Usually, the coolant in your car is good for roughly 60,000 miles before its additives stop offering peak performance. You don’t have to wait until you see a warning light on your car to change your antifreeze, though.
#Coolant light manual
More appropriately, however, you should consult your car’s manual to find the exact name and type of antifreeze your vehicle needs, as similarly-hued jugs of coolant can contain different types of additives. So how do you pick the right coolant? In the simplest terms, choosing the right antifreeze to add after you see a ‘”Check Coolant Level” light starts with picking the same color that you’re already running. Finally, dyes are used in store-bought coolants to make it easier to identify which type of coolant and which group of additives are found in your particular system. There are also other additives in coolant that work against corrosion and foaming as the liquid is circulated through the car’s system. Coolant is often called antifreeze because the low freezing temperature of glycol prevents ice from forming, even when the thermometer dips well below freezing. This is why most engine coolant is water mixed with ethyl glycol, a type of alcohol.
#Coolant light crack
Plus, even distilled water would freeze in the winter, which would crack the engine block and permanently disable your car. While water would work to a certain degree in an automotive cooling system, you would have to use distilled water - the impurities in tap water would gradually corrode and cause deposits in the engine block, the water pump and the radiator. Why not just run water in your engine’s radiator to keep things cool? The answer is a little complex. Always wait until the radiator is cool to the touch before opening the cap. Remember, NEVER open the radiator cap when the engine is hot. If you want to keep your motor running in tip-top shape and avoid long-term damage, it’s important to understand the role coolant plays in your car and what to do when the check coolant light comes on. Not all antifreeze is created equal, and different automakers often require specific formulations to prolong the lives of their particular brand of engines. Your engine’s coolant - also known as antifreeze - is a vital fluid that keeps the engine’s temperature regulated, improving efficiency and preventing overheating that could damage the motor. Thanks to all who contribute to this wonderful resource.Seeing the “Check Coolant Level” warning on your dashboard is often a sign you’re about to have a very bad day. I will try the probe scrubbing remedy next. Based on what I've seen on this forum the next best guess is the resevoir being at fault or the probes. Coolant levels are fine, I added approx 1 1/2 cups of distilled water on sunday due to sensor change so resevoir levels are good. Stops and does not reoccur during the rest of the trip (short duration). Wednesday evening after driving less than 4 miles the red blinking, beeping warning light goes on again. I did add some dielectric paste to the electrical connections before replacing. This past sunday I changed the sensor and due to the tremendous advice on this site, using the quick replace method, everything went smoothly.
I bought a new green sensor from vw dealer as this forum indicates its only a matter of time with the black sensor. A check of the coolant reservoir shows good levels but not all the way to the top. Only once did it flash after the car had been driven any distance, when it flashed/beeped then stopped. Car starts and runs normally.Ĭlimate - Eastern North Carolina, warm and humid.Ībout 2 months ago I started getting occasional flashing red temperature light after driving 2-4 miles. 2006 NB TDI, 60k miles, no modifications whatsoever.
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