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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2255

Chile 2007 Defender 110 Puma 2.4 SW Chawton White
Oil cooler keep failing
Hi

Not me, but another chap with a 2.4 110 2010 and 190.000 km on the clock. He is in his 4th oil cooler. 2 first were original LR branded. Last 2 were unbranded and cheap.

First one lasted around 100kkm.
2nd about 80kkm
3rd about 8kkm
4th about 2kkm

The last 3 oil coolers failed when pushing hard the enginne but under 3500 revs. Since new using 5w-30 oil

I was thinking the oil pump relief valve could be the issue?

Any further feedback much appreciated.

PD. What is the max oil pressure figure for the 2.4 tdci? Puma 110" SW

.............................................................
Earth first. Other planets later
Post #780729 8th Jul 2019 9:11pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2255

Chile 2007 Defender 110 Puma 2.4 SW Chawton White
No one Shocked Puma 110" SW

.............................................................
Earth first. Other planets later
Post #780871 9th Jul 2019 7:06pm
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mick



Member Since: 08 Feb 2010
Location: Yorkshire
Posts: 2109

England 2010 Defender 130 Puma 2.4 HCPU Rimini Red
I’ve just replaced the thermostat in my oil cooler as it was leaking coolant and it didn’t have the thermostat in from new,so maybe leave the thermostat out.
Post #780882 9th Jul 2019 8:19pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2255

Chile 2007 Defender 110 Puma 2.4 SW Chawton White
I was not aware there was a thermostat in there! Puma 110" SW

.............................................................
Earth first. Other planets later
Post #780900 9th Jul 2019 10:05pm
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Phil VM2.5



Member Since: 28 Mar 2012
Location: Limelette
Posts: 196

Belgium 2012 Defender 110 Puma 2.2 SW Keswick Green
Hi,
Sorry, I can not help you.
175.000km, I do not even know where it is.

I hope you find the reason
Philippe current : defender 110 sw 2.2 puma 2012 and 230.000km today and
again my Range Rover VM2.5 engine from 1992 and 528.000km today.

One ten 1988 to 1992
1987 BMW GS80
One Ten from 1984 to 1987
One Ten from 1983 to 1984
Serie 3 109 from 1980 to 1983
from 1974 Jeep CJ3B and CJ6
Post #780906 10th Jul 2019 4:53am
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lohr500



Member Since: 14 Sep 2014
Location: Skipton
Posts: 1277

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Santorini Black
Found this on a Ford Transit forum regarding the 2.4 Puma :

My oil pressure @ idle is ~30-35psi when cold....TBH...it doesn't change much even when warm, maybe 2-3psi or so. Ford's spec for min oil pressure @ idle is a tad over 18psi, and 29.4psi @ 2000rpm.

I have no idea if the details are correct.

Not sure if engine oil pressure is reported through the OBD diagnostics or not, but if so, you could check the pressure and compare to the numbers above. Or if not, temporarily fit a pressure gauge with a tee piece into the oil pressure warning switch location.
Post #780921 10th Jul 2019 7:10am
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Big Harold



Member Since: 09 Jul 2018
Location: nsw
Posts: 71

Australia 2015 Defender 130 Puma 2.2 HCPU Alpine White
My 2.2 oil pressure is;
Idle cold 48 psi
Idle hot 24 psi
2400 rpm hot 54 psi
ECU will not read oil pressure.
I have fitted an oil filter adapter which has pressure and temp.
Mark
Post #780928 10th Jul 2019 8:37am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2579

South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
Wow, that is a lot of oil cooler failures for that vehicle. I've never heard of failures on that component before, so there must be something strange going on.

FYI, on my 2010 2.4, the oil pressures are:

cold idle: 5.4 (winter) - 5 (summer) bar
hot idle: 1.6 bar
hot under load (120kmh/2500rpm): 4.5-5 bar --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
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Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #780931 10th Jul 2019 8:53am
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2255

Chile 2007 Defender 110 Puma 2.4 SW Chawton White
That is good data Thumbs Up Puma 110" SW

.............................................................
Earth first. Other planets later
Post #780960 10th Jul 2019 12:42pm
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Fernando



Member Since: 25 Oct 2017
Location: CABA
Posts: 84

Argentina 2008 Defender 110 Puma 2.4 SW Bonatti Grey
What is the symptom, throw the oil?
Post #781230 12th Jul 2019 11:13am
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2255

Chile 2007 Defender 110 Puma 2.4 SW Chawton White
Exactamente Puma 110" SW

.............................................................
Earth first. Other planets later
Post #781235 12th Jul 2019 12:30pm
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Ontdekker



Member Since: 25 Nov 2009
Location: Centurion
Posts: 11

South Africa 2010 Defender 110 Puma 2.4 CSW Chawton White
Naks wrote:
Wow, that is a lot of oil cooler failures for that vehicle. I've never heard of failures on that component before, so there must be something strange going on.

FYI, on my 2010 2.4, the oil pressures are:

cold idle: 5.4 (winter) - 5 (summer) bar
hot idle: 1.6 bar
hot under load (120kmh/2500rpm): 4.5-5 bar


That corresponds to my readings of my 2.4 as well with the Madman system
Post #781242 12th Jul 2019 1:49pm
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