Which coolant and why is the coolant set to minimum?
Hello.
I happened to notice while looking in the engine compartment that the coolant level in the coolant reservoir was below the minimum level. Is this normal? I thought the system would indicate something like this? Or are there no sensors for the coolant? See picture.
2nd question: Which coolant can you recommend for my Audi A4 b8 1.8 automatic? Is it enough if I top up or does the fluid have to be completely changed?
(1 votes)
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You’d better go to the workshop. They have special tools with which the tightness of the system can be tested. For this purpose, an air pressure is built up which should remain constant for 30 minutes. The workshop can also fill the system professionally.
The system consists of rubber hoses which are not 100% dense. These have allowed the property with time humidity through. By changing the operating conditions from cold to warm and again to cold, some coolant can escape with time. The sensor sits a little deeper and only strikes alarm when the container is almost empty.
But you can also disguise the system yourself. You buy a bottle of coolant with the standard G12 and depleted water in the retail trade. You fill both in a ratio of 50% to 50%.
Hello
Fill in cold condition up to between min and max. Occasionally check in the cold state, it decreases, to drive friendly.
Greetings
The sensor sits a little further down, as it is just under a minimum, it is not a danger yet.
Whether this is normal, the running performance is due to the fact that relatively new cars up to 60,000km can still be left in the system. Of course, something could also be leaky, usually the coolant pump or a coolant flange, therefore simply fill up to maximum and observe. Should the coolant disappear relatively quickly to the workshop, leave prints and see where the coolant comes out.
On the container you will find the inscription G12 that is the specific coolant what is on it, you will actually find everywhere.
Can also google after freezing protection G12 and find a thousand things. Personally, I wouldn’t just tip the concentrate on it, otherwise your frost protection will be changed, calmly mix with distilled water and fill it up. Distilled water does not necessarily have to but it Schütz additionally before calking the system.
with kind regards
Jap.
Wrong.
Because of my over 20 years of engineering work at the Ford Development Centre, I know that excl. use the coolant prescribed by the manufacturer undiluted to. As long as no water is added, nothing can cool.
After loss of coolant due to a leak in the cooling system can be used as an emergency solutionto get to the next workshop from its own power and to have the cooling system tested and repaired there. The “coolant” should then also normally be completely renewed.
If only water is used as a coolant, rust and lime are formed in the cooling system. In addition, for example, the “water pump cover” can get holes by washing out and thus lead to loss of coolant. If such a “water-cooled” engine is not used for a few weeks, the “water pump” can even solidify, which can lead to greater engine damage. The coolant prescribed by the manufacturer prevents such a thing when used as intended.
Better keep the knowledge with Ford. This is an Audi and has a different standard. The G12 coolant is available in two different varieties on the market. The favorable concentrates, which also have a VW release. These are actually diluted with uninstalled water. The ratio is also indicated on the bottle. In the finished mixtures, the coolant is offered ready for use. So the user can easily refill it.
With your 20 years of professional experience, you should know that the Ford Galaxy with the 1.9 TDI has this coolant G12 and the mixing ratio on the coolant bottles is specified. The coolant naturally complies with the requirements of the manufacturer.
Also not quite right, your frost protection curve decreases with too much water or too much frost protection. You have optimal conditions with either 60:40 water to frost protection or Also goes 50:50 to have a value of -25 or -40. I work at Vw and according to the manufacturer’s specifications, we should give 60 parts of distilled water to 40 parts of frost protection. We may have different manufacturer specifications. The water is used for cooling, the antifreeze is used for preventing corrosion, lime, freezing and lubricating the coolant pump, and the antifreeze also serves a little for cooling, but water still cools best.
with friendly greeting
Don’t go anymore – I’m a pensioner now…
What kind of standard are you talking about – DIN, ISO or Audi?
What so many questioners might already overwhelm.
In my eyes, it’s more “idiot-proof” than panicking yourself…
These were also VW engines…
It will be: different manufacturer specifications.
Since I had the “Ford glasses” for over 20 years, I only know the finished mixtures prescribed by Ford. You don’t have to touch yourself – bottle, fill in, finish.
If I look at some of these questions here, I think this is the better way. Some questioners here are apparently already overwhelmed with the indication of the mixing ratio…
There are no sensors when it is under min. Of course, you have to look at what it looks like. What you need for your car is already on the container, namely glysantin g12. You can either tilt with coolant or also desti water.
Normal would be if you were to refuel at the latest every third time, see if
Do not know me with Audi – but every car is delivered with a manual – and DA stands in what a coolant and how much. There is also in it which brake fluid, which hydraulic oil recommends for the servo steering, which and how much engine oil, which gear oil and differential oil, filling power of the battery and tire pressures of the manufacturers. And you should stick to it…