how to buy a car radiator

Buying radiators through eBay is a convenient and cost-effective option, but it is a somewhat different process from buying a radiator through a dealer or a mechanic, and first-time eBay buyers should know a few tips to make the shopping process go smoothly and successfully.
Crossflow and downflow refer to the way coolant flows through the radiator; downflow means the coolant flows from an upper tank down through the radiator core to a lower tank, while crossflow means the coolant flows from a tank on one side to a tank on the other, before heading back to the engine.
Make sure to use a radiator designed for the type of work the car is going to do; for a given size engine, drag racing requires a smaller radiator than high performance street driving, while road racing requires a larger radiator.
When buying used radiators online, the buyer must do business with sellers who offer a return policy of some kind so that the radiator can be returned after it arrives and the buyer inspects it.
Buying a car radiator through eBay is one way to make a major automotive purchase more convenient, though the buyer should communicate closely with both the seller and the manufacturer in order to get the right radiator in the right condition.
The purpose behind buying a radiator matters; buying a replacement is simply a matter of getting another radiator like the old one, while buying an upgrade means deciding which of several different radiators is best for improved performance.
All of the components of the cooling system need to be in good working order, so replacing the radiator may also involve replacing other parts of the cooling system and definitely requires making sure that all of the old components work well with the new radiator.
Shopping online is a little different than buying through a dealer or mechanic, but buyers can get an equally good deal by shopping for a radiator on eBay.
Cars are cooled by a two-part heat exchange; first, heat from the engine is picked up by the coolant fluid, which carries the heat out to the radiator where it is passed into the air and out of the car.
The fins of the radiator literally radiate this excess heat out so that when the coolant flows back to the engine, it is ready to pick up more heat.
Single pass and double pass refer to the number of times the coolant passes through the radiator core before heading back to the engine.
Upgrading the cooling system of a car is a bit more involved, because the buyer must first calculate the radiator capacity that the car needs and then find out which manufacturer makes a radiator in the right capacity that is capable of fitting into the car properly.
Buying a new car radiator is easier if the shopper has a basic understanding of what a radiator does and what types of radiators are available.
Since radiators can be heavy and expensive to ship, sort the listings by seller distance, and if there are local sellers offering the radiator you want, see if a local pickup can be arranged in order to avoid high shipping charges.
Not all radiator manufacturers make radiators for any given size and every kind of car, so shopping for an aftermarket radiator means contacting manufacturers to ask if they have the right size in a configuration that will fit the car.
Without a radiator, the coolant would still absorb heat from the engine, but there would be nowhere for that heat to go.
When draining a radiator in order to replace it, make sure to collect and, if possible, recycle the used coolant; if recycling is not possible, follow locally applicable guidelines for the disposal of toxic waste.
If the pressure cap is located low enough that coolant (rather than air) is likely to escape out of it, the radiator also needs a pan to catch any escaping coolant and keep it from leaking out onto the road.
If upgrading the radiator to match a new engine, figure out the necessary size and capacity for the radiator by looking up what size radiator the donor car had or the size the new engine was built for.
If a vehicle’s engine has been upgraded to produce more power, then the radiator must be upgraded as well, because the more powerful engine creates more heat than the original engine did.
Buying a replacement radiator is a simple matter of looking up the right radiator type and then searching for it on eBay.
Buying a new radiator is not enough to keep an engine properly cooled.
Beginners need pointers on how to choose a new radiator, starting with an overview of how a radiator works and what kinds of radiators exist on the market.
One failure mode, in addition to our aforementioned cracked tank, was in the long O-ring seal between the aluminum radiator and the plastic end tanks.
How to Replace Your Car’s Radiator If your engine’s temp gauge is pegged, it might be time for a new radiator.
Dex-Cool can take a long time to provide corrosion protection when it hasn’t been used in the system for a while; the anti-corrosion additives in conventional coolant work immediately.
A quick couple of quarts of water added to the radiator will let you start the car without baking the engine.
Easy Out See if there are any fan-shroud pieces to remove, but you might only need to undo the fasteners and sneak the radiator straight up and out without actually removing the shroud.
(GM is big on recycling and made all its dealers buy coolant-recycling machines a few years back.) Don’t use the same drain pan you use for oil and transmission fluid–even a few drops of oil will contaminate used coolant, which then has to be disposed of as hazardous waste.
It’s immediately apparent where the leak is–bilious green coolant is seeping from a crack in the plastic end tank.
Most automatic transmission vehicles have a transmission-oil cooler in the radiator, and our photo truck also has an engine-oil cooler.
Sharp-eyed readers will note that we’re refilling this GM vehicle with conventional green coolant, instead of the factory-recommended orange long-life Dex-Cool that GM installed at the factory.
Cap these hoses to keep foreign matter out and expect a few ounces of ATF or oil to dribble from the lower port on the radiator into your catch pan.
Unbox the new radiator and give the old and new radiators the hairy-eyeball side-by-side treatment to be sure you have the correct one.
But before you put the hose away, water starts to drip from the radiator.
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These radiators are a part of the car’s cooling system that dissipates the heat by passing a coolant fluid to the car engine.
Users should look for wider tubes in a car radiator because this will maximize the surface area, which means more parts of the fluid will have contact with the tubes.
The coolant absorbs the heat from the engine and goes into the radiator.
In general, if the parts of the fluid near the tubes are cooled quickly, then the heat in the middle part of the fluid is cooled at all because heat is not transferred.
It comes with a fluid, aluminum fins, side tanks, and tubes, and its role is to take the heat from the fluid and transfer it to air, which is then blown away by a fan.
A lot of friction is created between the different parts inside a car’s engine when the car is running and this friction generates enormous amounts of heat.
This makes car radiators an essential part of every car, so presented below are the workings of a radiator to give users a better understanding of the role played by radiators.
The primary role of the car radiator is to transfer the heat that comes from the fluid to the air and this air is blown away by a large fan present next to radiator.
If you do not have a particular model in mind, but want to find a car radiator with a particular feature, such as an "aluminum car radiator," then you can type that into the search box to bring up relevant listings.
To cool the engine down to an acceptable temperature, water is pumped through cavities around the engine block.
The cooled water then starts the cycle again, being pumped back around the engine block to remove more heat.
Most of the time the force of the wind moving past the radiator, because of the car’s forward movement, is enough to keep the water at an acceptable temperature.
The cool water takes the heat away from the engine block.
The water, or more correctly, the coolant, for it is usually mixed with an anti-freeze chemical, enters the radiator through the inlet pipe.
It fills the many flattened pipes, and the heat that the coolant has acquired from the engine block is drawn off by the fins.
The cooled coolant then leaves the radiator through outlet pipe, where all the outlets of all the flattened pipes eventually converge.
In order to cool the water the radiator is of a special construction.
Of course, the term ‘cool’ as applied to the water that leaves the radiator, is a relative one.
Modern radiator fans are controlled by a thermostat that only cuts in when the temperature gets too hot.
Even with engine oil being used as a lubricant, this heat from friction can be sufficient to damage your car’s engine if it weren’t for the cooling action of its radiator.
After the engine reaches a particular temperature, your car radiator will kick in and stop the engine from getting too hot and causing damage.
This warmed liquid is then moved back through the car radiator and cooled before making the trip around the engine again.
Use’s Part Finder feature to locate the right radiator for your particular vehicle based on year, make, and model.
Although you probably won’t think twice about your radiator unless it malfunctions, it’s an integral part of your engine, and without it, your car will overheat.
The car radiator is found near the front of the engine bay and is made up of hollow passages that run between the engine’s two header tanks.
A broken or leaking coolant tank, corrosion inside the tank, or a leaking or clogged and irreparable car radiator core can necessitate the replacement of the entire radiator.
CuproBraze is a copper-alloy heat exchanger technology for harsh temperature and pressure environments such as those in the latest generations of cleaner diesel engines mandated by environmental regulations.[3][4] Its performance advantages over radiators made with other materials include better thermal performance, heat transfer, size, strength, durability, emissions, corrosion resistance, repairability, and antimicrobial benefits.
In practice, the term "radiator" refers to any of a number of devices in which a liquid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
One might expect the term "radiator" to apply to devices that transfer heat primarily by thermal radiation (see: infrared heating), while a device which relied primarily on natural or forced convection would be called a "convector".
The radiator is always a source of heat to its environment, although this may be for either the purpose of heating this environment, or for cooling the fluid or coolant supplied to it, as for engine cooling.
As the coolant passes through the radiator tubes on its way to the opposite tank, it transfers much of its heat to the tubes which, in turn, transfer the heat to the fins that are lodged between each row of tubes.
Since air has a lower heat capacity and density than liquid coolants, a fairly large volume flow rate (relative to the coolant’s) must be blown through the radiator core to capture the heat from the coolant.
To find used radiators, please select the Year and Make of your vehicle from the drop down menu at the top and click Next Step.
The network of auto wrecking we have specialize in looking for all types of used parts including used radiators.
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I bought a cheap radiator on E-Bay for a Mustang that I was getting rid of but it worked fine for the year that I used it.
It can’t be cheap to ship a radiator, so that suggests it’s a really inexpensive radiator.
It’s important to have the hose outlets on the correct side when fitting a radiator, because they won’t have enough room to reach in the engine compartment otherwise.
By measuring the thickness of the radiator at the top you’ll be able to ascertain how many cores are in the radiator; it’s important to have the correct number when fitting a radiator.
When fitting a radiator to your car, it’s important to have one that’s the correct size and type for the vehicle.
Before fitting the radiator, however, check that all the hose outlets are correct for your needs.
Measuring the radiator size will mean checking the dimensions, so fitting it will be a great deal easier.
Note exactly how it attaches, because it will need to be the same for the new radiator; this will be the only way that fitting this on the radiator will be possible.
Begin by measuring the radiator’s height, going from the bottom to the top, on the side which has the top hose outlet.
It’s much simpler to get the correct radiator for your vehicle to begin with, and save a great deal of trouble and money.
Again, if these are there, note it because you’ll need the same configuration for fitting a new radiator.
I'm still waiting for your punch line Candice! You told us where the cheap radiator is made but you didn't tell us the brand name! Also, what kind of news do you have (make, # of rows & width of cooling tubes) on the $200.00 radiator.
When you go radiator shopping, make darn sure the new radiator has *at least the same number of cross cooling tubes and *sneak a thin tape measure in the new radiator to make sure the width of the cooling tubes is no narrower than your old radiator.
All inexpensive radiators have aluminum cooling tubes and finns with cheap plastic end tanks on the ends of the cooling tubes.
It's perfectly fine if the cooling tubes are wider on the new radiator but don't buy it if the cross cooling tubes are narrower.
If you’re able to find a vehicle that was severely damaged from an accident where the vehicle was rear-ended, you’ll probably be able to find a used radiator in good or excellent condition.
If you are able to find a used radiator, and it was removed from a totaled or wrecked vehicle, you may have no way of telling if the vehicle was damaged in the engine area.
If you’re able to find a used radiator that is compatible with your vehicle, you’ll probably be able to purchase the used part at a fraction of the new radiator price.
If the vehicle was involved in a head-on accident or accident where the engine area was damaged, the radiator may have been affected even if there is no apparent physical damage to the unit.
Finding a used radiator for your vehicle may require a lot of research to find one in fitting condition.
When purchasing a used radiator, you will never be able to inspect the radiator while used on a functioning vehicle.
If you need to replace the radiator in your vehicle and are considering a used radiator, the pros and cons associated with using a used radiator are something you should understand thoroughly before buying one.
Another potential disadvantage when choosing to purchase a used radiator is the availability of a suitable radiator for your vehicle.
In fact, if you visit a local junkyard, you may be able to purchase the radiator at very little cost if you’re willing to remove the radiator yourself.
Even if you shop for used radiators on the Internet, many online dealers may not have a radiator for your vehicle in stock.
You can buy noiseless systems that aren’t car radiators too, and besides, I’m not sure how loud the pump would have to be to push the solution through all that distance.
This is an excellent build using a car rad passively, only cost the guy $75 for the rad off ebay! Keep in mind though that you will want to get a very strong pump to be able to handle this properly.
I haven’t really looked into the heat transfer in relation to the radiators for PC water cooling, but I would bet they fare well.
I don’t see why you would need to construct a cooler from a car radiator especially when your everyday liquid-cooler pump would not be able to push it through anyway.
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