FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Evaporative Check Valve: Testing and Inspection


INSPECTION PROCEDURE





1. Remove the two-way check valve.
2. Apply pressure or vacuum to port A of the valve using a vacuum pump, and check for air flow.

Reference Table:




Reference Graph:





3. If not as specified, replace the two-way check valve.