Disconnect negative battery cable. Drain cooling system. Loosen bolts on water pump pulley and remove drive belts. Raise and support vehicle.
Support engine with universal engine support. Remove right engine mount. Remove upper and center timing belt covers.
If equipped with power steering, remove front transaxle mount, upper radiator hose and electric cooling fan. On all models, remove engine harness mounting bolt.
Remove coolant inlet pipe. Remove oil dipstick tube, and plug hole in oil pump housing (if necessary). Remove water pump retaining bolts, water pump and "O" ring from cylinder block.
Install NEW "O" ring on cylinder block and dipstick tube. Tighten bolts to specification. See TORQUE SPECIFICATIONS. To complete installation, reverse removal procedure. Adjust drive belt tension, and fill cooling system.