Four-cylinder engines, Disconnect the negative battery cable from the ground stud on the left shock tower. Raise the vehicle and securely support it on jackstands. Remove the right inner splash shield. Remove the drive belts. Drain the cooling system. Using a floor jack (with a wood block placed between the jack head and the oil pan to prevent engine damage), support the engine from underneath and remove the right engine mount. Remove the power steering pump bracket bolts and move the power steering pump and bracket aside. The power steering lines do not have to be disconnected. Remove the right engine mount bracket. Remove the timing belt. Remove the inner timing belt cover. Remove the bolts attaching the water pump to the engine block and remove the pump. Install a new O-ring in the water pump body groove. Installation is the reversal of removal. Tighten the mounting bolts. Reinstall the pulleys and drive belts and check for tension. Refill the cooling system. Run the engine and check for leaks. V6 engine: Disconnect the negative battery cable from the ground stud on the left shock tower. Remove the drive belts and drain the cooling system. Remove the crankshaft damper/pulley, timing belt covers, and timing belt. Remove the water pump mounting bolts. Separate the pump from the water inlet pipe and remove the pump. Clean all the gasket and O-ring surfaces on the pump and the water pipe inlet tube. Install a new O-ring on the water inlet pipe. Wet the O-ring with water to facilitate assembly. Install a new gasket on the water pump and install the inlet opening over the water pipe. Press the water pipe into the pump housing. Install the water pump mounting bolts and tighten the bolts. Install the timing belt. The remainder of the installation is the reverse of removal. Refill the cooling system and operate the engine to check for leaks.