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#4685369 - 03/05/18 04:30 PM Transmission flush 1997 Explorer
racer44 Offline


Registered: 05/25/05
Posts: 4
Loc: 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?

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#4685374 - 03/05/18 04:32 PM Re: Transmission flush 1997 Explorer [Re: racer44]
wallyuwl Offline


Registered: 06/02/09
Posts: 1777
Loc: 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.

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#4685386 - 03/05/18 04:48 PM Re: Transmission flush 1997 Explorer [Re: racer44]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6166
Loc: 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

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#4685396 - 03/05/18 04:56 PM Re: Transmission flush 1997 Explorer [Re: racer44]
racer44 Offline


Registered: 05/25/05
Posts: 4
Loc: 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.

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#4685423 - 03/05/18 05:24 PM Re: Transmission flush 1997 Explorer [Re: racer44]
Kira Offline


Registered: 08/19/10
Posts: 5241
Loc: 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Used Mercon V. The family also had a '97 F-150 and the Mercon spec was superseded to Mercon V.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?

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#4685554 - 03/05/18 07:33 PM Re: Transmission flush 1997 Explorer [Re: racer44]
JLTD Offline


Registered: 12/15/17
Posts: 664
Loc: 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!
_________________________
His: 2015 4Runner SR5 1GR-FE 39k, Amsoil OE 5w20/Wix
Testing vs Amsoil OE 5w30...then longer OCI on SS

Hers: 2008 Jeep Liberty 135k, Amsoil SS 5w30/Amsoil, minimum 10k oci

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#4685711 - 03/05/18 09:32 PM Re: Transmission flush 1997 Explorer [Re: racer44]
dave1251 Offline


Registered: 07/15/05
Posts: 8675
Loc: Maricopa, AZ
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.

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#4685712 - 03/05/18 09:33 PM Re: Transmission flush 1997 Explorer [Re: racer44]
ford46guy Offline


Registered: 06/01/13
Posts: 525
Loc: 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.


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

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#4685797 - 03/05/18 10:59 PM Re: Transmission flush 1997 Explorer [Re: racer44]
69GTX Offline


Registered: 09/23/15
Posts: 3815
Loc: 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

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#4685807 - 03/05/18 11:14 PM Re: Transmission flush 1997 Explorer [Re: racer44]
01rangerxl Offline


Registered: 04/08/06
Posts: 9251
Loc: 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 / 5-Speed Automatic / 2WD | 211K miles
1994 Ford Ranger STX | 4.0 V6 / 5-Speed Manual / 4X4 | 198K miles

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#4686027 - 03/06/18 08:52 AM Re: Transmission flush 1997 Explorer [Re: slacktide_bitog]
exranger06 Offline


Registered: 01/25/08
Posts: 3907
Loc: 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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