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Overheated engine
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Hrmn
 


Member Since: 14 Jan 2015
Location: Noord-NL
Posts: 14

Netherlands 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3
Overheated engine

We are on a holiday trip in Italy. Now we are waiting for the AA.
The engine is overheated just before the top of a pass at 1800 m.
Suddenly the temperature gauge went to top and the red light came up.
Before turning the engine of I drove 300 m. Then also the oil pressure light went on.
Steam came from under the hood. After cooling down I removed the engine cover, in the middle of the V it is wet. Filling up with water gives a sissing sound in the middle of the V.
When driving up the streep road the fan was working hard. It is 32 degrees Celsius and the Disco is fully loaded.
What could be the problem?

TDV6 HSE 2005 auto 330.000 km
  
Post #18443235th Aug 2017 4:02 pm
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Oswiperus
D3 Decade 


Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1590

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

I believe a plastic coolant pipe / water outlet from the block can fail at the front of the V.
 Stu

2016 D4 Landmark current
2022 Defender D300 SE Gone Sad
D4 2014 XS Commercial - Gone Sad
D4 2016 hse lux montalcino red - Gone
D3 2005 se java black - current
D3 2005 base manual - gone Sad
D2 1999 TD5 E white - current 
 
Post #18443715th Aug 2017 6:54 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8044

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Engine is now ruined I'm afraid Big Cry that last 300meters killed it.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #18443915th Aug 2017 8:15 pm
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Hrmn
 


Member Since: 14 Jan 2015
Location: Noord-NL
Posts: 14

Netherlands 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

The Disco is now in the workshop. Monday morning the 'll watch it. The water was coming out of the plastic parts / thermostat.
  
Post #18444225th Aug 2017 9:03 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8044

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

If the engine is rescued to the extent it runs keep a wary eye on water temp, water and oil levels. Usually when any engine has been severely overheated although the engine will run further damage may have occurred, cylinder head gaskets are the first to blow resulting in overheating, followed by distorted cylinders resulting in lose of power and excessive lose of oil, scoured cylinder liners ditto, it may even cause the turbo to fail prematurely.
This is one thing I always check for when buying a used car, although it is unusual for it to happen to an engine with a viscous fan, it is more predominant in electric fans that fail to cut in after a long winter of not operating.
Take it for a good drive before you set off on a long journey, good luck I hope it did not get hot enough to cause any of the above.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #18445296th Aug 2017 9:14 am
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12676

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

Could it not be the cylinder head gasket went, which would send temp high and drop oil pressure. It would potentially over-pressure the coolant and find any weak spots, so leak through plastic parts could be symptom rather than cause.
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #18445426th Aug 2017 9:45 am
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

I wonder if it was the same part that failed on angelfire's D3?

Click image to enlarge


And happened whilst up near the top of a mountain in Andorra in a thunderstorm. Recovery was all part of the adventure and certainly makes me think twice about going too far off the beaten track alone.

   
Post #18445456th Aug 2017 9:51 am
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Hrmn
 


Member Since: 14 Jan 2015
Location: Noord-NL
Posts: 14

Netherlands 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Yes it is the same part. It is not so wide open as on the picture. But we also did not smoke as much as in the video.
After cooling down the Disco started good to go on the recovery car. Oil level is good although it smelt burned. The oil was only 1000 km used.
  
Post #18445636th Aug 2017 10:33 am
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

Yep' af's failed good and proper.

As soon as af realised what was happening (due to radio calls) he shut down and kept her shut down. Was an interesting mostly downhill recovery, especially when we had lightning all around (us all with CB whips connected to boxes inside the cars) and hail. Needed hitched up to a car in front to get up a steep rise with the track covered in hail.

Click image to enlarge


She was left up the mountain at the ski station and repired in situ the next day. Well when you need good access you need good access!! Laughing

Click image to enlarge


Filled up with pre-mix coolant and off she went, none the worse for the event. Thumbs Up

Click image to enlarge
   
Post #18445676th Aug 2017 10:44 am
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Hrmn
 


Member Since: 14 Jan 2015
Location: Noord-NL
Posts: 14

Netherlands 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

That's aan bigger adventure than ours. Did you have a new part the next day high in the Pyrenees?
Or could you put the part together?
  
Post #18445736th Aug 2017 11:20 am
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

No was a 3 hour dash on rubbish roads and really bad weather that afternoon by another of our group Bow down Bow down to near Barcelona for a new part, and back to the campsite late that night. Thumbs Up
   
Post #18445786th Aug 2017 11:38 am
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Hrmn
 


Member Since: 14 Jan 2015
Location: Noord-NL
Posts: 14

Netherlands 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

It was the same part as at the picture. Also the fuel return was melted.
Now it is repaired but after the testdrive of the dealer the pressure in the cooling system is too high. They renewed again the fluid but it didn't help. So the conclusion is a blown head gasket.
  
Post #18453138th Aug 2017 5:30 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

Hopefully that's all. Sad
   
Post #18453148th Aug 2017 5:31 pm
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tayaste
 


Member Since: 15 May 2013
Location: Chester
Posts: 7633

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Excellent diagnosis Del Bow down Bow down

Guru Del.... Thumbs Up Could have a ring to it.
   
Post #18453278th Aug 2017 6:00 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72742

Ukraine 

Good guess from recent experience. Thumbs Up
   
Post #18453298th Aug 2017 6:04 pm
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