Hi i got a question regarding my 05 Chevy Equniox. Coolant will disapeer and reappear at times but tempature will get in the red

Hi i got a question regarding my 05 Chevy Equniox. Tempature gauge will rise when I drive around 10 miles so I refilled with Coolant and then it disapeer and I woke the following morning and it reappear in the overflow tank.

My car has 200000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
Hi there. There are a few possible explanations for this issue. First, if you are using a higher concentration of coolant than the recommended 50/50% ratio of coolant to distilled water, it is possible that the overflow is due to the coolant expanding as it gets hot. Sometimes if the ratio is too big, it can cause restrictions in the coolant lines; which can also trigger higher temperatures in the engine. It’s also possible that you have an air bubble or several that are causing this issue as well. Restrictions or debris inside the heater core can also be a problem. It think it might be a good idea to first, have your coolant system professionally flushed and filled with the correct ratio of recommended coolant. If you’re still having problems after this, have a professional mechanic complete a car is overheating inspection, so you can resolve this issue before you have mechanical damage.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

The most common reasons a Chevrolet Equinox is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. Coolant leak (water pump, radiator, hose etc.)
ShopPro Antifreeze/Coolant Universal Yellow 50/50 Premixed 1 Gallon.
The most common reasons a Chevrolet Equinox heater isn`t working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
Causes. While driving in hot weather is a factor in engine overheating, it`s not the only factor. Low coolant level or a cooling system leak are other reasons that your car engine can overheat. You may also be experiencing a failing water pump or thermostat.
Cooling System Leak – This is probably the most common cause of an overheating engine. If any component in your cooling system–which includes your radiator, hoses, water pump, head gasket, and thermostat casket–starts to leak, you`re in trouble.
Best Answer. For most cars, the normal operating engine temperature is in a range of 195 to 220 degrees Fahrenheit.
The key is to buy the same type of coolant recommended by your machine`s manufacturer. If you do not know what coolant is in the vehicle and you top its radiator off with another brand, nothing bad is going to happen.
Over time, air can become trapped within your radiators, leading to cold spots and a less-than-optimal performance from your home heating devices. If you don`t bleed your radiators, the issue will worsen over time.
Peak – Original Equipment North American Orange Antifreeze and Coolant: 50/50 Ready To Use, 1 Gallon (Part No. NAOB53)
Prestone – Antifreeze and Coolant: 50/50 Ready To Use, Dex-Cool Compatible, 1 Gallon (Part No. AF850)
A faulty or broken thermostat is the most common cause of your car`s failing heat. Stuck open or stuck closed, the part can not only cause issues with your heat but also with your engine`s cooling system.
As temperature of an engine exceeds 230 degrees Fahrenheit, the engine is overheated. Above 245 degrees Fahrenheit, damage may occur. As heat continues to increase, the different rates of thermal expansion cause metal to distort.
Normal Temperature engine temperature gauge

So what`s a normal temperature for your vehicle`s engine? Most experts agree that your engine should run between 195 degrees and 220 degrees. In ideal situations, your needle will maintain a posture right in the middle of your gauge.

An engine temperature over 220 degrees Fahrenheit is considered overheating in a car, though some cars are better at handling excessive heat than others. Engines run between 195 and 220 degrees Fahrenheit. If the car is operating within this range, it is not overheating.
The coolant level should be between the F(full) and L(low) marks on the side of the coolant reservoir.”
Mixing 40% Concentrate with 60% deionized water, further dilution with water is not recommended. Mobil Coolant Extended Long Life 40/60 Ready Mixed is used as a cooling and heat transferring fluid in combustion engines.
CHAMPION 50/50 Prediluted Extended Life Antifreeze & Coolant is an extended life antifreeze and coolant formulated for use in all makes and models of cars and light duty trucks.
Technically speaking yes you can use plain water in your cooling system but it isn`t recommended as a long term solution and certainly not in extreme weather conditions.
Stay Frosty High-Performance Coolant is the best coolant for high-performance cars. Why? Because it affords the same features as Race-Ready, but contains a 30 percent mix of propylene glycol to 70 percent water. Unlike ethylene glycol used in many other coolants, propylene glycol is non-toxic.
One of the most common yet serious problems that develop in the cooling system is a radiator leak. A crack or leak from the radiator can lead to significant loss of coolant or antifreeze. Without these fluids present in the cooling system, air bubbles start to develop.
Signs and symptoms of radiator airlock include: Overheating during normal driving. Heater not functioning correctly. Reduced performance.
Fresh antifreeze is a clear brightly coloured liquid, usually blue, red, green, violet, yellow or orange but this will vary depending on the manufacturer`s formulation. Over time, your coolant will become dirty losing its colour and becoming darker, often an oxidized shade of brown.
What color coolant does Chevrolet use? It`s essential to understand that color doesn`t matter. While most Organic Acid Technology (OAT) coolants are frequently orange, yellow, red or purple, Hybrid Organic Acid Technology (HOAT) coolants are orange and yellow.
One way to check for proper coolant circulation is to check the upper and lower radiator hoses. The upper radiator hose should be hot, around 190–200 °F. (The safest and most accurate way to get this temperature reading is with an infrared thermometer.)

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Hi i got a question regarding my 05 Chevy Equniox. Coolant will disapeer and reappear at times but tempature will get in the red
ANSWER : Hi there. There are a few possible explanations for this issue. First, if you are using a higher concentration of coolant than the recommended 50/50% ratio of coolant to distilled water, it is possible that the overflow is due to the coolant expanding as it gets hot. Sometimes if the ratio is too big, it can cause restrictions in the coolant lines; which can also trigger higher temperatures in the engine. It’s also possible that you have an air bubble or several that are causing this issue as well. Restrictions or debris inside the heater core can also be a problem. It think it might be a good idea to first, have your coolant system professionally flushed and filled with the correct ratio of recommended coolant. If you’re still having problems after this, have a professional mechanic complete a car is overheating inspection, so you can resolve this issue before you have mechanical damage.

No coolant in the reservoir. Seen low coolant message. I added 2 quarts of 50/50 coolant. Still getting the message. How much coolant doe it need?
ANSWER : Hi there. For the coolant light to go out, you would need to have the coolant between the low line and the full line for the light to go out. If the coolant is low and keeps on being low, then look for any signs of coolant leaks. You may have to use a coolant pressure tester to pressurize the reservoir to allow the leak to be found.

If you need further assistance with the coolant being low and the warning light being on, then seek out a professional, such as one from Your Mechanic, to help you.

hi- i got an estimate to replace my timing belt and water pump for my 2012 pilot. Do these figures seem right? Timing belt (35.00)
ANSWER : Hi there. That is a fairly good and detailed estimate for this type of service. It also falls within the price estimation to have a mechanic shop complete this service. However, you might want to consider a third option, of having a professional mobile mechanic come to your location and complete the timing belt replacement and water pump replacement. Simply click the blue links to receive an estimate for both services.

2012 Corolla. How can I tell if coolant was really changed. Red when I took it in, red after I picked it up.
ANSWER : If they used the coolant that was supposed to be used, the coolant should be the same color. If the used the coolant that they keep on hand, it would be green. Based on the fact that the coolant is the same color, I can say that the coolant is the correct type. However, I cannot say for sure that it was changed. I would ask the manager at the shop that did the service about it if you have any doubts that your coolant was changed.

At times my jeep will start fine and at times I have a hard time getting it to start. It seems like the wireless ignition node is
ANSWER : The recommended diagnostic to resolve this is a hard starting diagnostic. The work is performed by a certified mechanic right at your location. Among the first things the mechanic will check is whether required maintenance is up to date because old spark plugs, clogged fuel and air filters, and the like are potential causes of the hard starting you are describing. Other possible causes include a failing coolant temperature sensor, or bad connection to the sensor, problems with other sensors such as the cam and crankshaft position sensors, a defective fuel pump, and many other causes, all of which will be familiar to YourMechanic’s experts. With regard to the fuel pump, if the engine is not getting enough fuel it will be hard to start. If you request a hard starting diagnostic, YourMechanic will get this issue diagnosed and resolved for you.

Green coolant accidentally mixed with red coolant
ANSWER : Hey there. The two coolant chemical compositions are different and may cause corrosive action or gelling of the mixture. If it becomes corrosive, it may damage gaskets and metal components in the engine. If the mixture becomes gelled, then it may clog the engine, radiator, thermostat, and heater core passages. The coolant should be drained as soon as possible and flushed out with water a couple times then put in fresh 50/50 mixture of correct coolant. A certified technician from YourMechanic can assist with a coolant flush and perform any other adjustments at your home or office if needed.

Topped off coolant with Prestone Universal Coolant. Manual says to use MOPAR HOAT. Do I need to get a flush before a long trip?
ANSWER : Not knowing which exact type of coolant was used to refill the system after the block heater install, I would consider flushing the cooling system and refilling with the correct coolant. Years ago, we just had "green coolant that went into every car. In recent years, different manufacturers call for different coolants. There are a number of different metals in contact with the coolant nowadays. The engine block can be cast iron, the cylinder heads can be aluminum. The head gasket may have steel rings surrounding each cylinder bore. The coolant has to be able to interact with all the different metals and not cause additional corrosion. Mixing different coolants can cause some issues. Sometimes the mixture can cause gelling and clog smaller passages in the radiator and heater core. They can also interact poorly with the different metals when mixed. I’ve replaced a few heater cores because they were so badly clogged from mixed coolant. Considering these things and the climate you are taking the vehicle to, a cooling system flush is definitely a good idea.

My 2014 dodge journey has tried to overheat 2 times in 6 weeks. Both times tge coolant level was low.
ANSWER : Hello there. If the dealership has indicated that you have coolant inside of a cylinder, then it is quite likely that the head gasket failed, causing coolant to seep into the oil galleys and into the combustion chamber. However, a blown head gasket is a symptom of an overheating problem; typically not the reason the engine overheats in the first place. Common causes of overheating include a water pump that has failed, thermostat failure, leaking coolant lines, obstruction in the heater core or a coolant fan failure. Ask the mechanic a few questions to get some details. First, is there coolant in the engine oil? And second – is the head gasket damaged? If this is the case, major engine repairs are likely.