1991 Toyota Camry water pump

Drain the cooling system.
Remove the timing belt covers, timing belt and injection pump pulley as described in this section.
Remove the seven bolts and two injection pump holding nuts and remove the water pump and the water pump gasket.

Place the new water pump gasket onto the water pump and attach the water pump to the engine with the seven bolts and two holding nuts. Tighten the nuts and bolts to 13 ft. lbs. (18 Nm).
Install the injection pump pulley, timing belt and timing belt covers.
Fill the cooling system to the proper level with coolant.
Start the engine and check for leaks.
Check and adjust the engine idle and maximum speeds.