Question about 1998 Jeep Cherokee
Pump replacement is relatively simple. Make note of what bolts go where, use a flair nut wrench on line fitting so you don't damage it. Unless you got the replacement from a scrapyard, be aware that often the pulley from your old unit will need to be pressed onto the new one. Unless you have the correct tools to do that have the parts house or a local machine shop do that for you. When re-installing, put all bolts back in loosely before tightening any of them...that way slight warpage anywhere will not prevent them from going in straight. Make sure that you do not loose the "o" ring that was on the end of the pressure line. Most pumps come with a new one, but if it does not or you damage or loose it you most times can use the old one.
Once installed, fill the unit to the proper level, start the vehicle and again check the level. Turn the wheels all the way in one direction, then all the way in the other direction, making sure the fluid level remains full.
After a pump failure, it's a good idea to drain the new unit again by removing the line that is clamped on and re-filling/bleeding again. This removes much of the old oil remaining in the system and ensures to some degree that your new pump will last longer.
Posted on Jul 10, 2010
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Posted on Jan 02, 2017
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