Water Pumps
Jeep Grand Cherokee
Pontiac Grand Am
Grand Am SE

How do you replace the water pump on a 1998 Jeep Grand Cherokee 5.9L?

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2011-09-12 21:07:01
2011-09-12 21:07:01

Replaced my own on same vehicle. Drain all coolant. Remove lower hose from water pump and be careful not to damage sensor. There is a short upper hose on top of the water pump under the accessory bracket. If you can remove this you are home free but if not it can be a daunting task. I couldn't remove mine and it involved removing the alternator and A/C compressor. I think I might have also had to remove the power steering pump as well to get the accessory bracket off to gain access to the hose.

There is also a metal tube on the right side of the water pump. Disconnect the rubber hose from it and the hold down nut on the valve cover.

Remove all bolts from water pump. PAY CLOSE ATTENTION TO EACH BOLT LOCATION AS THEY ARE OF DIFFERENT LENGHTS. What I did was set the new pump nearby and as I removed each bolt from the old pump I put it into the proper location on the new pump so as to not get them mixed up.

The main thing is to take your time and study everything as you dissasemble it. This will make it easier to remember during installation. Write down notes if you have to.

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