Video: Fixing Low Coolant Level Warning Light Issue When Coolant Is Full
VIDEO
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.
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.
Watch Doug, our Land Rover Master Technician, as he removes and replaces the expansion tank part # LR020367G. Please refer any questions or comments to 1-800-533-2210 or contact us via the question tab.
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. 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. Essentially what happens is you're going to get a little warning on your instrument cluster. It's going to say low coolant level. And you're going to go out, you're going to look at the bottle and you're going to have plenty of coolant. You don't understand why it's giving you that message. 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. So it will always register as if that tank is empty. So you'll always get that message. The only cure is really to replace the overflow bottle. 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. So let's start with the tank. Now this is a little bit revised. This is the original equipment. 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. The tank being a little thinner in this area than it is on the original. But you'll see all your mounting and all your house connections are all in the same place. So it is the same tank. Now the part number on this, if you want to look it up on our website is LR020367G. So, what we're going to do is show you how to install this without making a big mess. And that you don't have to drain your entire coolant system to put it in.Now we got that done. We reach down, spread the handles on our other tool. So now both hoses are on and clamped. Put our power steering reservoir back on. And our washer fluid fill tube. Okay. So now at this point we're going to fill the bottle. We're going to back this bleeder off about 2 turns. Go have a cup of coffee. Enjoy. Take about 10, 15 minutes. Let the system bleed and fill back up. You'll even notice as soon as you release the bottom hose you're actually already starting to fill from the bottom. So, it probably won't take much more than a quart, maybe a quart and a half of fluid to top this off. And no longer have to watch that warning on your dashboard. So, when you're ready to turn off that low coolant reservoir light, just give a call to any of our knowledgeable salesmen at 1-800-533-2210. And thanks for watching.
Applies To These Models:LR3 / Discovery 3 V8 4.4L | 05 - 09LR3 / Discovery 3 V6 4.0L | 05 - 09LR4 / Discovery 4 V8 5.0 Liter | 10 - 13LR4 / Discovery 4 V6 3.0 Liter | 14 - 16Range Rover Sport | 06 - 09Range Rover Sport Supercharged | 06 - 09Range Rover Sport | 10 - 13Range Rover Sport Supercharged | 10 - 13
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