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Radiators

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How to Replace a Car Radiator
Car radiators remove heat from coolant after it's cycled through the car engine. Cars overheat and damage is caused without a functioning radiator.
How to Repair a Leaking Car Radiator
The radiator is the start of your car’s cooling system. Coolant from the engine travels through tubes in the radiator. These tubes are surrounded by fins designed to direct airflow. The air...
Symptoms of a Bad or Failing Oil Cooler
Common signs include oil or coolant leaking from the oil cooler, oil getting in the cooling system, and coolant getting in the oil.
Symptoms of a Bad or Failing Radiator Drain Cock
Common signs include leaking coolant, especially around the radiator drain cock, and threads stripping on the drain cock.
Symptoms of a Bad or Failing Radiator
Common signs include leaking coolant, vehicle overheating, sludge, and low coolant.
Symptoms of a Bad or Failing Stay Rod
Common signs your classic car has a failing stay rod include rattling noises from the front and a radiator that looks tilted or about to fall.
Is it Safe to Drive With a Cracked Radiator?
The radiator in your vehicle is used for cooling the internal combustion of the engine. Coolant is passed through the engine block, the heat is absorbed, and then fed into the radiator....
How Long Does a Radiator Drain Cock Last?
Your car’s coolant system is one of the most critical on the entire vehicle. Without it, the engine would quickly overheat, causing devastating damage. Coolant is cycled from the radiator, through...
How to Buy a Good Quality Cooling System Flush
Your radiator does the important job of helping to keep the engine cool. Overheating can cause serious, expensive damage like a blown head gasket (which typically requires complete engine replacement) or...
How to Add Radiator Fluid
The radiator is at the heart of your car’s cooling system. This system directs radiator fluid or coolant around the engine’s cylinder heads and valves to absorb their heat...
How Long Does a Radiator Last?
Your car’s coolant system is vital to ensure that the engine stays within operating temperature limits and does not overheat. It’s comprised of several different components. The radiator is the largest, but there...
How Long Does a Stay Rod Last?
In order to operate safely, your car’s engine needs coolant and a way to disperse the heat the coolant absorbs. That’s where the radiator comes in. It’s a crucial component of your...
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 Change a Radiator Valve
A radiator valve allows coolant into the radiator in order to cool off the engine once the coolant has reached a certain temperature.
How to Replace a Cooling Fan Relay on Most Vehicles
Cooling fan relays fail when the radiator cooling fan no longer receives an electrical signal. A broken fan relay means the radiator cannot cool down.
How to Pressure Test a Radiator Cap
Radiator caps are pressure tested using a cooling system pressure tester. This shows if the pressure in the cooling system is at a healthy level.
How to Replace a Radiator Fan Motor on Most Cars
The fan motor on the radiator fails when the engine overheats and the fan does not activate. This means that the coolant cannot cool the engine well.
How to Replace a Radiator Drain Cock
The radiator drain plug goes bad when the oil pressure is lower than normal, there is leaking coolant, or the Check Engine Light is on.
How to Buy a Good Quality Cooling/Radiator Fan Motor
Fans are necessary to keep the components under your car’s hood from overheating. Excessive heat can cause warping, melting, and other damage, not to mention the additional energy suck. The radiator...

Related questions

Question
What is the radiator flush procedure do you use?
Hello - YourMechanic "radiator flush" does not utilize "chemical" cleaning of radiators, only a clean-water flush and 50-50 refill of coolant. For chemical or physical cleaning as a traditional "radiator shop" would perform, those specialists are the correct service center...
Question
Overheated and car is cool now. It cranks when I turn the key but does not want to start.
Look around the engine compartment to see where the leak is coming from when you fill up the radiator with coolant / water. Check the radiator, water pump, freeze plugs on the engine, all of the coolant hoses. If you...
Question
I want to know if it is possible to replace the radiator and fan of the 2012 Chevy Cruze with a 2014 model type?
Hi there. The radiators on both vehicles are the same but the fan shroud on both vehicles are different. The fan motor, on the other hand, is the same for both of the vehicles. I suggest replacing the radiator with...
Question
Hi I am changing the top Radiator Hose to my mothers 94 Oldsmobile.. I see 2 clamps and the shorter hose.. That's what I bought an
Hello, and thank you for writing in. Bleeding the cooling system is a process of removing the air from the system by allowing the thermostat to open and flush any air out. There is a bleeder screw located next to...
Question
Replacing Radiator for 2006 Mercedes ML500.
Hi there. If your leak is coming from the radiator housing, it will need to be replaced. There are some people that believe you can repair these type of leaks by applying sealant or "fix-a-leak", however, these materials typically become...
Question
Im thinking about buying this 1995 Honda Accord
Before you complete the purchase of the vehicle I recommend you have a vehicle pre-purchase inspection by a mechanic like one from YourMechanic in order to make sure the engine is not damaged from overheating by the bad radiator. The...
Question
how much is labor charge for a raditor on a 2000 chrystler town
If your vehicle has air conditioning and an automatic transmission it would take roughly 2.5 to 3 hours to remove and replace the radiator. To get an exact dollar estimate, including the part cost, please input your data at YourMechanic's...
Question
I installed new thermostats in my 2007 Nissan Altima 2.5l shortly after the car started to overheat so I put back the old t-stats
The best thing to do first is put the new thermostats back in the engine. Old thermostats are damaged when they come in contact with the ozone layer outside when they have been running in the engine for a long...
Question
My 1998 Buick Park Avenue only runs hot when in traffic or just idling. What's the cause of it running hot?
Either the cooling fans on the radiator are not working properly or the radiator is plugged up to where there is a restriction when the engine's water pump is running at a slow speed. If you suspect that the radiator...
Question
installing a upper radiator hose, about an inch down the piece you slide the hose over has a raised lip, do i slide hose over lip
Hello, thank you for writing in. Correct, you want to place the hose clamp between the two raised lips. If the hose will willfully go over the second lip, that is fine. The goal is to have the hose beyond...
Question
When I start my car, the fan jumps on very loud for about a minute to a minute and a half. What would be the reason?
There could be an electrical wiring issue with the cooling fan from the cooling fan to the cooling switch / sensor or the thermostat could be sticking on causing the fans to blow harder as the engine may overheat until...
Question
Weird noise coming from middle of radiator on Dodge Ram
Hello, thank you for writing in. The noise may be something related to the fluid pressure inside the radiator, which is regulated by the radiator cap. You can easily have your cap pressure tested. Secondly, your cooling fans are located...
Question
My 98 Jeep Cherokee Laredo smokes only when stopped, and antifreeze comes out but, doesn't overheat.
Check the radiator inlet, the core, and the upper radiator hose. Look to see where the leak is coming from and see if its repairable. It could be a hose clamp that is loose, a hose that is split, or...
Question
Car Overheating; Unknown cause
The coolant could be low, the thermostat could be plugged up or sticking, the radiator could be plugged up restricting the coolant flow, the water pump could have failed, or the head gasket could have burned causing the engine to...
Question
Radiator / heater core issues 2002 Dodge Ram 1500
Hello - these two unfortunate events are probably only related in the sense that they are both caused by advanced mileage and age. New radiators utilize plastic end tanks that are crimp-sealed onto an aluminum fin section. The plastic in...
Question
A 2000 Elderado blows engine heat through the back of the radiator. It blows out the front of the grill.
Hi there. Check to see if the fan motor wires are reversed. If the wiring was reversed, then the fan blades will turn the opposite direction that they are normally operated. If the wiring is hooked up properly, then the...
Question
My car overheats and I have no heat - 2004 impala.
Hi there. Check the radiator and see if its plugged up. A plugged radiator will stop the flow of the coolant to and from the engine and cause the engine to overheat. If the radiator is working fine by having...
Question
My car was driving just fine and all of a sudden it started bubbling and the temp was at the 'H'. Then it started smoking and leaking.
Hi there. There are 4 different areas on your engine to check for the cause of the engine to overheat. Areas To Check The thermostat sticking shut The radiator plugging up or something is in the radiator The water...
Question
Bmw 325xi 2004. There is no heat and the car overheats.
Hi there. For your vehicle to overheat and not have any heater heat in the cab, then the coolant could be low, the water pump could be not working, the radiator could be plugged up, or the thermostat could be...
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...

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