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Should I change it?? #5343441 02/07/20 08:22 AM
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jxthomps Offline OP
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2011 Chrysler town and Country 95000 miles. Bought the van with 45000. I never did a fluid change on it. Was calling around to get prices on fluid and filter change. Called a local dealership they said do not change it. Could lead to problems. Owners manual says do it at 120000 for normal and 65000 for taxi use. But called a few other place they Quoted me and did not say anything about. Just want some input if anyone had it.


2003 Nissan Pathfinder
GTX HM 10w40 Fram XG

2011 Town and Country
QSUD 5w30 Mopar filter

2003 Chevy Tahoe
VML 5w30 ACdelco PF61
Re: Should I change it?? [Re: jxthomps] #5343452 02/07/20 08:31 AM
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nwjones18 Offline
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Personally I'd change it.


2016 Ram 1500 5.7 Hemi 30k QSUD 5w-20 and Mopar filter
1988 F-150. 4.9 I6 251k. 10w-40 QSHM Motorcraft FL1A
2007 Mazda 3 2.3 130k 5w-30 syn-blend and Denso filter
Re: Should I change it?? [Re: jxthomps] #5343454 02/07/20 08:33 AM
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benhen77 Offline
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Assuming we're discussing ATF- yes, change it. It's unlikely to have worn to the point of slipping with that mileage, especially since you're well within spec for fluid change.
Drain and fill, do not flush.


2012 Kia Forte EX 2.0 I4 6AT 49k- Valvoline Synpower 5w20
1994 BMW 530i, 5MT 201k M1/Castrol 0w40
2009 Honda Accord 2.4 I4, 5AT, 178k- RP 0w20
2004 BMW X5 4.4l 239k- M1 0W40 FS
Re: Should I change it?? [Re: benhen77] #5343459 02/07/20 08:39 AM
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jeepman3071 Offline
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Originally Posted by benhen77
Assuming we're discussing ATF- yes, change it. It's unlikely to have worn to the point of slipping with that mileage, especially since you're well within spec for fluid change.
Drain and fill, do not flush.

^^
This.

A drain and fill with the correct fluid can only help.


1998 Jeep Wrangler Sahara 4.0L/5MT (156k) - PHM 10w30, Wix 51085
2009 BMW 328i N51 (58k) - Liqui Moly 5w40, MANN HU816X
Re: Should I change it?? [Re: jxthomps] #5343468 02/07/20 08:48 AM
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Ride_Red Offline
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I changed the ATF in my 2009 Town & Country 3.8L at 40K and 80K. I now have 130K on the van.
I had the dealer do both changes. They said they hooked it to a machine for a complete flush.
We used it for towing our pop-up camper (3000 lbs) and i wanted good fluid in there. So far so good. Never had any transmission problems.
Not planning to do any more changes as we bought a 4Runner for towing and the T&C is not driven much anymore.

My Honda CR-V I did a few simple drain and fills in my driveway at 50K. Then I had the dealer do the 100K mile ATF fluid change service as called for by the maintenance schedule. I'm not sure if the dealer did a "flush" or if they did multiple drain and fills. They definitely did something because I could instantly tell it drove and shifted better.


2019 4Runner 4.0L, 18K Mi, M1 EP 0W-20, OEM
2010 CR-V 2.4L,100K Mi, M1 0W-20 AFE, M1-110
2009 T&C 3.8L, 130K Mi, ST 5W-20, Fram
2006 Cobalt 2.2L, 184K Mi, ST 5W-30 HM, Fram
Re: Should I change it?? [Re: jxthomps] #5343470 02/07/20 08:51 AM
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paulri Offline
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I did 2 or 3 drain & fills with my SIenna when it had never been touched after about 140-150K. I took advice here and elsewhere not to do the flush, and I used Maxlife multi vehicle ATF (because it had very good reports online from people who used it in their transmissions) and if anything, shifting was smoother & quieter after this.


2005 Toyota Sienna LE; 163,000 miles
2006 Toyota Highlander Hybrid 118,000 miles
Re: Should I change it?? [Re: jxthomps] #5343473 02/07/20 09:02 AM
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supton Offline
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My '99 Camry came with what I assumed was OEM fluid, and after 140k it kinda looked dark to me. Did a flush without thinking about it--fresh fluid trumps nasty fluid. It might have shifted better, or it might have been my imagination. I did a pan drop and refill, then pulled a cooler line so as to pump out as much old fluid as possible. Full flush that way.

Second flush 20 or 30k later and it's been nice and clean since.

That's a singular datapoint I know, but I don't see how a flush can damage anything. Is there any other auto fluid that we'd be hesitant to change if we accidentally drove too far on, and were afraid to change, for fear that fresh fluid would actually damage it?


2011 Toyota Camry, base, 2.5L/6MT, 203k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 158k, ours
1999 Toyota Camry LE, 2.2L/4AT, 223k, his
Re: Should I change it?? [Re: Ride_Red] #5343486 02/07/20 09:10 AM
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hallstevenson Offline
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Originally Posted by Ride_Red
My Honda CR-V I did a few simple drain and fills in my driveway at 50K. Then I had the dealer do the 100K mile ATF fluid change service as called for by the maintenance schedule. I'm not sure if the dealer did a "flush" or if they did multiple drain and fills.
Honda (corporate) is adamant against doing fluid "flushes" using a machine. I can't imagine any Honda dealership even owning one based on that. Honda says drain and fill only. The number of times to repeat that varies with every situation.

In your case, the amount they charged should be an indication, i.e. $89-129 or so would suggest a single drain and fill. Closer to $300, I'd hope they did 3-4 drain and fills. If they knew you did a drain and fill at 50k, there's no need for them to do more than a single as well.

Re: Should I change it?? [Re: jxthomps] #5343488 02/07/20 09:12 AM
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Kira Offline
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Do a drain & fill and see how black your fluid is.

Decide to do additional D&Fs or a full pump-out accordingly.

Make sure the correct fluid is used.

Re: Should I change it?? [Re: jeepman3071] #5343498 02/07/20 09:22 AM
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mpgo4th Offline
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Originally Posted by jeepman3071
Originally Posted by benhen77
Assuming we're discussing ATF- yes, change it. It's unlikely to have worn to the point of slipping with that mileage, especially since you're well within spec for fluid change.
Drain and fill, do not flush.

^^
This.

A drain and fill with the correct fluid can only help.



Agree 100%

Re: Should I change it?? [Re: jxthomps] #5343547 02/07/20 10:01 AM
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JohnnyJohnson Offline
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Depends if you are going to do it wait for nicer weather if you are having the dealer do it now would be fine.


2004 Corolla 139161
Out: Havoline Pro DS 10w-30 Purolator PureOne 10-29-19 136457
In: Pennzoil Platinum HM 5W-20 ST 4386
2006 Duramax 77060
Out: T6 5W-40 XG9100 73909
In: Rotella Dino PH9100 11-3-19
Re: Should I change it?? [Re: jxthomps] #5343623 02/07/20 11:19 AM
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Donald Offline
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I would wait another 10K miles or 70 degree days whichever comes first.

Nothing wrong with a flush.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Should I change it?? [Re: mpgo4th] #5343653 02/07/20 11:55 AM
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Gebo Offline
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Originally Posted by mpgo4th
Originally Posted by jeepman3071
Originally Posted by benhen77
Assuming we're discussing ATF- yes, change it. It's unlikely to have worn to the point of slipping with that mileage, especially since you're well within spec for fluid change.
Drain and fill, do not flush.

^^
This.

A drain and fill with the correct fluid can only help.



Agree 100%



Agree 100%. Do not flush.


'98 LEX LS400 305K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 70K

Shell Gas and Truck 5W-30
QS HM 10W-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: Should I change it?? [Re: jxthomps] #5343700 02/07/20 12:56 PM
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DeafBrad Offline
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I am not a mechanic, but I suspect some people with failing transmissions try to get a free transmission by having their transmission fluid changed and then blaming the mechanic. Other customers may not know their transmission is on its last legs and when the fluid change makes the problems obvious they will blame the mechanic. It would be much easier for shops to just say not to change the fluid.

I have done both flushes and drain and fills on some of my vehicles with no problems. All the vehicles were north of 100,000 miles when the transmission fluids were changed, and likely the fluid changes were the first change those vehicles got.


Toyota Echo 250,000 + miles
Geo XFI 50+ mpg
Honda CBR250r 65+ mpg
Re: Should I change it?? [Re: jxthomps] #5343711 02/07/20 01:15 PM
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Supersonic Offline
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Yes, and I'd recommend doing the fluid exchange through the cooler return line too. My 2010 Sienna, over 200k, had a shift solenoid warning go away after that, I thing it was a shift solenoid E sticking(?) but ask your dealer what problems do they have, that should get interesting if they actually know there is specific problems with a transmission model or if they are just generalizing. My thought is the transmission is a hydraulic machine and operates better on clean fluid. I'd do the filter too, maybe skip that every other time, thinking I am doing mine every 30 to 40k.

Here's the example I learned from, at 5:40 starts the fluid exchange which is also sometimes referred to as a flush, difference being the motor is run so the transmission pump does the exchange vs an external machine doing a flush;
2009 Toyota Sienna Transmission Fluid Flush and Filter Change

Last edited by Supersonic; 02/07/20 01:16 PM. Reason: Shift Solenoid E added
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