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Radiators

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What Causes a Car to Overheat?
Several problems can make your car overheat. A leaky cooling system, blocked radiator, bad thermostat, or failed water pump are common causes.
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...
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 Often Do I Need to Top Off My Coolant?
"Coolant" is a term used to refer to radiator fluid. The purpose of coolant is to circulate through the engine compartment...
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...
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...
How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
How Often Does My Car Need a Radiator Flush?
A A radiator is part of the internal combustion cooling system in a vehicle. It is a form of heat exchanger, designed to transfer heat from the heated coolant mixture as it flows through the vehicle. Radiators operate by pushing...
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 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 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.
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 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.
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.
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.

Related questions

Question
My engine is overheating.
Hi there. Check the condition of the coolant and see if its full and new. I recommend putting a new radiator cap on and putting in a new thermostat. Once a thermostat is introduced to the atmosphere after being submerged...
Question
Won't crank.
Depending on if you overheated the engine and it still has the cracked radiator, then you may have more than one problem. You may have a problem with the crankshaft sensor if you are not getting spark. You said you...
Question
Why is my car running hot?
Hi there, thank you for asking about your 2000 Dodge Grand Caravan. In most cases, the symptoms you're describing are related to a problem with your radiator thermostat. The thermostat is supposed to open the radiator to flow coolant into...
Question
Where is temperature sensor
The engine coolant temperature sensor should be located on the radiator hose fitting on the front of the engine. The connector is locked in place by a clip lock on the connector housing that needs to be depressed at the...
Question
Water in the oil
I wouldn’t condemn the head gaskets just yet. Intake manifold gaskets are a common failure item on your Chevy's engine. When they fail, they can leak externally, or internally, or both. When they leak internally, coolant gets into the oil....
Question
Vehicle overheating.
Hi there. This is a common problem. It is likely that a cooling system thermostat got stuck closed causing low flow through the cooling system and requires that it get replaced. It is also possible that there is a radiator...
Question
Truck overheats
Hello. You did not specify the mileage of your vehicle but if the thermostat is not changed around every 60,000 miles it may cause overheating. Thermostat replacement is considered routined maintenance just like brakes or oil changes. I would recommend...
Question
Thermostat stuck
A stuck closed thermostat will cause a reduction of coolant getting into the radiator so heat can be transferred out of the cooling system. The thermostat will need to be replaced if it is indeed stuck closed and the cooling...
Question
Thermostat not working
Hello. If a thermostat is completely stuck closed, then it does need to be replaced without driving the vehicle. If it is not opening then it will be very easy to overheat the engine. If you need to have this...
Question
Temp gauge goes up and down
Hi there. The temperature sensor is the device used to determine the estimated engine coolant temperature reading. The sensor itself is not always perfect. This device sends a signal to the computer and in some cases, the instrument cluster as...
Question
Steering wheel shaking
It is not good to hold the steering all the way to the left or right against the stops. This can stress the power steering components. Some shaking at the stops can be normal. I would ask for help from...
Question
Smoke coming from under the hood.
Engine coolant has a very distinct smell when it burns, a sweet candy like smell. If your coolant levels in the radiator aren't dropping, a leak can be ruled out. If the level is low, that means you are either leaking,...
Question
Smell coming from A/C vents
It sounds like you have a leaking heater core inside the evaporator housing and would need to have it replaced. If you have the heater bypassed then you will not have heat inside the car and the temperature control will...
Question
Smell coming from A/C vents
Hello there, a few different items can cause this type of smell in the vehicle. The most common is the heater core, but that has already been checked. Other likely causes would be an exhaust leak, fuel leak, or something...
Question
Rough idling
It sounds like your throttle body is dirty. You may want to check it and make sure it is not sticking. Check for loose connections within the system also. Your car may also be idling rough due to your blown...
Question
Radiator not holding water
This is a common issue. Many of the radiators installed in vehicles are aluminum cores with plastic water tanks. There is a gasket that seals them together. Over time the gasket fails and water starts to leak from between the...
Question
Radiator leaks
Hello there! Leaking coolant/water from a point near the motor can come from a few things: On your vehicle specifically, a coolant hose runs underneath the distributor and the distributor seal often leaks. This causes used engine oil to come...
Question
Radiator leaking fluid
Hi. Fluid leaks are common, particularly from old rubber hoses. I suggest you have a certified mechanic, like one from YourMechanic, have all of the hoses replaced. It may seem like overkill, but all of the other hoses that are...
Question
Radiator leaking
Hi there. Sounds to me that you will need your radiator swapped out for a new one. Some supplementary things that go along with this repair are: a new water pump, radiator cap, hoses, and also a new thermostat. This...
Question
Radiator leak.
The radiator for the Tahoe has two plastic side tanks where all connections to hoses and reservoir tank are made. This radiator is not repairable and will have to be replaced if the radiator is deemed faulty. A pressure test...

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