Refuel Vapor Control Valve Inspection

Check refuel vapor control valve for damage.
Apply 10 kPa (75 mmHg) vacuum to nozzle "A" (2) while holding body with its upper cap (1) facing downward and closing nozzle "B" (3) with finger using vacuum pump gauge and check that vacuum is maintained at that level (there is no leakage). If vacuum leaks, replace.
Special tool

09917-47911

Fig 1: Checking Refuel Vapor Control Valve For Damage
Courtesy of SUZUKI OF AMERICA CORP.
Tilt refuel vapor control valve (1) gradually while holding float (3) in the body through hole "A" (4) to keep it still. Then check that the valve on top of float moves smoothly.
If found malfunctioning, replace.

Fig 2: Tilting Refuel Vapor Control Valve
Courtesy of SUZUKI OF AMERICA CORP.
Put refuel vapor control valve in kerosene and check that float (1) moves smoothly to contact valve seat (2). If found malfunctioning, replace.

Fig 3: Putting Refuel Vapor Control Valve In Kerosene

Courtesy of SUZUKI OF AMERICA CORP.