Removal and Installation of Front Wiper Arms, Adjustment of Front Wiper Arms Stop Location

Prior to wiper arm installation, turn on front wiper switch to operate front wiper motor and then turn it "OFF" (Auto stop).
Lift the blade up and then set it down onto glass surface to set the blade center to clearance "A" and "B" immediately before tightening nut.
Eject washer fluid. Turn on front wiper switch to operate front wiper motor and then turn it "OFF".
Ensure that wiper blades stop within clearance "A" and "B".
Clearance "A": 32.5 - 47.5 mm (1.280 - 1.870 in)

Clearance "B": 24.5 - 39.5 mm (0.965 - 1.555 in)

Fig 1: Adjusting Front Wiper Arms Stop Location
Courtesy of NISSAN MOTOR CO., U.S.A.
- Tighten wiper arm nuts to specified torque.
  Front wiper arm mounting nuts : 23.6 N.m (2.4 kg-m, 17 ft-lb)
- Before reinstalling wiper arm, clean up the pivot area as illustrated. This will reduce possibility of wiper arm looseness.
  
  Fig 2: Cleaning Wiper Arm Mounting Pivot Area With Wire Brush
  Courtesy of NISSAN MOTOR CO., U.S.A.