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 Post subject: Remote Tranny Cooler installed...Now-question.
PostPosted: Tue Aug 17, 2021 2:00 pm 
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All...it has been a while since I have had any concerns with my KJ as with all the mods it keeps running like a champ!!!!

I am wondering what is leaking to cause the gunk buildup in the pictures. The pictures are in the very front of the condenser, one on the left and one on the right bottom corners. The AC is working perfectly, the coolant level is great and is not leaking. I have seen some tranny oil on the floor so assume that is what this residue from. If I am correct, what is the conventional wisdom for installing a tranny cooler like Derale 13740? I see it was installed by someone in this thread http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=98&t=89140

Thanks for the thoughts and insights on whether or not what I am seeing is the OEM tranny cooler leaking.


Image

Image

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


Last edited by taroo on Tue Sep 21, 2021 12:28 pm, edited 1 time in total.

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 Post subject: Re: What is causing this?
PostPosted: Tue Aug 17, 2021 3:48 pm 
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Joined: Thu Jun 10, 2021 7:59 pm
Posts: 6
I had something similar,
I rebuilt boths tubes that enter in the inter.
also they have a rubber seal inside in your case
it might be dead
i would check that first
some expert here hopefully can confirm
cheers


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 Post subject: Re: What is causing this?
PostPosted: Tue Aug 17, 2021 6:39 pm 
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Joined: Sat May 29, 2021 7:59 am
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Location: Central Minnesota
It looks to me like the transmission cooler on the bottom of the ac condenser is leaking. It could be the fittings?? I would get some degreaser and clean it off and try to see what is getting wet first.

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2005 KJ Crd Used to own in 2014.. bought back again in 2021
Sasquatch battery tray
Cummins lift pump
GDE Eco tune and trans tune
Samco intercooler hoses
Rocky Road lift w/Toyo 245/75/16

05 CRD swap underway into 76 FJ40


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 Post subject: Re: What is causing this?
PostPosted: Tue Aug 17, 2021 7:22 pm 
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Joined: Sun Apr 06, 2014 5:23 pm
Posts: 435
taroo wrote:
All...it has been a while since I have had any concerns with my KJ as with all the mods it keeps running like a champ!!!!

I am wondering what is leaking to cause the gunk buildup in the pictures. The pictures are in the very front of the condenser, one on the left and one on the right bottom corners. The AC is working perfectly, the coolant level is great and is not leaking. I have seen some tranny oil on the floor so assume that is what this residue from. If I am correct, what is the conventional wisdom for installing a tranny cooler like Derale 13740? I see it was installed by someone in this thread http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=98&t=89140

Thanks for the thoughts and insights on whether or not what I am seeing is the OEM tranny cooler leaking.

You need to shampoo and look again in a few days !


Image

Image


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 Post subject: Re: What is causing this?
PostPosted: Wed Aug 18, 2021 2:29 pm 
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Joined: Sun Apr 27, 2008 2:14 pm
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fjdiesel wrote:
It looks to me like the transmission cooler on the bottom of the ac condenser is leaking. It could be the fittings?? I would get some degreaser and clean it off and try to see what is getting wet first.


Good idea. Let me do that first.

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


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 Post subject: Re: What is causing this?
PostPosted: Wed Aug 18, 2021 5:37 pm 
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Joined: Sat Oct 01, 2016 8:24 pm
Posts: 652
Just had the exact same issue - the cooler was leaking in multiple places on the right side end tube. There's some discussion along with repair here:

viewtopic.php?f=5&t=90463&start=328


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 Post subject: Re: What is causing this?
PostPosted: Thu Aug 26, 2021 7:42 pm 
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Joined: Sun Apr 27, 2008 2:14 pm
Posts: 221
thesameguy wrote:
Just had the exact same issue - the cooler was leaking in multiple places on the right side end tube. There's some discussion along with repair here:

viewtopic.php?f=5&t=90463&start=328

Yep. Cleaned the connections. It is the cooler itself leaking.

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


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 Profile  
 
 Post subject: Re: What is causing this?
PostPosted: Wed Sep 08, 2021 11:25 am 
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Joined: Sun Apr 27, 2008 2:14 pm
Posts: 221
Okay. Installing a Derale 13740 remote cooler just behind the transfer case with standoffs to permit plenty airflow. Installing the inline thermostat with the relay to power the fans.

Soooo…how do I know which line on the original cooler is the input and which is the output? I need to know so that I plumb the input to the thermostat side of my new remote cooler.

I will send pics when finished.

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


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 Profile  
 
 Post subject: Re: What is causing this?
PostPosted: Wed Sep 08, 2021 2:13 pm 
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Joined: Sat Aug 24, 2013 11:36 pm
Posts: 6209
Location: Central GA
Upper line on transmission is feed TO cooler,
Lower line is return from cooler.

See picture:

Image

_________________
Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Sasquatch BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 bld.fan/NAPAHDClutch
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 Post subject: Re: Finished - Remote Tranny Cooler Instal
PostPosted: Tue Sep 21, 2021 12:25 pm 
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Joined: Sun Apr 27, 2008 2:14 pm
Posts: 221
Perfect. So, I got the remote cooler installed. Wired the cooler thermostat through a switched 12V circuit. Plumbed the lines while abandoning the original cooler. Mounted the unit just behind the transfer case with all-thread and threaded rivets which made for a very solid mount.

I now want/need to install a gauge so I see the tranny temperature. Here are some pics.

Image
Image
Image
Image
Image
Image

Sooo....now, how and where do I install a temperature gauge ? Where do I connect it into the transmission?

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


Top
 Profile  
 
 Post subject: Re: Remote Tranny Cooler installed...Now-question.
PostPosted: Tue Sep 21, 2021 1:39 pm 
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Joined: Sat Aug 24, 2013 11:36 pm
Posts: 6209
Location: Central GA
Looks good! :D
Gauge: GlowShift transmission temperature gauge is a good choice: https://www.glowshiftdirect.com/transmi ... re-gauges/
As to temperature gauge sensor location, you several options.
1. drop stock OEM transmission oil pan, drill a hole in side of it and weld or bolt in a bung to screw in a gauge temperature sender like a GlowShift or one of the others.
https://www.glowshiftdirect.com/transmi ... apter-kit/

2. Replace transmission oil pan with an aftermarket oil pan that has the provisions for a gauge temperature sender already drilled and threaded.
----PML transmission oil pan is a good aftermarket choice, comes already drilled and tapped for gauge temperature sender and has a drain plug. See picture
----Geno's Garage is a good place to purchase one, they have the best price I have found.

3. install an inline transmission oil cooler line "Block" that allows you to screw in a temperature sensor. Summit Racing and some others sale the block and swagelok fittings for 3/8 line.
https://www.summitracing.com/search/par ... -manifolds
See pictures below.

Image
Image
Image
Image
Image
Image

_________________
Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Sasquatch BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 bld.fan/NAPAHDClutch
IronrockArms/wwdieselMount


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 Post subject: Re: Remote Tranny Cooler installed...Now-question.
PostPosted: Tue Sep 21, 2021 10:28 pm 
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Joined: Sun Apr 27, 2008 2:14 pm
Posts: 221
Thanks much. So selected a gauge with temperature sensor. Do you see any drawbacks with option #3? Would an inline sensor present any flow restrictions for the oil?

Also, after driving for 15-20 minutes the Remote cooler fans kicked on and later went off. The Derale sensor switch is set for 180 degrees. So I guess that means it is working properly.

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


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 Profile  
 
 Post subject: Re: Remote Tranny Cooler installed...Now-question.
PostPosted: Tue Sep 21, 2021 11:07 pm 
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Joined: Sat Aug 24, 2013 11:36 pm
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taroo wrote:
Thanks much. So selected a gauge with temperature sensor. Do you see any drawbacks with option #3? Would an inline sensor present any flow restrictions for the oil? Also, after driving for 15-20 minutes the Remote cooler fans kicked on and later went off. The Derale sensor switch is set for 180 degrees. So I guess that means it is working properly.

The one drawback to option #3 is; if you install the sensor in the oil line leaving the transmission and going to the cooler, the temperature on the gauge when the transmission is under load will be about 20-25 deg.s higher than what the temperature is in the oil pan. (Hottest value)
I have two (duel) sensors and a switch so I am able to compare temperatures in both locations on the fly when the fluid is at its hottest values when pulling a loaded trailer in hot 95+ ambient temperature conditions.
Before I added the deep sump PML oil pan, it was not uncommon to see fluid temperatures around 240 deg.s F in the oil line leaving the transmission when the transmission is under load in hot ambient conditions.

Image

_________________
Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Sasquatch BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 bld.fan/NAPAHDClutch
IronrockArms/wwdieselMount


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 Post subject: Re: Remote Tranny Cooler installed...Now-question.
PostPosted: Wed Sep 22, 2021 8:30 am 
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Joined: Thu Jan 10, 2019 10:05 am
Posts: 330
Location: Kennewick, wa
taroo wrote:
Perfect. So, I got the remote cooler installed. Wired the cooler thermostat through a switched 12V circuit. Plumbed the lines while abandoning the original cooler. Mounted the unit just behind the transfer case with all-thread and threaded rivets which made for a very solid mount.

I now want/need to install a gauge so I see the tranny temperature. Here are some pics.

Image
Image
Image
Image
Image
Image

Sooo....now, how and where do I install a temperature gauge ? Where do I connect it into the transmission?
That’s how I did one of mine, make sure to put the switch that turns on the fan on the inlet line not the outlet so it keeps the trans even cooler


Sent from my iPad using Tapatalk


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 Post subject: Re: Remote Tranny Cooler installed...Now-question.
PostPosted: Fri Sep 24, 2021 9:58 am 
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Joined: Sun Apr 27, 2008 2:14 pm
Posts: 221
WWDiesel wrote:
taroo wrote:
Thanks much. So selected a gauge with temperature sensor. Do you see any drawbacks with option #3? Would an inline sensor present any flow restrictions for the oil? Also, after driving for 15-20 minutes the Remote cooler fans kicked on and later went off. The Derale sensor switch is set for 180 degrees. So I guess that means it is working properly.

The one drawback to option #3 is; if you install the sensor in the oil line leaving the transmission and going to the cooler, the temperature on the gauge when the transmission is under load will be about 20-25 deg.s higher than what the temperature is in the oil pan. (Hottest value)
I have two (duel) sensors and a switch so I am able to compare temperatures in both locations on the fly when the fluid is at its hottest values when pulling a loaded trailer in hot 95+ ambient temperature conditions.
Before I added the deep sump PML oil pan, it was not uncommon to see fluid temperatures around 240 deg.s F in the oil line leaving the transmission when the transmission is under load in hot ambient conditions.

Image


Hhhmm. After more thinking and research, I will go with a bolt-on-bung to thread the sensor in. I totally respect your experience.

_________________
2005 CRD Limited
SEGR
WEEKS Kit (removed EGR, FCV),
Gen 2 Fuel Head
GDE Eco Tune
ARP studs
Etechno (7v) Glow Plugs
F37
Kap 193 thermostat
Carter Lift Pump (Modified wiring harness)
Fumoto (CRD-108)
Bypass oil filter (2 micron)
Samco
Provent
Sears P-1 Battery
Secondary 2 micron fuel filter


Top
 Profile  
 
 Post subject: Re: Remote Tranny Cooler installed...Now-question.
PostPosted: Fri Sep 24, 2021 1:22 pm 
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The bolt in bung in the stock steel pan will work.
But, IF you can afford it and want to put the icing on the cake so to speak, go for the aftermarket PML transmission oil pan.
It adds several additional quarts of ATF capacity, has cooling fins inside & outside the pan, and comes pre-equipped with a large drain plug and a pre-taped hole for a temperature gauge sensor.

Adding the PML oil pan really made a huge difference in lowering fluid temperatures while towing a loaded trailer versus the additional stacked plate oil cooler that I added much earlier.
And if you want the every best oil pan gasket on the market, opt for the "LUBELOCKER" transmission oil pan gasket, they are fantastic. https://www.lubelocker.com/collections/ ... e-llt-crfe

Image
Image

_________________
Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Sasquatch BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 bld.fan/NAPAHDClutch
IronrockArms/wwdieselMount


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