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Join Date: Aug 2010
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Quote:
Originally Posted by Nickshu View Post
The Airlift uses negative 24-26 psi. I too have used it many times with no problems.

I have also used the pressure drain method without any problem. I'm not sure what you could really damage... The system is rubber hoses, aluminum pipes and radiators, and the aluminum block. Only thing I can think of is if the heater core uses press fit o-ring connectors too much pressure too fast could blow it out.

If you blow out a hose at 10psi then you have bigger problems going on than just needing to replace old coolant!

Sent from my Galaxy S7 using Tapatalk
You are mixing up units here. The airlift generates 24-26 INCHES OF MERCURY VACUUM, not psig. No vacuum system can generate more than atmospheric pressure on a component, around 14.6 psi.......
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Old 12-27-2017, 08:33 AM
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