Pickup Bed Alignment

Loosen the pickup bed bolts.
Center the pickup bed on the rear of the cab.
Set the gap between leading edge of the pickup bed and the back of the cab.
Tighten the bolts.
1. Tightening Torque
  1. 53-72 N.m {5.4-7.3 Kgf.m, 40-53 ft.lbf }
Fig 1: Aligning Pickup Bed
Courtesy of MAZDA MOTORS CORP.