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MalteseRover



Member Since: 02 Jul 2013
Location: Gozo
Posts: 137
Malta 
coolant colour?

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Hi.

Seller of my 2003 td5 told me he had put texaco oat 50/50 coolant but the water in the reservior looked orange/greenish.

It has been around for nearly a month now. i am concerned it might be the cheap green coolant. i might flush system later on in JUNE. If it was cheap non OAT coolant would there be great damage done in the past few months?

I was at a texaco agent today and i asked if it could change colour and he told me that the red coolant changes colour to green when in engine.. is this right?

Thanks.

Please find attached a photo of some water in coolant cap. The seller did give me a half full coolant can with red coolant still in.
Post #623440 11th May 2017 4:31pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 932
Canada 2000 Defender 110 Td5 XS CSW Epsom Green
No it does not change colour unless it is contaminated with oil, or some other liquid (like green coolant). Any damage would be negligeable if it were only for a short period. The issue is that mixing these can cause the coolant to thicken and not circulate well. Clean it out, flush it and refill it properly as soon as possible. 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)

Last edited by 4RF RDS on 11th May 2017 6:05pm. Edited 1 time in total
Post #623448 11th May 2017 5:20pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 2164
2004 Defender 110 Td5 DCPU Epsom Green
+1 as above
Post #623458 11th May 2017 5:58pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1763
United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
The colour is often nonsense, as you can have coolants of all varieties dyed in all colours! The most reliable way is to flush and refill. Fortunately a td5 is a very easy engine to flush, unfortunately it takes about 14l to refill it Laughing
Post #623535 12th May 2017 12:18am
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MalteseRover



Member Since: 02 Jul 2013
Location: Gozo
Posts: 137
Malta 
my concerns are whether it is the glyco mix as used in older motors.. i have read it can destroy the oil cooler???

i will buy an OAT mix and flush. i am still wondering if i do a whole body lift to properly paint the chassis and do another flush there. i am not sure though. i dont want to spent too much money it takes a whole lot of coolant.

joseph
Post #623543 12th May 2017 4:09am
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