Oil Pump Sprocket Removal/Installation Note

1. Temporarily install the crankshaft pulley and crankshaft pulley lock bolt to the crankshaft, and lock the oil pump against rotation as shown in figure.

   Courtesy of MAZDA MOTORS CORP.

2. Remove/install the oil pump sprocket, and then remove the crankshaft pulley and crankshaft pulley lock bolt.

Tightening torque 

20-30 N.m {2.1-3.0 kgf.m, 15-22 ft.lbf}