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Home > Technical > Added transmission cooler? |
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ricky64 Member Since: 29 Mar 2015 Location: wolverhampton Posts: 141 |
Auto or manual ?? The auto should already have one |
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1st Apr 2017 1:50 pm |
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Walruslike Member Since: 08 Sep 2016 Location: Australia Posts: 47 |
Ah thanks for that Ricky. Yes it's a Auto so it must have one... I'm not much of a mechanic so wasn't confident in my inspection.
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1st Apr 2017 9:31 pm |
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ricky64 Member Since: 29 Mar 2015 Location: wolverhampton Posts: 141 |
Its found just forward of the auto box, follow the pipework and you should find it, its quite a small unit and it shouldn't be too difficult to fit a larger one from another vehicle, check yours isnt caked in mud or other foreign matter that may reduce its efficiency. |
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1st Apr 2017 9:46 pm |
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Walruslike Member Since: 08 Sep 2016 Location: Australia Posts: 47 |
Ah thanks again... good tips, I will do that. Any opinions on whether those temps too high? |
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1st Apr 2017 11:01 pm |
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Stuartc Member Since: 01 Dec 2014 Location: Perth, Australia Posts: 2292 |
Firstly, the ATC heat exchanger is AT oil to coolant. Cleaning it will make no measurable difference.
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2nd Apr 2017 1:18 am |
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TXFireblade Member Since: 30 Apr 2013 Location: Houston Posts: 43 |
What tool are you using to read the transmission temp? I've got Dash Commander but that isn't one of the supported PIDs. Thanks |
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2nd Apr 2017 5:06 am |
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Walruslike Member Since: 08 Sep 2016 Location: Australia Posts: 47 |
A very knowledgable long time user here called Alex_pescaru gave me the PID info required so I put that in as a user defined PID.
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2nd Apr 2017 6:42 am |
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Walruslike Member Since: 08 Sep 2016 Location: Australia Posts: 47 |
Ok thanks.... but by the time the engine is in limp mode then the transmission oil has been excessively heated and therefore degraded... I would prefer to be able to avoid that scenario. Has anyone here ever put an additional cooler on? |
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2nd Apr 2017 9:47 am |
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EYorkshire Member Since: 18 Nov 2010 Location: (!) Posts: 4392 |
I have the SD4 and tow 1400kg, last 3 years extensively into Europe, at times the outside temperature being low 30's centigrade and the car has not complained once regarding transmission or engine cooling. I believe 194 fahrenheit is not something to worry about, but maybe ensure the auto box is 'locked' into an appropriate gear manually when under load in very hot ambient temps, rather than risking a lot of transmission oil slip in auto mode at lower revs, you will see this 'slip' noticeably on the rev counter. |
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2nd Apr 2017 10:47 am |
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Walruslike Member Since: 08 Sep 2016 Location: Australia Posts: 47 |
Thanks that's very re-assuring. Yes I always use sport mode to keep it in lower gears and if necessary use controlled shifting. |
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2nd Apr 2017 8:09 pm |
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juarodri Member Since: 01 Sep 2015 Location: Argentina Posts: 48 |
Hi there, what's this PID about? You can get a sensor reading "manuallly"? That's what you're doing? |
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3rd Apr 2017 4:57 pm |
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Andy131 Member Since: 09 Dec 2009 Location: Manchester Posts: 2175 |
From memory the transmission oil is "cooled" by the engine coolant - it's an oil/water heat exchanger.
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18th Apr 2017 6:40 pm |
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Walruslike Member Since: 08 Sep 2016 Location: Australia Posts: 47 |
[quote="juarodri"]
No you don't get the reading manually... the app has a section that lets you add in PID details manually. So the app doesn't know what PID to request to get say the gearbox temp of a Freelander2 but we do... so we tell it the details and now it can display that reading alongside all the ones it knew about out of the box. @Andy131... Thanks that is reassuring to hear. |
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19th Apr 2017 2:31 am |
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juarodri Member Since: 01 Sep 2015 Location: Argentina Posts: 48 |
Thanks mate, that's really interesting. What OBD cable do I need to use this OBD Fusion app you mentioned?
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19th Apr 2017 11:42 pm |
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