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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
How do I remove the radiator core support on my 2013 Nissan Juke?
I believe you are referring to the upper radiator core support. To remove this component, you'll need to do the following: 1.) Remove the front fascia 2.) Remove the front combination lamp 3.) Remove the headlamps 4.) Disconnect the crash...
Question
Sometimes it doesn't want to start , shakes bad , low idle , maintenance required light
Of course, be sure any required maintenance has been performed. YourMechanic can assist with maintenance. For example, if the spark plugs have not been replaced as required that alone can cause the hard starting that you are reporting. Other causes...
Question
I have hummer h3 that needs a raditor i have the raditor need to know your labor fee and do have to buy antifreeze and.i have spar
To obtain the requested quote, please visit YourMechanic’s radiator replacement service page. Once on that page, click on "Get a Quote" and enter your vehicle information (year, make, model). You are welcome to buy your own parts and book a...
Question
Radiator
The lower radiator hose goes to the water inlet on the engine block. If there is a problem with any of the radiator hoses, or any part of the cooling system please feel free to request any of the cooling...
Question
My car is over heating still. I've replaced the thermostat fixed hoses and noticed that the water I'm putting in the radiator is n
The only way to determine if a radiator is clogged is to flow test it. I mention that so that you don't needlessly condemn the wrong part. But, if you have found that the radiator is truly blocked, the most...
Question
I have a leak in the front left side of my 2002 hyundai santa fe
What you are describing sounds like it could be a transmission fluid leak. I would suggest having the leak inspected and, if a repair is required, the mechanic can implement the repair right then and there. The service to request...
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
Cracked radiator and cracked exhaust header which to fix first in need to repair fast and cheap for now,
The exhaust manifold should be replaced FIRST. If that crack happens to leak exhaust gases, that means CO can get into the passenger compartment. If that happens you won't have to worry about repairing the radiator. That manifold can be...
Question
I took my 04 GMC Envoy to better brakes for less as I needed to have it pass smog and the check engine light was on. They said I n
Inasmuch as YourMechanic is mobile, you need not bring the car anywhere as the certified mechanic will come to you and take care of the radiator replacement. If you desire mobile replacement, please simply use YourMechanic's radiator replacement service page....
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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