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#4532640 - 10/03/17 06:53 AM Drain and Fill ATF Interval?
Gebo Offline


Registered: 09/18/02
Posts: 2154
Loc: VA
I'm using a synthetic ATF. I drain out 2-3 qts every so often to maintain a fairly clean ATF. How often would you do a partial drain and fill with this information? Transmission capacities vary between 8-9 qts
_________________________
'98 LEX LS400 280K
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'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
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#4532650 - 10/03/17 07:05 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
ET16 Offline


Registered: 10/28/08
Posts: 1285
Loc: MD
Every other oil change, or a little longer.

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#4532661 - 10/03/17 07:24 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
Gebo Offline


Registered: 09/18/02
Posts: 2154
Loc: VA
How many miles would that be for you?
_________________________
'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K


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#4532671 - 10/03/17 07:40 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
Miller88 Offline


Registered: 04/09/08
Posts: 12753
Loc: Onondaga County
I do a quick drain/fill with Dex VI in my Cherokee's AW-4 every year. Usually between 6 and 10K miles.

I'm not easy on it.
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18 Forester 2.5I 6M
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#4532680 - 10/03/17 07:55 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
fenixguy Offline


Registered: 02/08/17
Posts: 308
Loc: NC
In the Hondas I stick with a 30,000 mile drain and fill. I may do a 20k drain and fill interval with the Frontier (per the severe service interval in the manual).

If you're changing the ATF regularly, you're already doing more than 90% of car owners. Pick an interval that works for you and stick with it.
_________________________
'16 Frontier SV 4x4-PP/Nissan OEM
'08 CR-V EX AWD-Valvoline Syn MaxLife/Fram TG
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'00 Civic LX-PYB/Fram UG

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#4532689 - 10/03/17 08:02 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1232
Loc: Winchester, Indiana
Once a year D&F should be fine to replenish additives, reduce TAN, and get out any particulates in the pan or on the magnet. Unless you drive more than 30k in a year, this should be plenty regardless of the transmission.

I do my 06 Odyssey every 20k (1 gallon of Maxlife ATF) and my 11 Fusion every 30k (1 gallon of Amsoil ATL)... but thinking about it, every 3rd change I will likely do Honda's "full" 4x D&F... if I have the van that long.

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#4532714 - 10/03/17 08:23 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
Bgallagher Offline


Registered: 04/17/12
Posts: 3159
Loc: Boston, MA
I typically do a drain and fill every 20k. It is pretty easy so I will do it whenever I am close to that mark and due for an oil change.
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2017 Chevy Traverse - 28k - Delco Dexos 1 and PF63
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#4532715 - 10/03/17 08:24 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
Mr Nice Offline


Registered: 09/12/04
Posts: 21353
Loc: Orlando, FL
ATF is cheap, I do it every 30K miles.

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#4532832 - 10/03/17 09:47 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
2010Civic Offline


Registered: 12/06/14
Posts: 363
Loc: Minnesota
I have a 2008 and 2010 Civic and do a drain/fill every 25k miles. Costs less than $20 for me to drain 2.5 quarts of Honda ATF and refill.
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2010 Honda Civic LX
Valvoline SynPower 5w-20 - Honda oil filter
54,061 miles

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#4532854 - 10/03/17 10:06 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
440Magnum Offline


Registered: 02/01/09
Posts: 8756
Loc: Texas
I wouldn't bother much more often than every 30k miles, unless its an AT known for generating a lot of clutch dust. ATF has a pretty easy life compared to engine oil- no combustion byproudcts, no acids, no moisture other than atmospheric moisture, no carbon, no sulfur, no unburned fuel / fuel additives. Just clutch dust and gradual depletion of some components of the additive package, that's why they really can live "for life" (and have "life" be > 200k miles sometimes) on a single fluid fill if the owner chooses that level of neglect.
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#4532866 - 10/03/17 10:21 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
WobblyElvis Offline


Registered: 09/23/14
Posts: 1386
Loc: Toronto Canada
Every 5 years or 80,000 miles. Drop the pan and change what fluid I can. Maybe less often than this.

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#4532888 - 10/03/17 10:41 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
Jimzz Offline


Registered: 10/03/14
Posts: 1171
Loc: NoVA
I do a drain/fill around every 30k on average.
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yup

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#4532889 - 10/03/17 10:41 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
BrocLuno Offline


Registered: 09/06/15
Posts: 5621
Loc: Kalifornia Kollective
About every 30K smile
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Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4532903 - 10/03/17 11:01 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
zorobabel Offline


Registered: 01/27/11
Posts: 507
Loc: Anaheim, CA
On the 2004 Corolla with added remote filter, inline cooler and T-IV ATF used - at 30k, the drained fluid (roughly 50% of capacity) looked somewhat dark. Castrol IMV went in.

On the 97 Maxima with added remote filter, inline cooler and Maxlife Syn ATF used - at 30k, the drained fluid (roughly 50% of capacity) looked very good. I'm contemplating going to 60k ATF drain and fills on the Maxima.
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1997 Maxima 180k, Delvac 15w40, Wix 51315
2004 Corolla 190k, VWB 5w20 + SSS 10w40, MGL4967

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#4532913 - 10/03/17 11:10 AM Re: Drain and Fill ATF Interval? [Re: Gebo]
Gebo Offline


Registered: 09/18/02
Posts: 2154
Loc: VA
I'm thinking every 20k with 2 qts. That way after every 4 changes, I would have a "complete" change.
_________________________
'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K


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