I have a Volvo Penta 5.7 GXI. I removed the injectors to have them cleaned. They have been out before but not by me. The question where is the proper placement for the o ring that is on the engine side of the injector. My o rings were at the base of the injector and stayed in the manifold. The man at the injector shop said the had never seen any at that location and is normally up on the injector above the hard plastic disc. Any help would be appreciated.
