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28-04-2014
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Senior Newbie
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Join Date: Mar 2014
Posts: 80 What Jeep do I drive?: XJ
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after market trans cooler xj cherokee
I am replacing the factory trans cooler as it has seen better days, and the factory unit is really small. Do I connect it back up via the radiator as per factory specs, or should I just connect the new one directly to the tranny? Any feedback would be appreciated.
Cheers
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28-04-2014
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DetroitDemon
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Join Date: Jun 2009
Location: Casino
Posts: 4,801 What Jeep do I drive?: XJ
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Depends who you ask...
Also depends how efficient your cooler is and where you live too I suppose.
eg. With mine, it's too efficient, and won't let the trans over 50* unless it's worked very hard. So I'm thinking of running mine back through the radiator again, as I've by-passed it.
cheers
__________________
Last edited by bruggz351; 28-04-2014 at 09:35 PM.
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29-04-2014
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Senior Newbie
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Join Date: Mar 2014
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Quote:
Originally Posted by bruggz351
Depends who you ask...
Also depends how efficient your cooler is and where you live too I suppose.
eg. With mine, it's too efficient, and won't let the trans over 50* unless it's worked very hard. So I'm thinking of running mine back through the radiator again, as I've by-passed it.
cheers
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You are right, it depends on who you ask or on weather conditions. My tranny whilst in drive went back into neutral when stopping, bring the revs up and it goes back into drive. It only does it when the tranny and engine are warmed up and does not slip while under power. Tranny fluid level is fine, but the factory cooler looks very tired, and I will remove the AC cooler as I don't use the AC and should help with airflow. I reside in Victoria, not that cold in winter but does get hot in summer. I have a new starter motor coming and will do a full service on the tranny, filter kit and new fluid and fit the bigger new tranny cooler and bypass the radiator and see how it works, I have read many US post on this and when in warmer temperatures or towing a trailer upgrading the tranny cooler is a good thing to do, I am not sure about the service history of my XJ, and the tranny might just be in a need of a service, seeing my XJ has 300.000 K's on it. Besides that the XJ was a great bargain seeing I only paid $1500 for it and it even came with a RWC!
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29-04-2014
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Full Flexer
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Join Date: May 2009
Location: Vic
Posts: 630 What Jeep do I drive?: TJ
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I'm in Vic. Winter mornings can be around 0 degrees where I am so I simply got a larger cooler and fitted it as per factory. I have a temp guage too that i fitted the sensor on the return line. I fitted a B&M 70268 transcooler.
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06-05-2014
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Rock Munki
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Join Date: Mar 2008
Location: Kellyville NSW
Posts: 2,381 What Jeep do I drive?: XJ
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I did this, helped sort out my trany cooler configuration.
http://www.ausjeepoffroad.com/forum/...460#post940460
Good luck with it.
I also kept the Oem cooler and tan the power steering through it.
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Obd1 scanner.
'95 sport,4.6 stroker, 4.5" lift, 32"s, 4:10's, 8.25&SYE, taurus fan
Last edited by rainman; 06-05-2014 at 02:09 AM.
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08-05-2014
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I just registered
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Join Date: May 2014
Posts: 3 What Jeep do I drive?: XJ
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Tranny Cooler.
If your radiator is fairly old, then bypass it because if you get a leak in the cooler tube (in the radiator), then you can say goodbye to your transmission.
on my 1996 XJ, I have bypassed the radiator and connected directly to a 10" Davis Craig cooler with an 8" Thermatic fan. The fan is controlled by an electronic temperature switch (bought from Davis Craig as well). I can adjust the cut-in temperature to suit the type of driving I'm doing, weather, etc.
The whole thing has set me back around $400. My transmission is happy ... I'm happy.
cheers
Jaco
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