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How to Check the 5 Essential Fluids in Your Car
Checking your oil and adding engine coolant, brake fluid, power steering fluid, and windshield washer fluid are essential for maintaining your car.
The Best Tool to Eliminate Air Bubbles
Air bubbles can form while mechanics perform service on coolant systems. A vacuum coolant filler helps eliminate this problem to avoid serious damage.
The Best Tool to Find Coolant Leaks
Diagnosing a car issue can be a tricky without proper tools. A coolant pressure tester is useful for diagnosing overheating issues and coolant leaks.
How To Keep Your Car From Overheating
Monitoring your coolant level, turning the A/C off in very hot weather, and regular inspections will help you avoid having an overheating car.
How to Replace a Coolant Reservoir
A coolant reservoir is at fault if coolant is leaking underneath the vehicle or if the coolant sensor remains on all the time.
5 Commonly Overlooked Vehicle Maintenance Items
Brake fluid, auto transmission fluid, and coolant flushes, as well as cabin filter changes and valve adjustments, are all important services.
The Best Tool to Reach Hose Clamps
Hose clamps are present in most cars, but can be hard to reach. Remote access hose clamp pliers solve this common issue for automotive technicians.
How to Replace a Cylinder Head Coolant Temperature Sensor
Signs of coolant temperature sensor failures include sluggish acceleration, hard starting, and a Check Engine or Service Engine Soon Light.
P1116 OBD-II Trouble Code: Engine Coolant Sensor Out Of Range/ECT Sensor Out Of Self Test Range
P1116 definition A P1116 trouble code is related to a vehicle’s engine coolant sensor that sends a temperature signal to the engine computer so it can relay a signal to the...
What Does the Coolant Temperature Warning Light Mean?
The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating.
How to Use Engine Block Sealer to Repair a Head Gasket Leak
Head gasket leaks occur when engines overheat and can be costly to repair. Engine block sealer can be a quick and easy alternative for minor cases.
How to Calculate the Concentration of Coolant in a Car
A car cooling system works to transfer heat from the engine. Check antifreeze level and condition, and mix coolant with water to prevent overheating.
How to Replace a Coolant Level Sensor
Coolant level sensors are faulty if the coolant level sensor light stays on extensively or the engine overheats without the light coming on.
How to Replace a Coolant Temperature Sensor
The coolant temperature sensor switch is not working if the engine emits black smoke. The switch may have failed if the car gets poor fuel economy.
How to Replace a Car Surge Tank Hose
Replacing a surge tank hose involves working on the coolant system, which can burn you when the engine is hot. Stay safe by waiting for it to cool.
How to Remove and Replace a Heater Control Valve
The heater valve is integral to a vehicle’s cooling system. Replacing one requires a new valve, some basic tools, and fresh coolant.
How to Replace a Coolant Tube
The bypass hose in the coolant system may have failed when the coolant level is low and there is a visible leak underneath the vehicle.
How to Replace a Coolant Vacuum Valve Switch
A vacuum line attaches to the vacuum switch in your car as part of the engine’s heating and cooling system. A faulty switch can break your heater.
How to Find the Source of a Coolant Leak Faster and More Accurately
Keeping a good coolant level in your car is necessary to avoid overheating. If you think there is a leak, find where it's coming from to fix it.
How to Top Off Car Coolant
Coolant, also known as anti-freeze, needs to be kept at a certain level to prevent car engines overheating and damaging the engine.

Related questions

Question
Hi, I have a 2005 Volkswagen passet that is overheating, I took somewhere and I was told that the motor is blocked up inside so th
Hello, thank you for writing in. There is a possibility that the cooling passages can become clogged with old coolant, or a "stop-leak" type of product meant to seal leaks in the cooling system. The system completely depends on the...
Question
Help figuring out what hose i need for 2003 Ford focus
Hello, thank you for writing in. Unfortunately, the picture you tried to add did not come through. If you are trying to find a particular part, you will want to determine what it does first. Since you are dealing with...
Question
I have coolant in my lower intake manifold after replacing the gasket in my upper manifold in my 1996 Chevrolet Suburban.
Hi there. If you have coolant in your lower manifold also then at the very minimum you need to blow it out with compressed air. I would recommend removing the lower manifold also to make sure that you get it...
Question
Slow coolant loss
Put a clean sheet of paper or cardboard under the car when you park it at the end of your day and check it the next morning for spots. You may or may not see something helpful. If not, sometimes...
Question
I bypassed heater core hoses on 2006 dodge caravan passenger floorboard still wet
You may have left over coolant inside the heater core that will still leak out onto the flood until the core is empty. You can blow air into the open heater core lines in engine compartment to get out excessive...
Question
What would cause coolant to be splashed on the engine and you hear a air sound while the car is running?
Hello, thank you for writing in. The first component that comes to mind is the water pump. It is one of the most common places to develop a leak. It may also spray out of that area, or drip down...
Question
I have a 2001 Lincoln towncar I'm having a problem with coolant leaking out side on the passenger side of the car also have a wh
Hello, thank you for writing in. Your guess that the heater core is to blame is very likely correct. Not only are they common components to form leaks, but it is also the component located in that area. It would...
Question
How difficult is it to replace the radiator in a 07 X-Type Jag?
In order to verify the leak you will need to have the cooling system pressure tested to see if it is just a hose or the radiator is leaking. This way you do not replace good parts. You may have...
Question
How do I remove heater core in a 1994 nissan pickup
Hello, thank you for writing in. The heater core is a difficult component to get to. Typically, you must go through a lengthy process of accessing the core from behind the dash. Once you have access to it, you can...
Question
Hey I have a chrysler300 2009 touring I have a p0301 and wen my car runs for a while it won't crank back up till it cools down
Hello, thank you for writing in. The vehicle's cooling leak may be causing the misfire. The leak needs to be repaired first, and then we can take any other issues from there. The starting problem may also be the vehicle's...
Question
I accidentally put engine oil in coolant reservoir, what should I do?
You should suck out the coolant reservoir since the oil will float on the water it will stay near the top. You can use a siphon to get oil or majority of oil out.
Question
i smell coolant and found some on top of motor
Hi Marcel. Thanks for submitting your question today. If you found coolant on top of the motor, then it is more than likely that the coolant inlet hose attached to the top & side of the motor either has a...
Question
What could be the cause of overheating on a range rover rediscovery 2001?
Hello, thank you for writing in. Diagnostics on the cause of overheating need to be done before a quote can be prepared. The easiest way to find out what is wrong is to have a pre-purchase inspection done before you...
Question
How bad is it to mix 1/4gal. Green coolant with two gallons of red
There isn't much difference in the coolant except for the dyes that they put in. There are a few subtle differences that are more important to the later cars than they are to a '91. I wouldn't lose any sleep...
Question
Antifreeze leaking from banjo bolt
You should have a sealing washer on each side of the banjo so it will seal.
Question
Car leaks coolant but not overheating
Engine coolant can leak externally through a hose, radiator, water pump, etc. or internally due to a leaking head gasket and sometimes a leaking intake manifold gasket depending on the engine design. External leaks are typically found by simple pressure...
Question
Hello! I was running low on coolant so I added water until I could buy some.
This time of year you need not worry about running for a few weeks until you can get the coolant changed. Keep in mind that you might have a leak that needs attention and don't let it get low until...
Question
Hello! I was running low on coolant so I added water until I could buy some. Now that I bought coolant, can I add it on top of the
If you have been running low on coolant and been adding water instead of coolant then you do not know the coolant level of protection for anti-boil or anti-freeze and should replace all the coolant fluid in the car. If...
Question
My van is a mazda mpv 2003. Our van was overheating. So we pulled over and all our water from the radiator leaked out.
You need to check the right rear under vehicle to see if your rear a/c heater hose is leaking or broke the control valve. If you did not break a hose you can bypass heater core by connecting the two...
Question
The freeze plug failed and coolant mixed with oil. The tech says because it would be impossible to clean out all the gunk, I need
If the engine was run with coolant mixing with the oil it can damage the internal engine bearings and pistons. If it is severe enough the engine would need to be replaced or the entire engine rebuilt and all parts...

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