dazer200

dazer200

Well-Known Member
Hi guys, yes i know its been up before ! but did we ever agree on what anti freeze this engine should use ? LR and BMW did an update at some point ? some say blue some say red some say silicate some say OAT some say not some say G48 !

So my mind and brain whats left is going boom !

Are they alloy block or not ?

Any info thanked for in advance and hope this thread helps others as well.
 
It's always a good question. I use two types even though they are universal. Pink or yellow. I usually use the pink in bmws and vw/audis. The yellow in citroen and renault.
I've used pink in mercedes before without issues. My own p38 runs with pink and never an issue there either. Just don't mix types 👍
 
Cheers mate red it is ! thermostat change and also now egr cooler thermostat change, RR one £56 BMW Mayle £17 same part !
Looking at this ?
www.ebay.co.uk

Granville - 1021 - Rapid Cool Red Antifreeze Concentrate 5L 5020618010210 | eBay

Granville Rapid Cool Red Antifreeze and Coolant is an ethylene glycol based engine coolant concentrate, which uses Organic Acid Inhibitor Technology (OAT) and is free from nitrates, amines, phosphates, borates and silicates.
www.ebay.co.uk
 
I use this Blue stuff

1698661666516.png
 
I'm sure I've read somewhere, it's all backwards compatible.. new stuff comes out to tackle some new issue, but you can use it in older cars no problem.

Can't for the life of me recall where i saw that
 
kermit_rr said:
I'm sure I've read somewhere, it's all backwards compatible.. new stuff comes out to tackle some new issue, but you can use it in older cars no problem.

Can't for the life of me recall where i saw that
Click to expand...
The problem is some modern cars have a sensor in the header that checks not just the level of the fluid but the actual mix. Otherwise, any antifreeze with suitable corrosion inhibitors does the job. They are not all compatible with one another.
 
Datatek said:
The problem is some modern cars have a sensor in the header that checks not just the level of the fluid but the actual mix. Otherwise, any antifreeze with suitable corrosion inhibitors does the job. They are not all compatible with one another.
Click to expand...
The L322 being one of them.
 
backinblack said:
The L322 being one of them.
Click to expand...
No they don't its only a magnetic level, 2002-2005 actually use the same sensor as the screenwash level, theyre just a magnetic reed switch ita an on or off circuit,
They never actually come into contact with the coolant either,
 
Last edited:
stustrong said:
No they don't its only a magnetic level, 2002-2005 actually use the same sensor as the screenwash level,
Click to expand...
Are you sure about that? I seem to remember my mates L322 flagged up a coolant warning when the specific gravity of the coolant was incorrect after he filled up with water after a leak. Could be wrong, old age plays tricks with the memory.
 
Datatek said:
Are you sure about that? I seem to remember my mates L322 flagged up a coolant warning when the specific gravity of the coolant was incorrect after he filled up with water after a leak. Could be wrong, old age plays tricks with the memory.
Click to expand...
100% my td6 and current 4.2 sc (same bottle as the tdv8s) if you pull the sensor out you can trigger it on and off with a magnet 🤣
 
Coolant cold will have a level,
Coolant at running temperature has a level,
Only way a level will drop when its at temperature is an airlock,
Warm it raises the level slightly if anything not drop,
The difference between min and max is about 30mm on the level stick but the low coolant wont actually trigger till its well below the minimum,
 
stustrong said:
Coolant cold will have a level,
Coolant at running temperature has a level,
Only way a level will drop when its at temperature is an airlock,
Warm it raises the level slightly if anything not drop,
The difference between min and max is about 30mm on the level stick but the low coolant wont actually trigger till its well below the minimum,
Click to expand...
But if the specific gravity is wrong, the float may sink regardless of the level.
 
A quick Google produced this:-

According to official Land Rover Technical Service Bulletins issued in September 2003 and March 2005, the low coolant light coming on even when the coolant level is correct if the coolant specific gravity or viscosity is incorrect, causing false readings on the sensor. The correct specific gravity of a 50% coolant mixture of the approved coolants (see below) is 1.07.
 
stustrong said:
No they don't its only a magnetic level, 2002-2005 actually use the same sensor as the screenwash level, theyre just a magnetic reed switch ita an on or off circuit,
They never actually come into contact with the coolant either,
Click to expand...
Not according to my local indi. When I first got my L322 I had the warning a lot even though the level was correct. Once I increased the concentration the issue went and only came on at 75mph. Since increasing the strength a little more it's fine.
 
My td6 had a thermostat change and we just flushed the system with hose, then used normal orange OAT, long as it’s flushed then hardly any old stuff about incase it doesn’t like to mix, any will be ok on the td6.
 
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