CAR Engine radiator

Cooling radiator: common defects and their signs

  1. Clogging of core.
    • Increasing of engine temperature.
    • Leakage of cooling liquid.
  2. External soiling of engine radiator.
    • Engine overheating.
    • Excessive consumption of cooling liquid.
  3. Depressurization.
    • Leaks on the car radiator and the engine.
    • Appearance of vaporous smoke from under the hood.
    • Appearance of antifreeze specific smell.
    • Boiling of anti-freeze during fast driving.

How to repair or replace cooling radiator?

The radiator is the main element of the engine cooling system, that is why it is very important to check the cooling liquid temperature indicator on the dashboard. This will help to timely detect signs of the radiator defect and prevent cooling system breakdown.

Repair of the engine cooling radiator is quite difficult and ineffective in most cases, because it decreases functionality and reliability of the part. So specialists recommend to perform replacement of the broken component. Actions sequence may have different peculiarities for cars of various models. It is recommended to check out car technical documentation before replacement of the component. But basically, you need to follow this algorithm:

  1. Install the car on a platform or a lift.
  2. Drain antifreeze into a bin, prepared in advance.
  3. Disconnect all pipes and auxiliary parts from the radiator; possibly the fan with its housing will also require demounting. If space of the engine compartment allows to demount the radiator together with the fan, it will be better to disconnect them after demounting.
  4. Disconnect all fastenings of the radiator and remove it.
  5. Install a diffusor and the fan onto a new part and perform assembling in the reverse order.

Replacement of the radiator on a car is performed only after engine cool-down.

It is advised to perform cooling radiator replacement at a service station.
Check pipes and hoses of the cooling system and replace them if necessary.
Fill the system with new cooling liquid after cooling radiator replacement.

Types:

  1. By presence of an air-conditioner in the car:
    • for cars with the A/C;
    • for cars without the A/C.
  2. By cores assembling technique:
    • assembled;
    • solid welded.
  3. By cores construction:
    • with tubes;
    • with tubes and fins;
    • with tubes and plates;
    • finned;
    • honeycomb.
  4. By core material:
    • steel;
    • copper;
    • brass;
    • aluminum.

Radiator (engine radiator) Information

In modern vehicles there are used liquid and oil radiators. They are designed to cool the working substances (water, antifreeze, oil) and ensure the normal temperature of the engine and other units. The radiator consists of a core, upper and lower tanks. This simple, at first glance, device is a guarantee of a reliable vehicle operation.

Almost all radiators consist of cooling units and tanks with tubes, which are located on the sides of the cooling radiator. Numerous thin plates that are mounted perpendicular to the tubes are designed to enhance the cooling with the contra flow when driving a car or created by the fan. Since radiators are, in fact, heat exchangers and have the function of the heat removal, they are located directly in front of the engine.

Working conditions consist in the fact that after you start the engine coolant can be heated up to 120 degrees.

After the engine stops and the liquid cools, the system pressure become below atmospheric pressure.

If the diagnostics showed that the radiator is out of order, there is a leak, etc., then the best option is to replace it. There is no need to visit all possible specialty shops and service centres. The best decision is to visit our online shop and buy the radiator here. You will save your time and money. Of course, we sell many other spare parts like master cylinder, rear muffler or brake booster.

Radiator (engine radiator): Bestsellers

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