High pressure fuel pump gasket

Soulfly!973

New member
I need to replace the high-pressure fuel pump gasket and O-ring on my wife’s 2012 Chevy equinox 2.4 eco-tech engine is there anything special I need to know about before I start? I see there is a pressure relief valve am I to release the pressure before I remove the pump to replace the gasket? Is there anything else I need to know about, any help or suggestions would be greatly appreciated.
 
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