Sentra Hatchback Coupe L4-1597cc 1.6L SOHC (E16i) (1987)
Air Induction Valve: Testing and Inspection
Air Injection Valve Case
1.
Disconnect vacuum hose to vacuum motor and connect a hand vacuum pump to the hose.
2.
Disconnect vacuum hose between air injection valve case and box.
3.
Apply vacuum to vacuum motor and attempt to blow into air injection valve case through the hose. Air should flow freely only when vacuum is
applied to the vacuum motor.