For (a), completely wipe out liquid gasket extended on a portion touching at engine coolant.
Apply liquid gasket on installation position of water pump and cylinder completely.
Align the rear timing chain case and water pump assembly with the dowel pins (RH and LH) on the cylinder block and install the case. Make sure the O-rings stay in place during installation.
Tighten the bolts in the numerical order as shown. There are two bolt lengths used. Follow the chart below for proper bolt length specifications.
After all bolts are initially tightened, retighten them to the specification in the numerical order as shown.