Cold TemperaturesĬoolant has a high percentage of water in it, so temperature affects it more than some other car fluids. There are a few reasons why your coolant level sensor triggered the warning light to activate. It also serves as a lubricating agent to prevent wear and tear in the engine and cooling circuit. You can thank coolant for keeping the engine cool in hot weather and preventing the engine from freezing during cold weather. It helps regulate the temperature of the engine system while transferring heat. Keep reading to learn more about low coolant levels and what to do.Ĭoolant, frequently called antifreeze, is a vital fluid to your car. So if this is happening to you with your coolant light, you probably have more questions. We know how frightening it is when any of your dashboard lights turn on unexpectedly. If the light turns off after the engine warms up, you probably have nothing to worry about. So, in some circumstances, a few freezing days in a row may trigger your car's low coolant system. Coolant particles contract in cold weather. Keep in mind low temperatures may affect your car's coolant level gauge. If the warning light stays on, take your car to a mechanic.Low coolant means there is a higher chance your car's engine could malfunction, so it is essential you fix this problem right away. It prevents the engine from overheating or freezing. We have researched this very topic, so you can find out what to do the next time your low coolant warning light turns on when it is cold outside.Ĭoolant is essential to your car's function. And thanks for watching.Have you noticed your coolant light turn on recently? Is it also starting to get cold where you live? The two may be connected. So, when you're ready to turn off that low coolant reservoir light, just give a call to any of our knowledgeable salesmen at 1-80. And no longer have to watch that warning on your dashboard. So, it probably won't take much more than a quart, maybe a quart and a half of fluid to top this off. You'll even notice as soon as you release the bottom hose you're actually already starting to fill from the bottom. We're going to back this bleeder off about 2 turns. So now at this point we're going to fill the bottle. Put our power steering reservoir back on. We reach down, spread the handles on our other tool. And that you don't have to drain your entire coolant system to put it in.Now we got that done. So, what we're going to do is show you how to install this without making a big mess. Now the part number on this, if you want to look it up on our website is LR020367G. But you'll see all your mounting and all your house connections are all in the same place. The tank being a little thinner in this area than it is on the original. But they've made some minor changes since the original, so just something you want to note as far as like the bleeder screw being at an angle as opposed to straight up. So, what we're going to do is show you the part which you're going to need to replace and how to install it. The only cure is really to replace the overflow bottle. So it will always register as if that tank is empty. In many cases it's not so much the sensor on the bottom but there is a small float that runs at the bottom of those tanks that over a period of time become saturated, and they just simply drop to the bottom of the tank. You don't understand why it's giving you that message. And you're going to go out, you're going to look at the bottle and you're going to have plenty of coolant. Essentially what happens is you're going to get a little warning on your instrument cluster. In this video we're going to touch base on a very common problem that shows up on the LR3s and the Sports, both the Supercharged and the non Supercharged. Part #: LR020367G Replacing the Coolant Expansion Tank, Performed on Range Rover Sport Supercharged, Also valid for LR3, LR4 and Range Rover SportHi I'm Doug, your tech representative here at Atlantic British. Please refer any questions or comments to 1-80 or contact us via the question tab. Watch Doug, our Land Rover Master Technician, as he removes and replaces the expansion tank part # LR020367G. What has happened is that the small float in the bottom of the tank becomes saturated and loses it's "float-ability" so that it sits at the tank's bottom to register as a Low Level warning. A common problem on LR3 or Range Rover Sport (Supercharged and non-Supercharged), you may get a warning on the instrument cluster that states "Low Coolant Level," which will prompt you to check the coolant bottle only to see there is plenty of coolant.
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