Output Rod Length Inspection

Using a handy vacuum pump, apply a vacuum of -66.7 kPa (-500 mmHg, -19.69 inHg) to brake booster.
Check output rod length.
Standard dimension when applying a vacuum of -66.7 kPa (-500 mmHg, -19.69 inHg):

15.6 - 15.9 mm (0.614 - 0.626 in)

Fig 1: Applying Vacuum Using Handy Vacuum Pump
Courtesy of NISSAN MOTOR CO., U.S.A.