: was it a superior fluid (Mercon LV ought to be superior as much as it costs) or a excellent transmission design, or perhaps the filter is so good it catches it all.
The gist is that my experience was a clean pan at change time with minimal fuss over the years.


What was your procedure for pulling and replacing the fluid without dropping the pan? I have this transmission in my Mustang and want to do drains and refills without dropping the pan.

I assume yours has the short dipstick that you have to access from under the vehicle like mine does. Did you just replace the same amount of fluid that you took out? I've heard that these transmissions have an internal thermostat that makes checking the fluid level kind of difficult. Thanks.
_________________________
2014 Mustang GT
1998 Chevy K3500
1998 Chevy K1500
(2) 1992 Cavaliers
1970 Monte Carlo

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