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#4473982 - 07/29/17 03:42 PM Begun a Transmission Filter Experiment on my 68RFE
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
I've begun using a combination of a Fram XG7317 filter on the transmission cooler return line, and a Parker 3-micron hydraulic filter and head on the transmission cooler output.

The Parker filter is on the transmission output because it's filter mount has 4 1/8" NPT fittings thatI'm going to be using for transmission temperature readings, as well as placement of a pressure differential gauge. Don't want to change a filter if it doesn't need it yet. I don't have to worry about material falling out of the transmission cooler because this transmission has a factory spin-on filter inside of the transmission pan that is fed by the transmission cooler return line.

The factory spin-on filter inside the pan is rumored to be about 60-80 microns efficient. It's a total rock-catcher. Better rock-catcher than the pan filter, but still a rock catcher. I discovered through some research that this filter is a dimensional dead ringer for PH7317. Similar gasket diameter, similar height, similar case diameter, same threads.

There is actually no rocket science going on where the filter system is concerned. Transmission cooler line comes to the side of the transmission case, and goes straight through to the filter, and then to the return outlet into the pan. I really couldn't see what the heck the difference would be if I were to have an external filter head on the return with a 7317, or just having screwed in inside of the pan. 7317 has ample flow for a transmission, and the fluid is thinner and cleaner than the engine oil it's used to dealing with, especially with a 3-micron filter taking point on cleaning the oil before it reaches it.

I just screwed the factory filter, unscrewed the plastic filter boss from it, and installed it in the XG7317 (boss is with filter, not filter mount). I taped off the top of the XG7317, took 45 seconds to remove the external paint and grip coating with a wire wheel, cleaned it, removed the tape, and installed in place of the factory spin-on filter.

Parker recommends changing the hydraulic filter at 50 hours when being added to a system that has never had one, and then every 250 hours after that. I'll be doing a UOA at 50 hours to see just how clean it's keeping the transmission fluid.

While I was at it, I also flushed the whole transmission and added a Dorman transmission pan with a drain plug and placed 3 95 lb. donut magnets in the pan to take care of any ferrous material.

Shifting is quite a bit more civilized with the fresh fluid. Can't wait for the results.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4473999 - 07/29/17 04:00 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
Leo99 Offline


Registered: 03/30/14
Posts: 3041
Loc: NJ
What car?
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Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
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#4474008 - 07/29/17 04:16 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: Leo99]
bullwinkle Online   confused


Registered: 10/09/04
Posts: 7666
Loc: Cincinnati, OH, USA
Originally Posted By: Leo99
What car?
My WAG would be the Ram, since the diesel ones use that transmission. My only concern is, with 2 external filters & all the associated plumbing, being very careful not to get a hole in anything...
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06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

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#4474016 - 07/29/17 04:28 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Yes, it's for my Ram.

I have 5 forklifts at my business. Relatively short, low pressure hoses don't spook me nearly as much as those things lol, and I rarely have a problem.

Only one filter is external. The 7317 is mounted inside of the transmission's pan where the factory spin-on filter used to be.

I used Gates Primo Flex hose for the external Parker filter. That hose is not just going to take a hole easily. I had to cut it with a hacksaw. My razor wouldn't eat it.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4474025 - 07/29/17 04:40 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
4WD Offline


Registered: 09/21/10
Posts: 6369
Loc: Texas
I have been adding coolers and spin on filters for 15 years - currently TruCool & Derale w/ XG16 (Fram Ultra) - have always stuck with Gates hoses and swap them after 5 years ... no failures ...

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#4474032 - 07/29/17 04:57 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
Colt45ws Offline


Registered: 08/15/06
Posts: 9640
Loc: Central Washington
Pics? I love overkill (As you might know.)
Im trying to get the stuff together to put the Parker LFS transmission filter setup on my car, but that can keeps getting kicked down the road. Its 'only' an 8 micron. Im curious as to the size and flow capability of the 3 micron filter you are running.
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2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
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#4474036 - 07/29/17 05:11 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Filter is about PH5 size and flows 20 GPM. Filter mount has a built-in bypass. Filter itself does not.

I'll take pics after I make a new mount. I was short on time, and the mount I made is solid, but embarrassing in appearance. frown
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4474068 - 07/29/17 06:13 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
BrocLuno Offline


Registered: 09/06/15
Posts: 5514
Loc: Kalifornia Kollective
Sounds like you don't want to do future repairs ... Gee, what will that do to the local economy laugh
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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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#4474182 - 07/29/17 09:38 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: DoubleWasp
Filter is about PH5 size and flows 20 GPM. Filter mount has a built-in bypass. Filter itself does not.


Sounds almost exactly like my set-up:
I'm using a common filter head for a log-splitter (built in bypass)
with a Baldwin BT839-10 (10 micron) filter on the return cooler line.
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4508507 - 09/05/17 09:45 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
Shata Offline


Registered: 10/21/16
Posts: 169
Loc: Virginia, usa
Id definitely like to see some pics also and maybe some UOA before filter setup and after.
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16 Silverado 2500 6.6 Dmax
15w-40 Chevron Delo SDE
Frantz bypass /w AC Delco pf2232
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#4536845 - 10/08/17 07:43 AM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
UOA comparison not possible since old transmission fluid was dumped. Not fair to compare old fluid to new fluid.

I will be doing a UOA to get a general idea how well it is working, though. Going to de-uglify the mount and get pics today or tomorrow.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4613422 - 12/24/17 09:18 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
bmwtechguy Offline


Registered: 06/15/04
Posts: 2673
Loc: South Carolina
That's some awesome overkill for trans fluid filtering!

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#4614543 - 12/26/17 10:25 AM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
BrianF Offline


Registered: 02/25/15
Posts: 550
Loc: Sask, Canada
Very nicely done!
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2006 Trailblazer LT. Castrol Edge with Fram Ultra.
2017 Ram 3500 SLT Megacab. Duron SHP 10w30 with Hastings LF608.
1993 GMC 1500. It has oil and still runs

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#4636805 - 01/16/18 02:23 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
sw99 Offline


Registered: 03/22/06
Posts: 2120
Loc: Colorado
I'm getting ready to add a deep pan to my 68RFE and would like better filtration too. Any reason I cant just use the 7317 filter in lieu of the stocker and call it good? Do you see any benefits?
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2016 Nissan Versa S 1.6L
2018 Subaru Outback 2.5i
2018 Ford F350 6.2L


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#4637207 - 01/16/18 08:59 PM Re: Begun a Transmission Filter Experiment on my 68RFE [Re: DoubleWasp]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
The XG7317 is loads better than the 60-80 micron unit Mopar uses. Using the XG is the same thing as adding an external oil filter to the cooler line, except it's in the pan, and the XG is a lot better than even most of the oil filters used in those kits.

Long story short is, most definitely enough. The XG has pretty good efficiency even at 5 microns.

I would highly recommend you get a metal filter boss from one of the many suppliers that make one. I don't trust the plastic ones that come with those filters.

Also, don't forget to toss some good high temp magnets in the pan. 68RFE solenoids hate ferrous metal contamination.

And don't forget to tape off the open end of the filter and wire wheel off the filter's paint. I don't even know if it is an issue, but it's super easy to knock off all the paint with a wire wheel. Just takes a few seconds. Then wipe the can down with a towel and brake cleaner, so you're not leaving behind metal and paint dust.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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