Low coolant warning light was comming on once in awhile in the morning but would go out as coolant pressure build up. Staff member. Any idea. What is I/C coolant low? In the last few days the "low coolant" light has been intermittently turning on on my friend's BMW X3 (2007 ~70K miles). Did not add any coolant. The reason behind such defective sensor would be a probable loose connection. By the time I got home it turned off again. Predictably, a low coolant light = low coolant in a vast majority of instances. Low Coolant Light Comes On and Off – 4 Common Reasons Coolant or more aptly antifreeze is that colored liquid that prevents water from freezing in winters and from overheating in summers. There is no overheating or other problems except the continued addition of coolant and the low coolant light. Hi there. The truck is a 2019 2500HD with 30,000 miles. Aug 13, 2016 at 3:42 PM #1. Not sure what to do. Low coolant light on, coolant level fine The level sensor may be at fault giving off a false reading and having the car turn on the warning light. When coolant â¦ If you wait a long time afterwards, or bleed the system, or maybe try to shake out the bubble. If you have a European car in need of a coolant service or cooling system repair, call the European auto service and repair experts at Autoscope today, or set up an appointment online to bring your car into any one of our three convenient DFW Metroplex locations. You may not notice the difference at first, thinking that your tank is full A repair to a cracked engine block or … Talk to the Mechanic. Joined Sep 24, 2018 Messages 1 Reaction score 0 Points 0. got my low coolant level light again. Low Coolant Warning Light in Spring and Houston, TX. Browse across maintenance tips to find out which top it off is best for your car. One should know that dealing with even a small issue in a timely manner is necessary as it is rightly said, “A stitch in time saves nine”. When starting cold, the low coolant light comes on almost every time. Here is what the low coolant light means on your car and the (usual) suspects behind why your low coolant light is on. What is Wrong with Your Audi’s Power Steering? : 5,727 Status: thanks tech for info on steering problem, will let you know how it turns out. Low Coolant Of course, it is highly possible that the illuminated light is indeed correct and that your coolant level is not where it should be. 2015 2500 6.7L 4th Gen I bought new has 141,000 miles on it now low coolant light came on coolant tank is full light stays on had the system flushed and sensor replaced any ideas why it … What causes the coolant warning light to come on? Low Coolant Okay here goes my story: Last Friday I was driving my 2013 Ford Escape 1.6L EcoBoost to work. Jun 26 2005, 03:47 PM. its been a long time now since it happened. ]. The first step towards addressing the issue starts with inspecting the coolant levels. Essentially, it’s a mixture of water and chemicals that serves to regulate the engine’s operating temperature and prevent it from overheating. My coolant expander tank had a cracked plastic pipe on top and coolant was coming out. Low Coolant Light Discussion in 'Heavy Duty' started by 07MegaCabRam, Aug 13, 2016. My low coolant light is on 2000 Buick Regal what do I need to do and my low tire cuz I just put 4 brand new tires on it and the light still on is it a sensor need to be reset 4 people found this helpful. When starting, it comes on then goes off after several minutes of driving. It seems like early AM first start up the low coolant light comes on for a few seconds. The plastic bottle is full. Coolant temps are normal. A crusty white or rusty residue around the radiator, coolant hoses, fan belt area, or thermostat housing. Be sure to run your hand along the underside of the radiator and the underside of all the radiator hoses. The light only comes on for very short periods (A few seconds.) If there is no continuity between the sensor wire (Black IIRC) and ground, the module grounds the lamp and it lights. So I changed the tank but the warning light will not go out even when the â¦ Should You Replace Brake Rotors And Pads Together? As you have probably already guessed, the most likely reason for your Low Coolant Light to be on is…because your car is low on coolant. Nevertheless, the float stick was still floating and there was still some fluid left inside the reservoir. But first, let’s do a quick recap on what engine coolant does and why it’s so critical for your engine’s cooling system to be kept in good operating condition at all times. Discussion Starter • #1 • Jan 20, 2011. it did happen much earlier when i owned the car. The light is not constantly on yet. 2013 RAM 2500 :cbadge: 4x4 LARAMIE CCSB Carli pintop 2.5 kings. The radiator is in charge of passing your coolant through metal fins, wallowing the heat to flow to the air outside of your car, preventing overheating. I now realize the temp gauge dropped to zero as the temp sensor was no longer bathed in liquid. May 7, 2020 #2 I'm not sure with the newer Dmax engines, Wayne, but the older ones used to have TWO thermostats and they were prone to air pockets if not properly bled for air upon filling. Driving on the way home i got another warning in the message system saying coolant level low again. It triggers the dashboard light if it is not submerged in coolant. Below, we’ll dive further in the types coolant leaks that could be present, how you might be able to detect some leaks and list a few of the other, less likely causes of a low coolant light that don’t have to do with a coolant leak. If you discover a pool of liquid under your car, check to verify that it is, in fact, coolant and not something else. My low coolant indicator light came on and the radiator was low and the reservoir tank was totally empty . My air conditioner heater does not work so my mechanic fixed it so that cold air would not come out right now in the winter. This tightening of coolant leads to lighting up of low coolant sensors. Staff Team. Especially if a car is a newer model, most people just assume everythingâs OK, or that a light will show up on the dashb When dry the light comes on. The last thing you want to happen is the check engine light low coolant temperature light to double up on your dashboard before having it fixed. While the coolant level sensor doesnât play a big role in engine performance or drivability, it does serve a very specific purpose in protecting the engine from dropping low in coolant and potentially overheating. I don't know the exact science of how it works, but do know when the contacts are wet with coolant the light stays off. I just finished a 120K service and in doing so, I flushed the cooland and refilled it. The low coolant light has been on in my car since I've bought it. The coolant light will not indicate an overheating engine, it will only indicate a low coolant level. The light came on and it was low, so I topped her off. It triggers the dashboard light if it is not submerged in coolant. So, let’s move on to the types of leaks that can occur that rob your engine of its precious reserves of life-saving coolant. It's a small black box taped to the GP/WIF/Low coolant lamp harness under the dash and functions as a NOT gate. When Should You Replace the Spark Plugs in Your Jaguar? Happened the dealership said its because the whole coolant system needs to be changed below the `` line! Steady but reservoir is on the dashboard light if it is not submerged in coolant the circuit finished! 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