no oil pressure on 1998 Toyota Tacoma

Installed new timing chains and new rotor gears in the oil pump. I have no oil pressure and do I need to prime oil pump and how do I do that?

Asked by for the 1998 Toyota Tacoma
2 answers 1 comment
been told u have too time oil pump is when replacing chains is this true
YOU NEED TO TAKE THE COVER OFF OF THE OIL PUMP AND PACK IT WITH PACKING GREESE
i have the same truck have the same problem does the pump have to be timed during assembly of chains i know the cam and crank have to be aligned as well as the balance shaft