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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
I just replaced my radiator with a used One from a scrap yard my car now overheats really fast and no heat produced, would a radia
A clogged radiator and a stuck thermostat can both cause the overheating problem you are having. The main thing to check is to make sure the system is full of coolant with no air pockets. If you do not feel...
Question
Overheating when driving
Thermostats can only be installed in one orientation. Unless the thermostat that was installed is the wrong one, or was defective out of the box, the thermostat is probably not the cause of the issue. Inasmuch as the overheating is...
Question
Over heating
If you have really found evidence of cooling system blockage(s), then your continued overheating could simply be due to the fact that not all blockages are yet removed. Also, you could have multiple faults, that is blockages plus perhaps a...
Question
Have no heat, I've took the thermostat out still no heat. Flushed the radiator couple times. Doesn't seem to be flowing n radiator
The complete cooling system should be drained and fresh clean water put in with a good quality radiator flush put in. Run the engine for at least 30 minutes at 1000 rpms with the heater in the on position but...
Question
Where would the radiator drain plug be located on my vehicle? 2003 Chevrolet Impala
Hello, the radiator drain plug will be a the bottom edge of the radiator, facing the engine (passenger side). If you drain the coolant, be sure to catch it with a pan of some sort, and properly dispose of it....
Question
Radiator gets steaming hot, but the engine itself does not overheat?
You should identify where you seen the steam coming from on the radiator. The radiator most likely has a leak on one of the tanks of the radiator. If it cannot be located then have the radiator pressure tested to...
Question
I want to know if i should buy this car for $700 or just wait it out.
If the vehicle only needs a new axle (CV driveshaft) and a new radiator, the price is only "average". However, if there are any other defects at all, particularly significant corrosion on the brake and fuel lines, at $700 you...
Question
Overheats after about 10 mins
Overheating often has rather mundane causes such as a stuck cooling system thermostat, plugged radiator, inoperative water pump, or even simply a low coolant level. Consequently, you could probably get the overheating issue resolved rapidly by requesting an overheating diagnostic....
Question
Leaking antifreeze
The leak you are describing is the radiator core leaking. You should have the system pressure tested to see if the radiator core is leaking in the center or the side tank is leaking.
Question
Why would fluid continuously flows out from the reservoir as soon as the car heats up?
The cap on a car radiator is designed to withstand internal cooling system pressure, as the system heats up, of 16 to 20 psi (pounds per square inch) depending on the particular vehicle. If your cap has failed, and thus...
Question
After replacing water pump, thermostat
Overheating has many causes. If you just added coolant after replacing the water pump and thermostat, but did not use the purge points to expel trapped air, that in itself could be the cause. Trapped air in cooling systems causes...
Question
Radiator fan very loud 2012 BMW X5
Hello - for virtually all modern cars, setting the heater/AC controls on any position that utilizes the air conditioning compressor (i.e. defrost), the auxiliary fan for the radiator is automatically turned on to increase airflow over the AC condenser coil...
Question
My truck is overheating and when I turn heat on only cold air comes out?
Hi there. Check for any external coolant leaks. Look at the radiator, heater hoses, radiator hoses, heater core, and the core plugs (freeze plugs) on the engine and see if there is any visible coolant leaks. If there is no...
Question
Radiator or hose leak is leaking, the air filter box is not screwed on right, and there may be a wiring problem.
Hi there. For the radiator, the rubber hose may be cracked or loose. Check the hose for any cracks and if the clamp is tight and it leaks, then the clamp may be worn. Replace the clamp for a better...
Question
It this a complete flush: Radiator, heating core, water pump.
Hi there. When performing a coolant flush, drain the coolant from the radiator and out of the lower radiator hose. Then remove the heater core hoses and drain out the coolant from the hoses. Remove the upper radiator hose and...
Question
Car overheating and there is no cabin heat while at idle.
Hi there. Check the radiator to the vehicle. It seems that the cooling system is working, but the radiator is restricting the coolant flow. This is why when you step on the gas pedal the coolant temperature drops. I recommend...
Question
Car is overheating everytime i drive it for about 15-20 minz
Hello there, many faults will cause your 2004 Cadillac SRX to overheat after driving for 15-20 minutes. When head gaskets fail the most common signs are the coolant level dropping without visible leaks, white smoke from the tail pipe, and...
Question
I have a 00 deville I just changed the water pump housing and water pump the thermostat and radiator the upper and lower radiator 2000 Cadillac De Ville
Hi there - I suspect your radiator is clogged or otherwise corroded so that it is not shedding heat as efficiently as it should. Idling with the heater on was getting rid of heat without loading the radiator. When you're...
Question
Antifreeze problem
If you are having to periodically add antifreeze to the cooling system, there could be either an internal or external leak. That would include a "leak" through a faulty radiator pressure cap, which fault in the cap, if the fault...
Question
Can I add water or fluid to the reservoir till I can get a flush and fill?
Yes, you can, and should, add coolant to the reservoir to make sure the engine cooling system does not run low. Add only a 50-50 (water-antifreeze ratio) coolant mix to the overflow tank, particularly if it is winter season. If...

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