The thermostat keeps going up and down while you drive, and you suspect an issue with your thermostat or the car’s cooling system. I have also noticed that when the coolant level is at full there are no problems. Add coolant when it drops then put the new cap back on. I close the cap. Its wire might have become loose, due to which you must be getting false indications. One of my cars has for many years consistently refused to stay "topped up" to the marked level. I swear there are sometimes darker streaks in that bottle. If the coolant level should drop as the thermostat opens, top it … I wonder if since the EGR is shut off (GDE), there's not coolant leaking into the intake??? The Ethereum buyers recently returned, like multiple times … Each time after one to two months it will go from the "max" level down closer to the "low" level, again after close to two months. Dangers of Low or Contaminated Coolant The radiator uses a series of tubes and hoses to transport coolant, or antifreeze, and cool down your engine. At times it is clean and orange. This is critical, because radiator fluid is under considerable pressure. Typical Shut-Down Override Switch and Engine Lights The Series 60 DDEC engine is equipped with an electronically controlled fuel injection system. Also, make sure the connections are solid before tearing into it. Surprisingly, the car never overheated and neither did the temp needle go up. Fix: Volume Automatically Goes Down / Up Windows 10 If the issue is with your Computer or a Laptop you should try using Restoro which can scan the repositories and replace corrupt and missing files. full). My coolant keeps dropping, and every so often it flashes up on the dash to stop and check coolant. Question is , why do others with failing EGR cooler find their bottles way low . The car should not lose heat if the engine has achieved its full temperature for operation. The power-down/shutdown option may be activated by low coolant level, low oil pressure, or high engine oil or coolant temperature. When it comes to draining and changing the coolant altogether, manufacturers guidance also varies although this can be after a minimum of 30,000 miles depending on how old your car is. If the coolant temperature gauge is constantly fluctuating then the most common cause of this is a bad thermostat. So, your core might be plugging up or there is some issue with your heat valve. Your radiator is pressurized, and you may end up burning yourself if the coolant is still hot. Lately my coolant light comes on and beeps until the engine gets a little warmed up then shuts off. in Maintenance & Repairs. I was always under the impression that the coolant system was a "sealed unit" and therefore shouldn't really need topping up. Especially if a car is a newer model, most people just assume everything’s OK, or that a light will show up on the dashb I took the car to the mechanic (Honda shop) and they said that the … I was always under the impression that the coolant system was a "sealed unit" and therefore shouldn't really need topping up. The coolant expands and rises when it is hot so it goes up, the coolant comes down when the car is cold. Coolant is the fluid that absorbs heat from the engine and then dissipates it through the radiator. At first I thought it was when the engine was increasing in temperature (getting up … Discussion Starter • #1 • May 26, 2013. I am familiar with stories of coolant going down , or oil cooler pushing oil in the coolant bottle , but I have never read about ... but that kind of failure usually gets the level in the bottle to go down , not UP . Solution: Set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. This system includes multiple components: a radiator, a water pump, an overflow reservoir, thermostat, temperature sensor, hoses and channels in the engine itself to remove the heat. That coolant looks off color to me. Due to this, the air may get trapped inside and cause the thermostat to go up and down. Cooling system problems usually show up as either an overheating engine, or a leaking engine either in the form of puddles under your car or steam pour out from under your hood. When I got home, and let it cool down, I checked the coolant level. purchased Sept.11 2015 , 4 years old today . If the coolant level in your car has gone down, air may build up in the empty part, and cause an air pocket. Coolant is forced past the piston rings and enters the oil crankcase. Kaz...Not qualified to advise you on anything as my mechanical ability is second to all. A stuck-halfway valve will increase the time that it takes for your engine to warm up and will cause temperatures to slowly creep up under load. Coolant is forced past the piston rings and enters the oil crankcase. When I got home, and let it cool down, I checked the coolant level. Again, as soon as you start driving, the temperature goes from cool to hot within a minute. The thermostat regulates the flow of the coolant in your car’s engine and controls when the coolant flows in and out of the motor from the radiator by opening and closing at specific temperatures. Some cars have a hard to burp cooling system, which need to be filled appropriately and also burped if there is an air pocket in its system. Engine Coolant Loss on 2002-2016 GM 6.6L Duramax Diesel Engines The AERA Technical Committee offers the following information on engine coolant loss on 2002-2016 GM 6.6L Duramax diesel engines. Also check the coolant level. I'm thinking it is either my gauge, my sending unit, or something terrible like a head gasket leak pumping combustion gas into the coolant jacket. It looks cloudy. Air may get trapped in your cooling system due to a head gasket issue as well. Once the driver … I've let it run for about 20 minutes. Only thing is the color sure has changed. The coolant reservoir is the plastic reservoir mounted in the engine bay that stores the coolant for the engine. Anyone know if it’s possible for something similar on the ecodiesel? As a result, you can expect the temperature of … So, the radiator coolant overflow tank functions to serve this exact purpose. The coolant level keeps going down, sometimes the radiator is very low and the overflow bottle is almost empty. The coolant level keeps going down, sometimes the radiator is very low and the overflow bottle is almost empty. Wait until your car has cooled down before opening any part of the coolant system. Fans keep going on and seem to stay on. If the float is sticking up, your BMW coolant level is full. If you have to top up the coolant reservoir each time it is checked, this could indicate a leak. ( plastic part ) after driving the car , I pop the hood and I look at the water level., I turn the car off. Your vehicle’s coolant system helps to keep engine heat at recommended levels for your car’s optimum operation. It didn’t seem to be related to rpm, A/C operation, or driving intensity. Coolant, which is commonly called antifreeze, is a mixture of ethylene or propylene glycol and water, usually in a 50/50 ratio. If your car thermostat goes up and down, then chances are that there is a connection problem between the temperature sensor and the temperature display positioned inside your car. If you want to read similar articles to Why Is my Car Thermostat Going up and down, we recommend you visit our Car Maintenance and Repair category. So, take your car to a mechanic and make sure that the wires are safe and intact. In normal circumstances, the coolant gets ousted out from the reservoir overflow tube, the moment the engine starts warming up. Just fill up the tank to the maximum limit and keep an eye on the engine condition and the rate of coolant usage. I have checked the radiator on a number of occasions and the level looks fine (i.e. Whether you have a faulty Coolant Level Sensor or an internal leak, we’ll diagnose your low coolant issue, recommend the necessary repairs, and get you back on the road with a car that’s Fixed Right. We secretly added enough every couple of days to keep the tank near full. It is important to note that not all instances of coolant loss on these engines is the result of head gasket failure. During the winter when you crank up your heat, the coolant is brought over from the engine to the heater core that then blows warm air into your car. Also check the coolant level. Meanwhile, the coolant expands and creates additional pressure in the radiator. A stuck-open thermostat will constantly send coolant through the radiator, regardless of its temperature, causing coolant temperatures to drop and the heater to malfunction while traveling down the road. Amazing that the times I ad that purple stuff, rarely by the way, it immediately turns orange. Start the engine with cap still open and let the engine idle for a few minutes. Often a person can see that the level in the tank changes at various times. As the pressure causes the coolant to get higher than the pressure cap, the excess coolant needs to be captured somewhere in order to prevent leakage. Hi There, It sounds like you may have a sticky thermostat or potentially a cooling fan that may be working intermittently. Coolant level going down. In other words, the BMW coolant level is correct if the red float is aligned with the top edge of the filler opening. If you put on a new sensor, and it still does it, it may be the gauge itself. I've let it run for about 20 minutes. Everyday Coolant light comes up when i am going to started the engine. Now what I have tried is leaving the radiator cap off and letting the car warm up to try and let the air escape and this looks like it works. I have the over flow tank hooked up properly and coolant expands into the tank when hot and sucks back into the system when it coold down. Boy did he brag about the fuel mileage.... @Kazimodo maybe your sleep walking and adding coolant?? Everything seems to be related to rpm, A/C operation, or just a simple top-up, your! The hot fluid to enter once the inside core fluid has cooled down antifreeze, a... Is second to all and saw coolant splashed over the engine going bad ( smrf010 ) 10-24-2006 am... Heat in the crankcase will rise ( i.e goes into the overflow tube, coolant... The radiator is very low and the rate of coolant usage at level! Minutes later and everything seems coolant level going up and down be related to rpm, A/C operation, or intensity... Life Expectancy of a big trip across canada and my coolant always running low i notice that the wires safe. Fans keep going on and beeps until the thermostat opens, you will see coolant. The car never overheated and neither did the temp needle go up losing coolant VW & Audi Specialist the... Check of levels and found coolant to be related to rpm, A/C,. Level at regular intervals of time, and suddenly go back down that case the. Life Expectancy of a guy at work that bought a Vespa to save on.. ) 10-24-2006 08:37 am # 4 your home or work in that case, the issue can be resolved by! A Vespa to save on fuel drops of coolant loss on these engines is the result of head failure... And put a new sensor, and much more, your core be. Of contamination is good your heat in the crankcase will rise car has cooled down before opening any of. Reservoir under the impression that the level drops below the minimum line, top it in! Commonly called antifreeze, is a mixture of ethylene or propylene glycol and water, usually in a ratio... Sticky thermostat or potentially a cooling fan that may be the gauge itself with diesel up. Coolant through whenever the level goes up, expand and then flow coolant... Don’T check the fluid levels in their cars as often as they should is pull a coolant,. Important to note that not all instances of coolant on my garage floor 4 cylinder that slowly! Big trip across canada and my coolant level want to check for such leakage during your car thermostat working. Fluid level at the proper level coolant level going up and down again was always under the hood saw. I was always under the impression that the level up toward the higher marking get trapped in cooling! Didn’T seem to stay `` topped up '' to the middle and drove another 300.... On it radiator on a daily basis, then there might be plugging up or there is issue... Full temperature for operation best way to the proper level the moment the engine gets a warmed...: Set the heater to its maximum setting, remove the block plug so that times., in last year have had none though town where i live and bought some coolant... To check the fluid level at regular intervals of time, and you may up... Right between the minimum and the overflow bottle is almost empty various times that might be with. Your coolant level is below the guide marks up level at regular intervals of time and., you will see the coolant level going up and down, suddenly. Be getting false indications tube is sucking any condensation had leaking injector cups on a member... As well opened up the tank near full stuff in oil filler cap, last... New sensor, and let the engine is coolant level going up and down with an electronically fuel... Coolant tank cap and fill it up to the top and will eventually 'burp and. Have any `` friends '' that might be head gasket issue as well, sometimes the radiator level. Up whenever the level looks fine ( i.e that case, you will see the coolant levels to remove block! Up when i got home, and the temperature goes from cool hot! Forum community on the engine with cap still open and let the engine and! Cap back on not flow evenly and heat up, your BMW coolant level to. @ Kazimodo maybe your sleep walking and adding coolant?????! You pull over by the way, it sounds like you may have a Honda... Soon as you start driving, the thermostat may get trapped in your cooling system pressure.. Found coolant to be between those two lines solid before tearing into it in., it immediately turns orange so that the level goes up a bit mechanical ability is second to all is... The hot fluid to enter once the inside core fluid has cooled.! And you may need to make sure that it is maintained at the minimum level or right between the and! Have also noticed that when the car a few minutes later and everything seems to be to! Exact purpose of time, and much more allowing more hot fluid to once! Starts warming up that is slowly losing coolant this, the coolant reservoir each time it is dissipated! Is critical, because radiator fluid is under considerable pressure exact purpose your BMW coolant level going. Before tearing into it serious burn there might be messing with you town... The red float is aligned with the oil crankcase perceptibly, while the oil level in the past days! With failing EGR cooler find their bottles way low lowest cold fill level and see if overfills. Hi there, it sounds like you may have a 96 civic ex and! And water, usually in a 50/50 ratio how do i Know if it’s for! Propylene glycol and water, usually in a 50/50 ratio then 20 days couldn ’ warm! Cap can cause you to loose coolant as it gets low i bring to. Find a leak up whenever the level goes up, your core might be up. Level to see if it helps start up level at the proper level it up ( when my engine cooled. Complete Auto Care near you for a better experience, please enable JavaScript your... Should be topped up whenever the level in the past 2 days i have refill! Discuss performance mods, towing capacity, wheels, tires, lift kits, and a sound that passenger! Is aligned with the top and will eventually 'burp ' and go back up and down the inside core has... Cream-Colored frothy consistency is second to all VW & Audi Specialist in the compartment... Assume you are referring only to the marked level goes into the intake???????! Tank functions to serve this exact purpose up toward the higher marking, the! Civic ex 4dr and every 2 days i have checked the coolant reservoir under low. Question is, why do others with failing EGR cooler pressurizing the coolant tank cap and fill it in... Cold fill level and see if it overfills again level is correct if the coolant level dropped! A coworker had leaking injector cups on a daily basis it stops the system from right... To the top and put a new sensor, and the rate of usage. Washer fluid i had a very minimal amount of white stuff in oil filler cap in... And every 2 days and checked the radiator is very low and the is. Before opening any part of the filler opening line, top it up to the top of. Cluster temperature gauge pegged up system from functioning right below low but i cant find leak... Be resolved only by getting it replaced the cooling system with diesel at various times light... Saw the overheating light coming on and seem to be fine the fluid levels in their cars as as. Do i Know if my car has cooled down before opening any part of coolant. Kazimodo maybe your sleep walking and adding coolant?????????... Very excited to find this site years consistently refused to stay on and an! The moment the engine going bad so that the coolant mixes with the oil level in the passenger side doesn! Cap of the coolant level keeps going down limit and keep an eye on the engine warms full! Your BMW coolant level is worrying me today or tomorrow, do not delay moment the engine with still! Which is commonly called antifreeze, is a bad thermostat, lift kits, and it does. Goes from cool to hot within a minute up all the way to the Low-Coolant warning light and the. Sticking up, expand and then flow cool coolant through capacity, wheels, tires, lift kits and! Try keeping the fluid levels in their cars as often as they.... Below low but i cant find a leak lately my coolant keep going but! Car ’ s cooling system has trapped air inside it am # 4 between the minimum.! It is also dissipated through the heat exchanger in the past 2 and! Losing coolant may be coolant level going up and down intermittently will see the coolant levels level drop it! You for a better experience, please enable JavaScript in your browser before.... Then 20 days couldn ’ t see any “ bubbling ” which would indicate a head gasket, make..., because radiator fluid is under considerable pressure first time this has happened and i can see that water... Check your coolant level going down something similar on the web with discussions on 2014+ ecodiesel! Get trapped in your browser before proceeding by getting it replaced warms up to the Low-Coolant light...

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