 | Home > Maintenance & Modifications > Additional sandwich plate oil cooler on a Puma, anyone? |
 
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| 90 Dreamer Member Since: 13 Jul 2019 Location: Oop North Posts: 2163   
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Sump is probably one of the worst places to monitor oil temps IMO as it will be a low average at best…
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30th Jun 2024 9:31am |
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| andy63 Member Since: 30 Jun 2023 Location: north east Posts: 526
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I've got the 2.2tdci and the oil temp is available as standard on the likes of the torque app.. On a decent run tracelling around 60/70 I'd expect to see 104 to 106 degrees C.. With the coolant fluctuating from 90 to 96, deg..
I fitted a coolant level alarm in the top hose a few months back.. Seems to be doing the job on the odd occasion I've tested it.. Tried to mark it with a yellow mark in attached photo👍 It's an audible alarm and has a led that also flashes when activated.. There is a facility to switch whatever you want when the thing activates, but I've not used that..  Click image to enlarge |
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30th Jun 2024 9:03pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2420  
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I guess that is a D Craig coolant alarm.
Is oil pressure available on the 2.2? I guess on the 2.4 is not. Puma 110" SW ............................................................. Earth first. Other planets later |
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30th Jun 2024 9:37pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3418  
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I think its one sensor combining oil level and oil temperature.  1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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30th Jun 2024 10:29pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2420
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I believe only oil temp in the Defender 2.2 Puma 110" SW
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30th Jun 2024 10:33pm |
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| andy63 Member Since: 30 Jun 2023 Location: north east Posts: 526
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That's the name👍... Davies Craig... I couldn't remember it 😩😂 I've only got oil temp to display on the torque app.. As mentioned the sensor does report on oil level but that's not given in the data to display Oil pressure is not available either, or I've not got it.. Its one gauge I may get round to fitting👍 |
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1st Jul 2024 5:17am |
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| Crash7 Member Since: 21 Feb 2024 Location: South Posts: 31
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Some great info appearing on this thread
By the time the cylinder head sensor winds back your ECU, you will have circa 140-150 'c oil temps. - Low coolant alarm is a must IMHO, could those that have them provide images / info on the system? Alisport use this sensor in their tank, you need to connect it to a light / buzzer. https://uk.rs-online.com/web/p/float-switc...e&gb=s The lack of information provided by the Defender dash is woeful, the opportunities for the engine to lunch itself that could be avoided with basic temperature / level info. Some data, UK Defender, 20'c ambient / air temperature, altitude 200 ft above sea level. 60 mph in 6 gear, flat road, no load in the car, driver only, air con off. Water / coolant Temperature sits at around 96 - 99'c, with oil temperature at around 105'c. Fitting a lower temp thermostat (PEL500110) under the same conditions, coolant temp drops to around 88-89'c, however oil temperature stays at around 104'c. I like the water temperature with a low temp stat, given the rad airflow is blocked by an ac condenser and an intercooler the system seems to do a decent job. Not so much with the oil temperature, even though the water temperature dropped circa 8 degrees, oil temp dropped 1 degree. As soon as you start adding load, higher ambients and spirited driving the oil temp climbs. This i feel is due to the engine oil cooler being a very small plate heat exchanger with not enough surface area to bring about the change. It appears that Defenders in standard trim in non arduous conditions are seeing circa 106 degree oil temps, I would ideally prefer to be around 92 degrees, most agree that 110 is the about as high as you would want to go, there is a reason that most oil stats operate between 82-92 degrees. |
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1st Jul 2024 4:36pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2420
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I use the "enginesaver.com" type.
140-150C is way above accepted running temperature for engine oil. 107C is about the limit AFAIK. Probably the only way to go (for a non DPF vehicle) is to switch to M1 Ow40 or the like during summer time. Puma 110" SW ............................................................. Earth first. Other planets later |
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1st Jul 2024 4:50pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3418
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Unsure how much oil goes through the turbo, but guess that must get pretty hot since the turbo is not water cooled. If enough oil is flowing, perhaps a cooler in the turbo drain is not a bad idea. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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1st Jul 2024 5:08pm |
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