How can you tell if a water pump is bad or going bad?
different typ,s of water pumps have different typs of seals most are cermaicsome are wick or rope if ceramic it will weep from the weep hole and the bearing could make noise but not alway,s if it is a rope or wick seal it,s supposed to leak a little if it leak,s a lot you can tighten up the gland nut the question is vague but these are the most common answers
