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Transmission flush 1997 Explorer #4685369
03/05/18 04:30 PM
03/05/18 04:30 PM
Joined: May 2005
Posts: 5
Raleigh-Durham NC
racer44 Offline OP
racer44  Offline OP
Joined: May 2005
Posts: 5
Raleigh-Durham NC
I have 191,000 miles on my Explorer have flush the transmission every 30,000 miles. I do it myself thru the transmission cooler pumping 2 quarts out pouring 2 quarts in. Has been a Great SUV! Will I benefit using Mercon V over regular Mercon?

Re: Transmission flush 1997 Explorer [Re: racer44] #4685374
03/05/18 04:32 PM
03/05/18 04:32 PM
Joined: Jun 2009
Posts: 1,830
Wisconsin
wallyuwl Offline
wallyuwl  Offline
Joined: Jun 2009
Posts: 1,830
Wisconsin
Why only two quarts? You could do the whole amount using that method pretty easily and only have to do it every 50k, at the most. Upgrading the a newer version of fluid won't hurt anything and may help the transmission run cooler.

Re: Transmission flush 1997 Explorer [Re: racer44] #4685386
03/05/18 04:48 PM
03/05/18 04:48 PM
Joined: Mar 2008
Posts: 7,348
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,348
USA
Does your transmission have a drain plug? If not, Dorman might make an aftermarket pan that has one, making future ATF changes much easier smile

There is nothing wrong with using Mercon V over regular Mercon, but you may wish to consider using a full synthetic ATF like the popular Maxlife

Re: Transmission flush 1997 Explorer [Re: racer44] #4685396
03/05/18 04:56 PM
03/05/18 04:56 PM
Joined: May 2005
Posts: 5
Raleigh-Durham NC
racer44 Offline OP
racer44  Offline OP
Joined: May 2005
Posts: 5
Raleigh-Durham NC
When I do the transmission flush I run 14 quarts thru the system and move the gear selector thru all the gears while doing the flush.

Re: Transmission flush 1997 Explorer [Re: racer44] #4685423
03/05/18 05:24 PM
03/05/18 05:24 PM
Joined: Aug 2010
Posts: 5,947
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,947
Champlain/Hudson Valley
Did a drain & fill on friend'sExplorer, '04 V-6 @ 57K. The 5 qt which drained wasn't too bad.
Used Mercon V. The family also had a '97 F-150 and the Mercon spec was superseded to Mercon V.
Rigged a pressurized bottle to fill through "that thing" mounted in the oil pan.

What's that fitting called?

Re: Transmission flush 1997 Explorer [Re: racer44] #4685554
03/05/18 07:33 PM
03/05/18 07:33 PM
Joined: Dec 2017
Posts: 1,339
US
JLTD Offline
JLTD  Offline
Joined: Dec 2017
Posts: 1,339
US
Originally Posted By: racer44
I have 191,000 miles on my Explorer have flush the transmission every 30,000 miles. I do it myself thru the transmission cooler pumping 2 quarts out pouring 2 quarts in. Has been a Great SUV! Will I benefit using Mercon V over regular Mercon?


I'd stick with what you are doing, it's working!


I'm a thickie; assimilate
But 20s have their place

Using AMSOIL

Hers: 2008 Jeep Liberty 138k, SS 5w30/Amsoil

His: 2015 4Runner 41k, OE 5w30/Wix

Re: Transmission flush 1997 Explorer [Re: racer44] #4685711
03/05/18 09:32 PM
03/05/18 09:32 PM
Joined: Jul 2005
Posts: 9,951
Maricopa, Arizona
dave1251 Offline
dave1251  Offline
Joined: Jul 2005
Posts: 9,951
Maricopa, Arizona
I had a 2002 Explorer. I just used regular Pennzoil DEX III. Flushed about every 40K.


make the inside of your engine oil cap white.
don't use.
Re: Transmission flush 1997 Explorer [Re: racer44] #4685712
03/05/18 09:33 PM
03/05/18 09:33 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline
ford46guy  Offline
Joined: Jun 2013
Posts: 525
Albany, NY
Originally Posted By: racer44
I have 191,000 miles on my Explorer have flush the transmission every 30,000 miles. I do it myself thru the transmission cooler pumping 2 quarts out pouring 2 quarts in. Has been a Great SUV! Will I benefit using Mercon V over regular Mercon?

Only Mercon V for these transmissions. If you have the v6 w/ 5R44E, These transmissions have a temperature valve, so you aren't flushing the converter unless you are at operating temperature.

Last edited by ford46guy; 03/05/18 09:34 PM.

95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Transmission flush 1997 Explorer [Re: racer44] #4685797
03/05/18 10:59 PM
03/05/18 10:59 PM
Joined: Sep 2015
Posts: 3,953
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,953
Connecticut
The Mercon V is an improvement over the Mercon. Besides being a synthetic blend it likely has a stronger add package than most conventional Mercons. Merc V shears at about half the rate of Mercon. So your fluid will last longer. By around 2003 Ford was recommending Mercon V in most of its formerly Mercon transmissions. With cheap SuperTech Mercon V at $4.25/qt (it meets Ford approvals), no reason not to use it or a similar specced fluid. After 30K miles the Mercon would probably shear down from 7.4 to 4.0-4.5 cSt. While the Merc V might still be around 5.0-6.0. A full synthetic like Mobil 1 ATF would probably end up around 6.5-6.8. The Mercon V would maintain its transmission hydraulic characteristics longer than the Mercon...which would benefit better shifting and less wear & tear.



----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Transmission flush 1997 Explorer [Re: racer44] #4685807
03/05/18 11:14 PM
03/05/18 11:14 PM
Joined: Apr 2006
Posts: 9,278
Birmingham, AL
01rangerxl Offline
01rangerxl  Offline
Joined: Apr 2006
Posts: 9,278
Birmingham, AL
I wouldn't say there is a benefit, but Mercon V will work fine.

These transmissions aren't that picky...they just like clean fluid.

A friend recently bought a '96 with a 4R55E and 127K miles...we filled with Maxlife after a pan drop.


2002 Ford Ranger XLT | 3.0 V6 Auto 2WD | 224K miles
1994 Ford Ranger STX | 4.0 V6 Manual 4X4 | 200K miles
1994 Ford Explorer XLT | 4.0 V6 Auto 4X4 | 246K miles
Re: Transmission flush 1997 Explorer [Re: slacktide_bitog] #4686027
03/06/18 08:52 AM
03/06/18 08:52 AM
Joined: Jan 2008
Posts: 4,027
Guilford, CT
exranger06 Offline
exranger06  Offline
Joined: Jan 2008
Posts: 4,027
Guilford, CT
Originally Posted By: slacktide_bitog
Does your transmission have a drain plug? If not, Dorman might make an aftermarket pan that has one, making future ATF changes much easier smile

There is nothing wrong with using Mercon V over regular Mercon, but you may wish to consider using a full synthetic ATF like the popular Maxlife

No drain plug on the factory pan, but Dorman does make a pan with a plug.


2006 Ford Ranger Sport
1992 Honda Accord EX
2004 Honda CR-V LX
1994 Ford Bronco XLT (project)
2011 Cadillac Escalade ESV (wife's)

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