Coolant Vacuum Fill

timc930

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Bought the OEM tools coolant refill 24444. How much vacuum should I pull before I fill, and do I need to keep the compressor air going to keep a constant vacuum?
 

mbw

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Mine went to about -25. Then close the valve and shut off the compressor. Let it sit for a minute and make sure you don't have leaks. Then open up the fluid fill.
 

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