Member Since: 16 Nov 2017
Location: Staffordshire
Posts: 92
Top Hose Failure
Arrived home last night with "Low Coolant Level" flashing at me intermittently and a lot of steam coming from under the bonnet, with that lovely cooking anti freeze smell. Rang LRA and had an engineer booked for this morning, when he arrived immediately diagnosed a split top hose ( LR095544) the one that goes from top of rad & under the plastic engine cover to top of heads.
No hoses available local to me
Sourced one at a dealer 40 miles away, collected and fitted within 3 hours
Different protective braid design on the new one , much longer run and slightly different angle of hose, clearly LR have had issues with these being worn away by the plastic cover.
Delighted with service and attitude of LRA engineer.
21st Dec 2017 2:05 pm
teddy
Member Since: 22 Jul 2017
Location: suffolk
Posts: 72
Had this happen to me 2 days ago. Hose had worn through from wearing on the engine cover, engine got hot (not on the gauge - I do keep an eye on it) and it blew the plastic fitting off from where the hose joins the top of the engine. Low coolant light only came on once hose had blown.
Luckily I was 500 yrds from work car park where there is a mechanic in the next unit so managed to get hose sent from Cambridge LR next day and fitted yesterday and system filled up and bled.
I wonder how many more of these will go on similar age/mileage D4s? Mine is 09 reg with 104k.
4th Jan 2018 1:26 pm
DiscoJeffster
Member Since: 27 Feb 2016
Location: Perth
Posts: 204
Having been informed of this issue recently by another who’s had worn through, I cut back the engine cover on mine and when doing the coolant service this week, replaced that hose and the plastic engine outlet it connects to (also known for splitting). Mine had a small cut down to the first layer of webbing.
5th Jan 2018 2:21 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73085
Any pics of where I need to look to see if pipe is ok, which bit to remove and trim etc?
5th Jan 2018 10:10 am
DiscoJeffster
Member Since: 27 Feb 2016
Location: Perth
Posts: 204
Here
5th Jan 2018 10:28 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73085
Willl have a look.
5th Jan 2018 10:33 am
teddy
Member Since: 22 Jul 2017
Location: suffolk
Posts: 72
This was the state of mine.
5th Jan 2018 10:40 am
crip010
Member Since: 01 Oct 2014
Location: Twickenham
Posts: 433
Just checked mine, ordering a new hose now
Thanks for tip
5th Jan 2018 12:08 pm
BJT
Member Since: 16 Nov 2017
Location: Staffordshire
Posts: 92
teddy wrote:
This was the state of mine.
That's exactly how mine looked, well worth checking irrespective of age or mileage .
5th Jan 2018 12:43 pm
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20841
Its a pressurised system and water will take the path of least resistance. You will loose coolant until the pump can no longer circulate it.
I suffered the same thing after a service when the engine cover wasn't replaced correctly though luckily I noticed the wear just before it went right through. LR said the top hose wasn't available separately and wanted a huge amount of cash for a spaghetti hose assembly but the indy got the top hose on its own.
5th Jan 2018 2:20 pm
robpenrose
Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2138
I just meant you wouldn't lose much coolant if you were to change it out as its high up. If you were to change a lower hose, the hole system above that point you try to empty itself.
Just checked mine. All clear and no sign of any witness marks.
Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES
5th Jan 2018 2:37 pm
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
I wonder whether sudden and massive coolant loss on a red hot slightly sensitive engine will hold any issues for the future?
5th Jan 2018 3:01 pm
Jubbly
Member Since: 20 Nov 2016
Location: Stourbridge
Posts: 401
might it be worthwhile just wrapping some of the black hose repair tape to prevent this instead of ordering a new hose?
I'm talking about owners with hoses not yet split.Jaguar I-Pace HSE imminent.
Gone HSE with Flappy Paddles. IID BT tool. RLD Spare Protector, Altox GPS.
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