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Radiator internal blockage
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wacc
 


Member Since: 26 Feb 2008
Location: Cope NSW
Posts: 45

Australia 2008 Discovery 3 TDV6 SE Auto Alaska WhiteDiscovery 3
Radiator internal blockage

I hear that after about 10 years the radiators on Disco 3 can block internally causing overheatingand engine damage. Anyone else heard of this issue? Disco 3 and a Bushtracker that's heaven on earth!!!  
Post #180524119th Apr 2017 12:14 am
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garrycol
 


Member Since: 06 Dec 2010
Location: Canberra
Posts: 1130

Australia 

Nope - never heard of it - mine is 10 years old and still going well.  
Post #180524719th Apr 2017 2:56 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

I think thats and old thing from many years ago when people thought anti freeze additives lasted forever, so long as you change the coolant as its reqd I cant see any issues.
Often see trucks at work with well over 700k on original rad and I can tell you they never get new coolant unless something fails!  
Post #180525919th Apr 2017 6:16 am
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jonesy63
 


Member Since: 17 Oct 2006
Location: Didn't we have a lovely time, the day we went to ...
Posts: 848

Australia 2011 Discovery 4 TDV6 Base 7 Seat Auto Fuji WhiteDiscovery 4

I suspect the real cause is the external fins of the radiator clogging up with mud - which seals them really well!

A while ago, I took the winch off to sort out an issue, so took the grill out and cleaned out the radiator while I was there. It took about 20-30 mins of hosing to get all the caked-on mud out! Smile

Cheers,
Rob

P.S. My mechanic mentioned that at about 200,000km+ he's seen overheating around cylinder 6 - he thinks it was from the external fins being clogged from mud.  
Post #181672719th May 2017 11:05 am
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