You can lubricate O-rings with coolant, install the first O-ring, gently push down into the O-ring pocket, install the mid-spacer, gently push down to the first O-ring, install the second O-ring, gently push down to the top of the mid-spacer, install the retainer clip, clean and inspect the pipe end for any nicks, scratches or cracks, install the fitting to the vehicle and fill the cooling system.
By BobGM Specialist
01/11/2022