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Furnitureman



Member Since: 26 Jan 2021
Location: Leicestershire
Posts: 331

United Kingdom 2012 Range Rover Westminster 4.4 V8 Cairns Blue
Odd coolant behaviour

Last two mornings my low coolant warning flared up then almost immediately went away, after driving for 30 mins engine nice and warm I checked the level and it’s a good few inches below cold fill mark, then today I went to
Top it up and it’s at the bottom line if the cold fill mark, no leaks, new bottle is this normal [/img] 2012 Range Rover Westminster 4.4 TDV8
2006 Discovery 3 HSE 260k miles and still going strong with a new owner

Post #609162 14th Oct 2021 4:46pm
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nick4275



Member Since: 28 Sep 2018
Location: Bewdley
Posts: 51

United Kingdom 2007 Range Rover Autobiography TDV8 Zambezi Silver

I had this fault, turned out to be the coolant level sensor. It's stuck into the bottom of the coolant expansion tank on my TDV8 3.6, not sure if the 4.4 is the same. It was an easy fix, providing your hands resemble those of Snow White's buddys !

Post #609195 14th Oct 2021 7:00pm
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Furnitureman



Member Since: 26 Jan 2021
Location: Leicestershire
Posts: 331

United Kingdom 2012 Range Rover Westminster 4.4 V8 Cairns Blue

It’s not the fact I’m getting the message it’s that some days the coolant is inches lower than the low mark other days it’s ok, where is it going 2012 Range Rover Westminster 4.4 TDV8
2006 Discovery 3 HSE 260k miles and still going strong with a new owner

Post #609196 14th Oct 2021 7:08pm
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nick4275



Member Since: 28 Sep 2018
Location: Bewdley
Posts: 51

United Kingdom 2007 Range Rover Autobiography TDV8 Zambezi Silver

Ah, sorry, its been a long day !

(Apologies if I teach you to suck eggs at any point)

So assuming its not coming out of anywhere you can see. Is there any dodgy looking "mayonnaise" in the oil filler cap ?

Are you getting any white smoke out of the exhaust on a cold start ?

Can you perform a chemical sniff test at the coolant filler (cheap kits available for less than a tenner on eBay) - that's going to give you a clue if you've got any interaction between the water system and the combustion system - which hopefully you haven't !

Those are the quick tests, it gets a bit oily after that.

How many miles on the engine ?

Post #609199 14th Oct 2021 7:22pm
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Furnitureman



Member Since: 26 Jan 2021
Location: Leicestershire
Posts: 331

United Kingdom 2012 Range Rover Westminster 4.4 V8 Cairns Blue

No oily sludge, no white smoke I’ve had it pressure tested, just very odd one day the level
Is low the next spot on never too much just odd 2012 Range Rover Westminster 4.4 TDV8
2006 Discovery 3 HSE 260k miles and still going strong with a new owner

Post #609203 14th Oct 2021 7:40pm
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Discotigger



Member Since: 12 Feb 2013
Location: Cumbria
Posts: 804

United Kingdom 2012 Range Rover Westminster TDV8 Orkney Grey

I had a similar issue last year, where the coolant would be fine for a couple of days then would drop. There were no obvious coolant leaks but, whilst my indy mechanic was fitting new gaskets on the oil cooler, he noticed that a hose that runs to the EGR Cooler was badly perished and 'mushy'. He replaced that hose and the coolant level has been fine ever since.
When he did the oil cooler gaskets, I had asked him if that was where any coolant was leaking from and he said definately not, as any coolant leak from the oil cooler would have put water into the oil, giving the oil the 'mayonnaise' look.

Post #609211 14th Oct 2021 8:25pm
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Furnitureman



Member Since: 26 Jan 2021
Location: Leicestershire
Posts: 331

United Kingdom 2012 Range Rover Westminster 4.4 V8 Cairns Blue

My problem is it’s low one day then the next it’s ok so it’s not leaking as it wouldn’t return to normal very odd indeed 2012 Range Rover Westminster 4.4 TDV8
2006 Discovery 3 HSE 260k miles and still going strong with a new owner

Post #609260 15th Oct 2021 11:17am
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DeeJay



Member Since: 16 Oct 2021
Location: Western Cape
Posts: 34

South Africa 2011 Range Rover Vogue SE TDV8 Fuji White

Noticed the same on mine and find it very odd. Where would it be going? 2011 Vogue SE 4.4 TDV8

Post #609426 16th Oct 2021 8:47pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7876

England 2014 Range Rover Autobiography SDV8 Loire Blue

Yep, I'll join in... both of the ones I've had have done it... I put it down to one of those things....

Again, it says Range Rover on the front and back... need I say any more....

Just drive it and enjoy it... Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #609464 17th Oct 2021 10:10am
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