No you do not need to remove the motor. Just remove the bolt for the front and rear motor mounts, remove the airbox, and remove the serpintine belt. Then jack the motor up near the crank pulley with a jack and block of wood. You will then have enough room to get to the waterpump. I have 221,000 miles on my car and still have the original motor in it. It still runs as strong as ever. Just be sure to replace the timming chains and guides befor they go. This will ruin the motor for sure.
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