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glassman



Member Since: 30 May 2025
Location: Cape Town
Posts: 13

South Africa 
Puma 2.2 high oil temperature
Hi folks, I’m looking for some help re high oil temperature on my 2014 110 Puma 2.2. I posted a while back while on a trip after I picked up an oil temperature of 134C using a dongle plugged into the OBD port. I completed the trip managing the oil temperature to a max of 125C.

Throughout the trip the water temperature remained fine. Between 87C and 94C… the latter only when slowing down after some hard driving.

I have since removed the CAT (no DPF here is South Africa) and the EGR system is removed and blanked off.

I can get the oil temp up to 120C by simply pushing the vehicle on the freeway – without load.

Today I removed the oil cooler (there was no thermostat on this model). The only concern I have is how hard it is to push water through the oil cooler. Even blowing air through the cooler (coolant side) requires some force. Is this normal?

I haven’t opened the cooler as I don’t have a new seal… perhaps I should...

Will post some pics for info.

Appreciate any comments.
Post #1077334 12th Oct 2025 4:01pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2526

United Kingdom 
There are a couple of members on here that have changed out their oil cooler from the cartridge type to the metal canister type. Therefore they may still have the original one and can test how restrictive coolant and airflow are through them.

Hopefully they will read this topic and comment.
Post #1077337 12th Oct 2025 6:02pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 834

United Kingdom 
Ive not done a conversion from paper element type filter to metal cartridge type but i dont think you need to remove the oil cooler to do the conversion..
Reading the op's post it does sound like the oil temp should be lower with coolant temp in the range stated..
So either the cooler isnt working as it should or something is heating the oil more than it should.. whats the exhaust temp ..can you monitor that ?
Post #1077341 12th Oct 2025 6:33pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2526

United Kingdom 
One thought is there is a restriction in the oil cooler, preventing the coolant from cooling the oil. Hence the OP stating even blowing air through the cooler seems to show a heavily restrictive flow, if you have your old one can you test water and air flow through it, the restrictive flow may be normal so it’s good to discount that as an issue if you can.
Post #1077347 12th Oct 2025 7:16pm
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glassman



Member Since: 30 May 2025
Location: Cape Town
Posts: 13

South Africa 
Thanks for the responses. I'll see what a new unit costs and if available here.

Still hoping someone with an existing unit can check if the coolant through flow is restricted.

I don't have an EG temp monitor. Only have monitoring through the OBD port. I know EG temp is a critical issue... what options might be available for this?

Trying to add pics again...
Post #1077379 13th Oct 2025 9:42am
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3640

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
I use CarScanner software (iOS), and can read what is probably is an exhaust temperature. I am unsure if they are called Catalyst temperature.

I have never monitored oil temperature, but something I can check. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1077383 13th Oct 2025 11:29am
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 834

United Kingdom 
My app is the torque pro.. on the 2.2 there are 3 temp probes on the exhaust and if memory serves me correctly i could view two of them when they were fitted..if you have had egr delete etc you likley wont be able to monitor the fitted temp probe you have on any reader..
The torque app def displays oil temp ..its one i monitor alongside the coolant temp..
Post #1077386 13th Oct 2025 12:06pm
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glassman



Member Since: 30 May 2025
Location: Cape Town
Posts: 13

South Africa 
Thanks Dinnu. Yes, I also use Car Scanner. I checked for exhaust temp and Cat temp but the display value never changed. I'll try again. If you get a chance, please send a pic. Also would be great to hear what oil temp you get.

Thanks Andy. I didn't have to delete the EGR as such. Physically removed it and deleted the error code... but didn't need to "map" it out.

Is the attached pic the Torque Pro app? I'll give it a try.

I wonder if this being an SA model whether these probes are included. I'll do some digging.
Post #1077390 13th Oct 2025 12:39pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 834

United Kingdom 
Yes thats the app i use.. the pro isa few pounds but its a one off and not a lot..
Ill attach a photo or two of the pages i usually monitor ..
You wont see exhaust gas , but i used to get two values displayed when i had them active ..they were monitoring the dpf ..before and after i think..so maybe it will display the cat bank sensor temp for you. If its not deleted..
Im fairly certain over here if you just blanked the egr valve it would throw codes and possibly run not so well as an operating egr valve contributes to cylinder charge and would be tied in with mass air flow ..etc..so yours must be different..



Click image to enlarge




Click image to enlarge
Post #1077392 13th Oct 2025 1:02pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3640

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
glassman wrote:
Thanks Dinnu. Yes, I also use Car Scanner. I checked for exhaust temp and Cat temp but the display value never changed. I'll try again. If you get a chance, please send a pic. Also would be great to hear what oil temp you get.

Thanks Andy. I didn't have to delete the EGR as such. Physically removed it and deleted the error code... but didn't need to "map" it out.

Is the attached pic the Torque Pro app? I'll give it a try.

I wonder if this being an SA model whether these probes are included. I'll do some digging.


Just bear with me that my Defender is not my daily driver... and given my location, my trips are relatively short. But will do one of these days.

I am very sure that I monitored one of the exhaust sensors, which was scary high when pushing it a bit up an incline on 5th. Your location is SA - is that not a ROW spec? So that could be Euro4 2.2 without DPF, and so no temperature sensors? 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1077400 13th Oct 2025 2:10pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 21012

United Kingdom 
The 2.4 has a CHT Sensor, I know yours is a 2.2, which I think is slightly different but are you sure the sensor isn’t putting out false readings?

There are also two thermostat types iirc, one of which has a lower temp cut in than the other.

Sometimes this is due to being designated for different worldwide markets and regional conditions, fuel quality, high temp or low temp countries etc.

Most info for should be available on here.

If you have any type of higher level tune, an upgraded rad is worthwhile.
The factory set up can handle a basic tune, but beyond that bigger is better for cooling. ____\We|Will|Win/___
____/🇬🇧🇺🇸\____
_//*⛽️🛢️⚙️🧰*\\_
Post #1077426 13th Oct 2025 9:48pm
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glassman



Member Since: 30 May 2025
Location: Cape Town
Posts: 13

South Africa 
Thanks all.

Definitely no thermostat in the oil cooler. Also, I took the vehicle to a tuning place who confirmed that there was no remap... which I'm inclined to believe.

A faulty oil temp sensor is possible but the reading from it at ambient is correct and it rises at the expected rate. Also, what made me look at the oil temp was what I thought was a rather hot engine bay after a hard drive.

Anyway, the key is whether the cooler is working and everyone I ask expressed surprise as the restriction of the coolant flow. I can't see the logic of the coolant flow being restricted - so surmise that the cooler is blocked.

I'll replace the cooler in the next few days and report back.
Post #1077441 14th Oct 2025 9:00am
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Johan_B



Member Since: 20 Sep 2024
Location: Gothenburg
Posts: 158

Sweden 2007 Defender 110 Puma 2.4 CSW Tonga Green
If it is restricted by design, one reason could be to balance the coolant flow throughout the system. Removing the restriction would increase the flow over the oil cooler but reduce it somewhere else. Assuming the cooler is in parallel with other flows. I am just guessing here but that could be a reason.
Post #1077456 14th Oct 2025 10:45am
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3640

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
Found this - Ford Transit forum: https://fordtransit.org/forum/viewtopic.php?p=1859587

One one of the posts he says "have circulate water throw the oil cooler and its good".

Not sure if it helps, as he still had high oil temperature. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1077459 14th Oct 2025 11:39am
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 834

United Kingdom 
The oil cooler is on its own circut.. the manifold that feeds the engine block has a pipe coming off it at the back end od the engine.. that feefs the oil cooler and feeda back into the return side of the pump from the cooler..
As i sais im in the habit of quite often looking at live data whilst driving..
I replaced all my engine hoses a year or so back with silicone hoses..one thing i remember thinking at the time was my engine oil temp was i thought a degree or so higher than normall with the old rubber hose
in similar conditions , but didnt give it a great deal of thought as it still wasnt going high.. 104deg c to 110 at the top end were what i seem to remember asbeen about average fully warmed and crusing in 6th..
Post #1077466 14th Oct 2025 1:13pm
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