I have just removed the power steering pump from the engine block.
It took me four sessions of work, each lasting maybe around two hours of after office evening. Well, it was challenging and fun; though I wished those design engineers, sons of their mothers and God love them, would just have the common sense to put the contraption on the engine block in such a way and manner and in a position; so that guys like me could remove them easily and quickly.
Now I think I can put it back on the engine block in twenty minutes at most, having mastered the knowledge and the maneuvers of its removal.
This Mazda '97 323 power steering pump (KYE 7607 9-2) is no bigger than the typical size of an adult pig’s heart. Go to the meat shop and look up a pig’s heart.
It does not look so formidable. There is the input opening and the output opening, and a protruding shaft ending in a pulley wheel. Now, the cover of the pump is at the other end of the shaft, and secured to the housing of the pump by four bolts. Pardon the non-technological vocabulary, I just employ whatever words I can command.
My suspicion is that the leak must be occurring at the input opening which is sealed against leakage with a rubber O-ring, kept in place by a tubular plastic attachment, the ending to the input rubber hose coming from the fluid reservoir. This spot seems to me the most leak-prone of the pump. The whole attachment to this input opening is secured by one small bolt on the side fastened into the housing of the pump. What do you think? I will try changing this rubber O-ring and return the pump back to the engine block – then observe as I put the car back on duty.
I hope Racer you don’t get annoyed, but do you think I can get a hand held black light in the average hardware/electrical shop? I am really an ignoramus here; but a flashlight that emits a beam of black light, wouldn’t blocking light from getting to the spot in question be the same?
I am not inclined to suspect leakage from the opening on which the shaft rotates, because the rubber sealing ring there usually lasts years and years, as witness the similar sealing ring at the end of the big main driving shaft of the engine. But one can never tell.
I once changed that one also, in a car which had been going on for some fifteen years when a leak developed there – believe me. You can change that seal ring from the outside world, without opening up any part of the engine block.
But that is the suspicion of most you guys here in regard to power steering pumps; and you are most probably right. I will take a gamble just the same, a luxury of my stubbornness, and laziness.
Back to the power steering pump, what about the output opening? It is sealed with two copper rings, one on each side-end of a hollow bolt that serves as the conduit connecting to the rubber hose, for the pressurized fluid to rush to the steering gear below linking the front wheels. Leak proof condition can always be obtained and secured by a good tightening of this conduit-bolt(?).
I don’t think I will open up the pump and have the luxury of looking inside, to satisfy my peeping curiosity. I will just presume that the leak does not happen at the seam between the housing and the cover, because it’s quite well secured with four bolts. What do you guys think? Besides, the pump is working right, otherwise.
Well, guys here, do you have further suggestions and tips…? I really appreciate your time and trouble to share with me your knowledge and experience. God bless you.
Susma Rio Sep
PS: Pardon me also, you guys here, but I am just one son of my mother who have this itch of always trying to patch up things myself, instead of buying a rebuilt substitute. If you have this kind of an itch, you will understand.