RADIATOR
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About your car's cooling system:
The basic understanding of how to flush the cooling system. You should familiar with the basic components of a your cooling system such as the water pump, radiator, thermostat, heater core, coolant overflow reservoir, radiator hoses, and heater hoses..... The parts of the procedure requires the engine to be running while at the operating temperature. Please use extreme caution while working around hot engine components and keep unnecessary parts away from this area,
When a car is driven, the engine will generates so much heat. Because of this, your car is require a cooling system to protect against damage and keep the engine cool within the operating temperature range.
The radiator, an integral part of the cooling system which designed to protect the engine from the destructive forces of extremely high heat. The radiator function is to lower the temperature of hot coolant coming from the engine and by cooling the air that passes through the radiator. A radiator is constructed with two keys components: Core made up of small flat tubes, and overflow tanks which are either on the top or bottom of the core . Some of it on the sides.
How to detect a problem for your radiator:
Your car radiator is the primary cooling system for your engine. If it fails, your car will overheat and need to be repaired. There are several common ways for car radiator failure:
When your car has a radiator problem, Usually you will take it to the closet mechanic for repairing without any worry. However, you are in the middle of nowhere. With a basic toolbox, you can often repair the car radiator and get yourself safely to the service station in an emergency situation.
What if you are far away from civilization and your car is overheating. Go take a close look at your radiator and cooling system. See if you can find any problem. Most cars' radiators are pretty easy to access with a screwdriver and a crescent wrench.
Check and quick repair damaged Core:
When repair a damaged car radiator core, remove the radiator and locate the
broken section. Use a pair of pliers to crimp or fold the sections of the core
surrounding the damage area. If you have quick-set epoxy or muffler cement,
allow the damaged section to dry thoroughly and then patch the leaks over. If
you are able to slow the leak without disabling radiator, you should able to
get to a service station.
Repair split or broken Hose with
tape:
When coolant hose is simply split, repair it with any heat resistant,
waterproof materials that you have inside the car. Heavy-duty tape will work
if wrapped tight enough (Don't use any electrical tape, it will not work).
A broken hose is very often to be seen. What you need to find is something that can bridge the broken part and will fits snugly inside the hose. A film can is what you need. Insert the improvised tube, push it back together, and fasten it together as firmly as you can.
Cracked hose:
A cracked or broke hose in the car radiator is a major problem and there is no
way to repair it. Basically, follow the "Repair split".
When the tank is getting empty:
When a slow leak happen, it means that you have to keep topping up the
fluid level until you get to the car radiator repair shop. Water will work if
you don’t have any coolant when happened.
How to remove your radiator:
Removing the radiator is a very simple. To begin, you should prepare the proper tools: several screwdrivers, a small crescent wrench, a socket set, and a bucket.
Here are the step you should follow:
Turn the car off and disconnect the negative battery cable from your car.
Use a screwdriver (or socket, if needed) to remove any molding, casing, or fan shrouds around your radiator. (Some of the auto radiators have fan units and sensors attached to them. Leave any unit attached to the radiator that will not impede its removal. Don't forget to disconnect all sensor and fan fittings.)
Find the radiator drain plug on the bottom of the radiator. Remove the radiator cap and place the bucket beneath the drain opening. Warning: if the engine has been running, the coolant inside the radiator will be extremely HOT. Leave the radiator cool down before going further step. Carefully unscrew the radiator plug and let the coolant drain from the radiator into the bucket.
Now disconnect the coolant hoses with a screwdriver. Drain any excess coolant in the hoses then into the bucket. When you are removing an old radiator, be careful of the hoses and hose clamps, as age and corrosion can make them fragile. It will hurt yourself while doing it.
For all the vehicles with automatic transmissions, you will need to remove the automatic transmission oil cooling lines. When doing this, be carefully unscrewing connections with the small crescent wrench and be careful not to damage the oil line fittings or the bend the lines.
Find your radiator's overflow tanks. On some models, the overflow tanks will be on the top and bottom; other models will have the tanks on the sides. If the tanks are on the sides of the radiator, the radiator mounting points will likely be on top corners of the tanks. For vehicles with top and bottom overflow tanks, the mounts are usually on the top corners of the the radiator’s frame.
Unscrew the holding bolts and carefully lift the radiator free from the vehicle.
Tip the radiator over the bucket to drain the remainder of the coolant completely.
This should be all you need to know to in order to safely removing your radiator from your car. Installing is easy, please follow these step.
What you should do:
| Problem | Symptom | Check |
| Coolant's color became yellow | Coolant became Rusted | Flush cooling system with tools then fill with fresh coolant |
| Hose damaged | Hose feel soft as not normal or very hard. Spilt or racked on hose and around. | Replace hoses and clamps. |
| Coolant spill from cap | Coolant spill out from the cap. | Check the radiator's cap. Replace if needed. |
| When belt damaged | Cracks or damaged on belt, cause your car overheated. | Check all belts. Replace if needed. |
| Coolant is low | Temperature warning light is on | Check coolant level. Fill up to proper level with coolant |
| Sludge or rust around the cap of the radiator | Sludge or rust visible around the radiator cap, engine became overheated. | Clean the radiator with the proper cleaner. If your car is more than 5 years, you may need to check or replace it. |
| Temperature is not normal when running | It take so much time to heat up, When the heater is on, the air is cold. | Check the thermostat. Replace if needed. |