Good question. It should not matter because they operate the same it is just the quality is different.
When bleeding this system I would use a funnel called a spill free funnel because it allows you to keep pressure on the system with fluid so when air pockets open up or pop the air comes out and it immediately pulls coolant into the void. Then jack up the front of the vehicle and only the side of the radiator cap. Basically you want to raise the radiator cap as high as possible because the air will rise and you want it to rise towards the cap.
The process to do it is, hook up the funnel then fill the funnel about half way (not too much because if it pushes some out it will overfill the funnel). Then start the engine and turn the heat on as hot as possible and the fan on low. Run the engine so it warms up and you will see bubbles start to come out. Let it run for about 15 minutes then put the plunger in the funnel and remove it. Remove the radiator cap attachment and top off the radiator and put your cap back on. Take it for a drive to see if the noise is gone.
If you see small bubbling the entire time that is pretty consistent that is just the capitation of the water pump and not air pockets coming out.
Using this funnel I have never had an air pocket that I couldn't get out.
Let me know if you have questions. If you need to, there are a ton of videos online of people using this funnel.
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Tuesday, October 27th, 2020 AT 11:44 AM