Home > Maintenance & Mods (L405) > Coolant Leak |
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AnotherMutley Member Since: 16 Jan 2017 Location: Kent Posts: 400 |
I've got the same issue, waiting to go into the Dealers again, main culprits seem to be Thermostat Housing and/or seal, or Oil Cooler O Rings.
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27th Mar 2021 3:26pm |
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RR1234 Member Since: 29 Apr 2013 Location: Northern Ireland Posts: 55 |
Thanks this is really helpful. I don't smell anything and i suspect it is deeper in the engine bay. Probably a seal as you mention. I'm not gonna unleash my motor mechanic ignorance on the RR! Too expensive for me to muck around. I'll get the RR checked out by the local dealership asap and in the meantime keep the reservoir topped up.
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27th Mar 2021 4:00pm |
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RR1234 Member Since: 29 Apr 2013 Location: Northern Ireland Posts: 55 |
I intended to reply sooner but got distracted by life and the onset of early dementia I guess! The issue was a leak from the oil cooler and thermostat hosing. I replaced the housing and cooler along with water pipes and gaskets etc. An eye watering £1,850 plus VAT to sort. Thankfully the problem has been solved and going a treat since. |
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20th Aug 2021 3:23pm |
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jagracer Member Since: 14 Aug 2021 Location: Norfolk Posts: 113 |
I saw a new cooler on Ebay yesterday for £102. Pretty pricey labour then! |
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20th Aug 2021 7:30pm |
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Merchy Member Since: 14 Feb 2021 Location: North Wales Posts: 1172 |
About £2220 'all in' for fixing the water leak, by a main stealer
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20th Aug 2021 8:54pm |
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Pat Member Since: 20 Nov 2016 Location: Airdrie Posts: 54 |
Hi I have had a coolant leak since February. 2021 I am adding 1 litre of coolant every 500mls Had car into a reputable RR garage. They said the did pressure test for 1 hour took car on 20 mile run and still could not find it To date I have added 11 litres. I'm at loss as to what to do now |
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9th Oct 2021 6:36pm |
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TJH1985 Member Since: 11 Feb 2015 Location: Nottingham Posts: 664 |
We had the same thing with ours and several visits to the main dealer, passed pressure tests etc.
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9th Oct 2021 6:54pm |
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Pat Member Since: 20 Nov 2016 Location: Airdrie Posts: 54 |
Thanks for that I will investigate further |
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10th Oct 2021 2:42pm |
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northernmonkeyjones Member Since: 24 Mar 2012 Location: derby Posts: 8493 |
CTC did a post on it a while back, there is a cheap way of fixing it iirc….
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10th Oct 2021 3:42pm |
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nambFFRR Member Since: 06 Aug 2018 Location: United Kingdom Posts: 191 |
Oh damn.....just read this. Mines in the dealers with the same symptoms. Its under extended warranty but I can see an argument brewing whether the pipes are covered! L405 2016 4.4SDV8 Autobiography Corris Grey/Pimento - Current
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6th Jun 2024 2:27pm |
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TJH1985 Member Since: 11 Feb 2015 Location: Nottingham Posts: 664 |
Extended warranty did our old one
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6th Jun 2024 3:29pm |
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nambFFRR Member Since: 06 Aug 2018 Location: United Kingdom Posts: 191 |
Oh good…..fingers crossed for me then! I should find out in the next day or so…. L405 2016 4.4SDV8 Autobiography Corris Grey/Pimento - Current
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6th Jun 2024 10:56pm |
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nambFFRR Member Since: 06 Aug 2018 Location: United Kingdom Posts: 191 |
Work has been approved and covered under the JLR Extended Warranty. Should get the car back by the end of the week👍 L405 2016 4.4SDV8 Autobiography Corris Grey/Pimento - Current
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12th Jun 2024 4:03pm |
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