If you want to prevent the over excessive heating of your vehicle, it is quintessential to have a regular maintenance of your cooling system. The cooling system helps extend the lifespan of your vehicle and diminish the occurrence of roadside emergencies.
Flushing your vehicle’s cooling system isn’t a difficult process. It is a pretty straightforward procedure which can be carried out with much each at home with few household tools and a proper technique. As a leader of the auto parts domain and the largest Tata Spare Parts exporters, BP Auto Spares India recommend drivers who are carrying out this procedure at home to follow the instruction manual along with the steps we are going to put together here.
Things you’ll need
- 3-5 gallons of distilled water
- Drain pan
- Empty buckets with lids
- Jack Kit
- Safety gloves, glasses
- Coolant specific to your vehicle
Procedure to flush your vehicle’s cooling system
Tip: If you are following procedure specific to the make and model of your car, the chances of air getting trapped in the system after the completion of the coolant flush process will be decreased.
Step 1: First park your car in a safe spot and turn off the engine. Let the engine cool off since all the repairs will be done under the hood of the car.
Step 2: Once the engine is cooled down, open the hood of the car, look under it and locate the radiator in the engine bay.
Step 3: Now, look at the bottom of the radiator, there you will find a drain spout or petcock. In order to access the drain spout or petcock, you need to remove splash shield (if your car has one) with a screwdriver.
Tip: Jack up the front end of your car to gain access to the spout or petcock on the radiator from underneath the vehicle.
Step 4: Now start opening the drain spout slowly and place an empty bucket below it. Try to open the spout manually otherwise use pliers. Upon loosening the spout cap, remove the radiator cap as well to increase the flow of coolant into the bucket. Let all of the coolant to drain completely.
Step 5: Once all of the coolant is drained, put the petcock back in place and fill the cooling system with distilled water. Put the radiator cap back on, again start the engine and let it run for 5 minutes.
Step 6: Now inspect the system pressure. Turn off the engine again and squeeze the upper radiator hose to see if the system has appropriately pressurized.
Step 7: Now open the petcock and radiator cap again and let the water drain out of the cooling system into the drain pan. Repeat the distilled water filling and draining process 2-3 times to flush out the old coolant from the system.
Step 8: Now fill the cooling system of your vehicle with the coolant specified for your vehicle.