Water Pump: Inspection

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT WATER PUMP ASSEMBLY
1. Visually check the drain hole for coolant leakage.
2. Turn the pulley and check that the water pump bearing moves smoothly and does not make any noise.
  If necessary, replace the water pump assembly.
  
  Fig 1: Checking Water Pump Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002