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International Automotive Technicians Network
Re: Evap Port Schrader Valves
Posted to Technical Discussion Forum on 2/8/2018

The caps rarely are the cause of leakage. I have replaced very few over the years, and those have been rather obvious fails. AM caps are always suspect however, so I only recommend OEM when I need to replace one. I checked over 150 vehicles last year for evap ... Login to read more.