Working With Car Coolant

The old anti-freeze will possibly rust and corrode the coolant system of the vehicle if not replaced with time

. With interval, the anti-freeze acid content grows and blocks the coolant and radiator passageways damaging the gaskets and water pump. This will make the engine suffer from higher temperatures, leakages and insufficient performance of cooling system. To avoid engine problems including overheating and freeze-ups, changing anti-freeze regularly is an important part of defensive maintenance. It keeps the vehicles performing at its most favorable levels. This article will guide you to replace a coolant system in a Do-It-Yourself style, just follow the simple directions for keeping the coolant system working properly for a longer time.

Tools and Things Needed

-Rag

-Drain pan

-Garden hose

Step-by-Step Directions

Step 1:

Before starting the task, ensure that the engine is sufficiently cool. Pull the hand brake and open the bonnet.

Step 2:

Take off the radiator cap and check the coolant by rubbing a finger in the anti-freeze mixture. Check if there is any presence oil, rust and foreign matter. If any such presence is found then the cooling system needs to be properly flushed and cleaned.

Step 3:

Inspect the clamps and radiator hoses for any possible leaks. Replace or repair as necessary after the anti-freeze has drained from the system.

Step 4:

The drain valve has to be located under the radiator.

Step 5:

The drain pan has to be placed on the ground under the drain valve of cooling system. Loosen the drain valve and take off the radiator cap.

Step 6:

Give some time for the coolant mixture to drain from system. In case the engine block is fitted with a bleed screw or a cooling drain plug, then the drain pan has to be placed under the plug for taking it out.

Step 7:

When the coolant stops draining from the engine block, remove the drain pan from under the car.

Step 8:

Now, run water through the cooling system by placing a garden hose on the radiator neck. Continue to flow water until clear water is seen coming out from the radiator, engine drain plug and valve.

Step 9:

Allow the water to drain out from the cooling system and then the radiator, engine drain valve and plug have to be tightened.

Step 10:

Use the equal amount of new anti-freeze and clean water to refill the cooling system. Fill the radiator up to the neck.

Step 11:

Now turn on the engine and leave it standing idle for couple of minutes till the thermostat opens. Inspect the coolant level and it should be made sure that it is filled with new coolant mixture (anti-freeze and water) till the Full Hot mark. In case there is no reservoir container in the vehicle, allow the engine to cool down, take off the radiator cap and use the new coolant to fill the system. The level should be almost one inch below the bottom of radiator neck. Keep checking until a correct level is maintained.

Tips and Precautions

-The anti-freeze has to be replaced after every time period of two years. It is essential for better functioning of engine coolant.

-Any spills of anti-freeze on the body of the car should be immediately wiped cleaned with a clean rag.

-The cooling system capacity of a specific car will be specified in the vehicle service manual besides locating the components. Many auto mobile parts stores

by: Tauqeer Hassan

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