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coolant

Related articles

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.
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 Replace a Radiator Hose
The radiator hose is an important part of your vehicle’s cooling system. The hose carries the coolant to the radiator, where the fluid is cooled, then back to the engine...
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
My 2000 VW Passat 1.8 turbo recently was flushed to try and clear up heater core, but now my coolant is running out quickly
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
How much to replace intake manifold gasket on 1999 chevy astro van 4.3 engine?
On your model, it probably takes around 4 hours to replace both the upper and lower intake manifold gaskets but if you have rear A/C it is somewhat longer. A gasket kit is necessary because other gasketed parts are removed...
Question
Hi Chris!! How often does my car need power steering, brake, coolant
The timing belt should be replaced at 105,000 miles. The engine coolant and the brake fluid should be exchanged every 45,000 miles. The manual transmission fluid should be changed every 90,000 miles. With regard to power steering fluid, like most...
Question
my mechanic said there is water in my sparkplugs car won't turn on just sounds like spinning 1999 galant
If there is a coolant leak into the cylinder(s), or externally down the spark plug tubes, such a leak would have to be resolved prior to running the engine, or attempting to diagnose a non-running engine. If you request a...
Question
Coolant level dropping rapidly
If the coolant level keeps dropping there is either an internal or external leak. Leaks are typically found by simple pressure testing of the cooling system. Engine coolant can leak externally through a hose, radiator, water pump, etc. or internally...
Question
My car system beeped with the low coolant warning light and went to cold and then it completely shut off
Hello. If the coolant was low enough and if the engine started to get hot then it will shut down. Hopefully the engine turned off before any damage occurred. If the coolant was that low then there is a leak....
Question
Hi Robert, I bought a lexus 2002 es300 recently at an auction. Noticed that engine overheated. I'm seeing a gooey wax like substan
Hello, thank you for writing in. If a stop leak was used and it is creating a clog in the system, then a flush is where you want to start. Flush the radiator and do your best to clean the...
Question
saw some radiator fluid leak, some clear water. overheated. Water pump? thermostat? Radiator full
Hello, thank you for writing in. Air conditioning systems do condensate and drip water. This is totally normal, and likely unrelated to the cooling system problems. If the coolant is full, and it was not the source of the leak,...
Question
PT Cruiser, replaced radiator and thermostat, dashboard gauge reads normal but car is running hot and having to add coolant daily
Hello, thank you for writing in. The vehicle is reading normal temperatures because the fluid temperature sensor needs to be in the fluid to give an accurate reading. The second there is a leak and the fluid level drops, that...
Question
what would u say is wrong if eveytime i park for a while when i get back to the car there is a puddle of water under the car
There is an external coolant leak. Adding tap water alone is not recommended, especially if you are adding tap water continuously. If you don't add antifreeze, there will be no corrosion inhibitors in the cooling system and so your system...
Question
Check engine on knocking engine milky cap but not in oil change loud knocking noise while driving and cold start up
Coolant leaks can be external or internal. If the coolant is leaking internally into the cylinders or crankcase, that will require a fairly significant repair. If the coolant is leaking externally, unless the leak is at the head gasket or...
Question
Hello, i had my head gasket repaired and after 8 months it has started making white smoke come from exhaust again and I can smell
Hello, thank you for writing in. With white smoke coming from the exhaust, the smell of coolant, and the (very likely although unmentioned) lowering of the coolant level, it is quite apparent that the coolant is making its way passed...
Question
engine overheating.
Hi there. When an engine is overheating your would need to check the coolant to see if its low or not the correct temperature rating. If the coolant is good and rated to the maximum temperature, then the radiator could...
Question
How much does it cost to repair my antifreeze leak
Anytime you see a coolant leak under the vehicle you know you have a leak but the location is not known. You will need to have the cooling system pressure tested to see where the leak is coming from. It...
Question
Oil leaked out, van ran hot and radiator had a leak oil was splattered everywhere and backed up into the coolant jug 2002 Ford E350 Super Duty
Hello, thank you for writing in. The first issue that comes to mind is a blown head gasket. This would allow the coolant and the oil to mix, but less often results in an exterior leak. This means the head...
Question
I got antifreeze leaking out the side of my engine but can't see where it's coming from
Hello, thank you for writing in. The leak if that severe is likely going to be easy to spot if you can watch it while it is leaking. You can use water for this kind of observation. Refill the engine...
Question
2002 Nissan Sentra GXE is smoking out the tail pipe. I replace a knock sensor and the code for the knock sensor still pops up.
HI there. There are different symptoms that create smoke that emits from the tail pipe. Here is a description of the different smoke for you to check: Smoke Types Blue: Blue smoke is an indication that the engine...
Question
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?
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,...

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