Precaution should be taken mainly that the engine must be cold.
Never open a radiator cap on a hot engine as it will have built up pressure that could explode out possibly causing injury.
Since radiator fluid is damaging to the environment be sure to dispose of it properly.
Also, be sure not to leave open buckets of radiator fluid around pets, as it is poison to them and they may try to drink it.
Tools Needed for Flushing a Coolant System
- Utility Knife
- A Standard Garden Hose
A flush kit will be needed in this example we are using the popular Preston Kit.
Antifreeze is also needed when refilling the vehicle with fluid.
Locate the Inlet Heater Hose
One hose lets fluid flow in (Inlet) and one hose lets fluid flow out.
Sometimes they are marked on the firewall. If there is no marking follow the hoses, the Inlet hose will go to the top of the engine. The Outlet hose will go to the bottom of the water pump.
Connecting a Coolant Flush Kit
Using the Kit Coolant Flush Kit
Turn the garden hose ON to start flushing the vehicles coolant system.
Start the vehicle and set the heater to High.
Refill the vehicle coolant system and close it up.
The above is a basic step-by-step guide to using a flush kit to clean up a car or trucks coolant system and radiator.
Always remember to use safety precautions when doing any mechanical work.
Since the location of parts on vehicles often defer it is a good idea to get a manual on your car or truck for a quick reference.
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