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. It may be a good idea to have your coolant system checked at your local garage at your earliest opportunity just to make sure there isn’t an underlying problem.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. If you don’t notice any leaks and the coolant warning light goes out once you’ve topped up the reservoir, you are alright to continue your journey, although you should keep an eye for the light coming back on again as it may be symptomatic of a problem that may return. Call your local garage or breakdown service for recovery. If you notice any leaks, do not continue your journey. You can then have a look for any obvious leaks in the coolant reservoir or hoses, although these may be extremely hard to see. Once the pressure has subsided, you can remove the cap fully, check the level of the coolant and top up as required. Once the engine has cooled down, slowly open the coolant reservoir cap, allowing any remaining pressure to be released. If you try and open the coolant reservoir or the radiator cap whilst the engine is still hot, you run the risk of allowing hot, pressurised steam to blow out and burn you. It is far more sensible to stop your car and let the engine cool down.īefore you check anything, it’s vitally important that you let the engine cool down for at least thirty minutes first. If you continue to drive, ignoring the warning light, you are submitting your engine to temperatures that could cause permanent damage, resulting in expensive repairs. As we’ve said, the coolant light is telling you that your engine’s temperature is getting too high and this requires your immediate attention. As coolant travels around your engine, there are various places where it can leak from, such as hoses, the water pump or the radiator.įirst and foremost, you should stop your car as soon as it’s safe to do so. These leaks can be a serious problem, as they’re not easily diagnosed and easily fixed. Low coolant levels are usually caused by leaks, either in the reservoir or somewhere in the lines. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. What causes the coolant warning light to come on? When this process fails, the engine temperature increases and triggers the coolant warning light. In order to keep your engine from welding itself together, coolant is pumped around the engine. The side effect of all these explosions is a huge amount of heat. These explosions move the pistons up and down which, in very simple terms, starts to power your engine. In order for your car to work, a series of explosions are created in the combustion chamber. If the coolant warning light becomes illuminated on your dashboard as you’re driving along, it’s a certain sign that your engine is overheating.
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