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nice red ATF always good? #4676344
02/24/18 11:30 AM
02/24/18 11:30 AM
Joined: Oct 2014
Posts: 778
Pa, USA
NH73 Offline OP
NH73  Offline OP

Joined: Oct 2014
Posts: 778
Pa, USA
Could there be a reason an ATF is nice and red, but needs replacement?


2017 Toyota RAV4 Hybrid
2004 Ford Explorer Sport Trac
2012 Gravely ZT XL 48 w/ Kawasaki FR730
Re: nice red ATF always good? [Re: NH73] #4676353
02/24/18 11:43 AM
02/24/18 11:43 AM
Joined: Oct 2017
Posts: 566
Northeastern Vermont
littleant Offline
littleant  Offline

Joined: Oct 2017
Posts: 566
Northeastern Vermont
I would think like engine oil the additives could get used up but still retain the nice red color. Guess the only way to know for certain is with a uoa. Just my opinion.


I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0
Re: nice red ATF always good? [Re: NH73] #4676364
02/24/18 11:53 AM
02/24/18 11:53 AM
Joined: Feb 2015
Posts: 156
New Mexico
Saul Online content
Saul  Online Content

Joined: Feb 2015
Posts: 156
New Mexico
Are you referring to Mistubishi/Hyundai SP III or just regular? SP III is a different kind of red, like no other...

Re: nice red ATF always good? [Re: NH73] #4676368
02/24/18 11:56 AM
02/24/18 11:56 AM
Joined: Mar 2008
Posts: 6,402
Michigan
ZZman Offline
ZZman  Offline

Joined: Mar 2008
Posts: 6,402
Michigan
As a general rule yes. Fluid changes color over time or from excessive heat.


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram TG
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: nice red ATF always good? [Re: NH73] #4676389
02/24/18 12:18 PM
02/24/18 12:18 PM
Joined: Nov 2011
Posts: 1,473
Lyndhurst NJ
Audios Online content
Audios  Online Content

Joined: Nov 2011
Posts: 1,473
Lyndhurst NJ
Only if its the wrong color for that transmission, some take clear, mercedes is now blue.


2002 VW Golf TDI-Mobil 1 5/40 TDT
2007 Mercedes GL320 CDI- M1 0/30 ESP
2005 BMW M3 BMW Twin Power 10/60
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Re: nice red ATF always good? [Re: NH73] #4676411
02/24/18 12:39 PM
02/24/18 12:39 PM
Joined: Oct 2014
Posts: 778
Pa, USA
NH73 Offline OP
NH73  Offline OP

Joined: Oct 2014
Posts: 778
Pa, USA
This is in a Ford Explorer Sport Trac where it would be expected to be red. I have about 50,000 miles on the fluid.


2017 Toyota RAV4 Hybrid
2004 Ford Explorer Sport Trac
2012 Gravely ZT XL 48 w/ Kawasaki FR730
Re: nice red ATF always good? [Re: NH73] #4676422
02/24/18 12:51 PM
02/24/18 12:51 PM
Joined: Nov 2016
Posts: 10
Wind Gap PA
Joshontech Offline
Joshontech  Offline

Joined: Nov 2016
Posts: 10
Wind Gap PA
If your manual says to change it at 50k miles than I would change it. The thing is most tranny oil filters are the weak point cause the oil has changed but not most filters. Otherwise I would say it would be ok.

Re: nice red ATF always good? [Re: Joshontech] #4676435
02/24/18 01:07 PM
02/24/18 01:07 PM
Joined: Oct 2014
Posts: 778
Pa, USA
NH73 Offline OP
NH73  Offline OP

Joined: Oct 2014
Posts: 778
Pa, USA
Agree, but the manual doesn't say change it at 50,000 miles. Its at 150,000 miles till they say change it. Agree that it might too long, so that is why I came to ask.


2017 Toyota RAV4 Hybrid
2004 Ford Explorer Sport Trac
2012 Gravely ZT XL 48 w/ Kawasaki FR730
Re: nice red ATF always good? [Re: NH73] #4676462
02/24/18 01:25 PM
02/24/18 01:25 PM
Joined: Sep 2004
Posts: 8,011
Marshfield , MA
andyd Offline
andyd  Offline

Joined: Sep 2004
Posts: 8,011
Marshfield , MA
Not all transmissions are equal. Some are much stronger and can run on mud. Fords aren't known for long lived transmissions in general. A 50k drain and fill sounds reasonable to me. ATF is cheap compared to a trans. What does the fluid smell like?


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: nice red ATF always good? [Re: ZZman] #4676483
02/24/18 01:47 PM
02/24/18 01:47 PM
Joined: Dec 2016
Posts: 8,017
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,017
Waco, TX
Originally Posted By: ZZman
As a general rule yes. Fluid changes color over time or from excessive heat.


Yes.

Excessive Heat is ALWAYS ALWAYS ALWAYS the #1 killer of auto trans.

Nice & bright red = never been hot enough to change color.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: nice red ATF always good? [Re: Joshontech] #4676488
02/24/18 01:49 PM
02/24/18 01:49 PM
Joined: Dec 2016
Posts: 8,017
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,017
Waco, TX
Originally Posted By: Joshontech
The thing is most tranny oil filters are the weak point cause the oil has changed but not most filters.


This really isn't true at all.

Most trans filters are simply "rock catchers".
Most won't filter below 100 microns, and many are FAR worse than that.

A GOOD condition trans will NEVER plug its filter.

If you find a plugged filter, it's because the dying trans plugged it...
......... NOT the "other way around"


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: nice red ATF always good? [Re: andyd] #4676491
02/24/18 01:52 PM
02/24/18 01:52 PM
Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
OK, I realize the 50,000 mile number is key to this thread but really, how can you omit the vehicle's year? Just askin'.

50K is 50K. Change your juice.

Did a father & son duo of Ford trannie D&F's at 56K and 52K; '97 F-150 and '04 Explorer respectively.

MerconV in both. Both their fluids were a bit darkened with dirt but was still red and didn't smell. Nothing changed except for the knowledge gained.

And thanks to Ford for removing the dipstick on the Explorer's V6.

Re: nice red ATF always good? [Re: Linctex] #4676494
02/24/18 01:53 PM
02/24/18 01:53 PM
Joined: Sep 2010
Posts: 8,205
Texas
4WD Offline
4WD  Offline

Joined: Sep 2010
Posts: 8,205
Texas
Originally Posted By: Linctex
Originally Posted By: Joshontech
The thing is most tranny oil filters are the weak point cause the oil has changed but not most filters.


This really isn't true at all.

Most trans filters are simply "rock catchers".
Most won't filter below 100 microns, and many are FAR worse than that.

A GOOD condition trans will NEVER plug its filter.

If you find a plugged filter, it's because the dying trans plugged it...
......... NOT the "other way around"


For this reason I change my external (20 micron) yearly and the pan filter every 3 years the pan was so clean last time I could go longer

Re: nice red ATF always good? [Re: NH73] #4676550
02/24/18 02:57 PM
02/24/18 02:57 PM
Joined: Dec 2017
Posts: 3,929
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline

Joined: Dec 2017
Posts: 3,929
SE British Columbia, Canada
popcorn popcorn2

Rule of thumb for the BITOG members: Three times more often than the manufacturer says.


If you want the job done right......do it yourself.
Re: nice red ATF always good? [Re: Snagglefoot] #4676564
02/24/18 03:10 PM
02/24/18 03:10 PM
Joined: Jul 2004
Posts: 12,131
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline

Joined: Jul 2004
Posts: 12,131
Middlesex County CT
Originally Posted By: Snagglefoot
popcorn popcorn2

Rule of thumb for the BITOG members: Three times more often than the manufacturer says.


What is 3 times more often than never?


2004 Prius; 110K; ASL
2007 Yaris 86K 0w-40 Castrol
2006 B2300;132K;ALM


Was driving an ox cart; Now on the USS Enterprise
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