Topic: Re: MF 175 Power Steering Pump Removal
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From your description, I believe you have removed the three retaining bolts to remove the pump. But take a second look before you "get serious" about removing it. The lower of the mounting bolts is the tricky one. You may have inadvertently removed one of the timing cover retaining bolts by mistake.
Later aftermarket replacement pumps only utilise two bolts to retain it.
If the rear housing has cracked, and leaking oil, it may possibly be that the relief valve has jammed, and over-pressurised the pump at some stage. The relief valve is located on the rear section.
I'm only familiar with the English versions of the 175's, and these were solely "power assisted" steering, not full hydro-static systems. The U.S. versions may be either.Replacement pumps for either come with the valve factory set, so source a replacement pump and away you go. Cost effectively, it won't be an option to rebuild your old pump.
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