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How to Pressure Test Vehicle Cooling System
Created on: 2019-03-07
How to use an antifreeze pressure tester and shows where to find potential leaks depending on the location.
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step 1 :Pressure Testing the Coolant System
- Place a drain pan near the suspected leak spot
- Remove the cap from the overflow bottle
- Pour coolant into the overflow bottle
- Insert the coolant pressure tester to the bottle with an adapter
- Press the pump and do not apply more pressure than what matches the psi labeled on the overflow cap
- Locate the spot of the leak
- Follow the drip and find its location
- If fluid is leaking out of the front, it could be a lower radiator hose or the radiator
- If fluid is leaking out of the engine block, check the water pump and intake gaskets OR
- Check the lower and upper radiator hose, hose clamps, or the thermostat
- If fluid is leaking near the fire wall, check the heater hoses
- If fluid is leaking near the drain near the firewall, check the heater core
- If fluid is leaking into the passenger compartment, check the heater core
Steam Coming Out of My Cars Hood How to Diagnose Overheated Engine
This video shows you what to check and diagnose when you have an overheating vehicle.
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