S10/T10 P/U 2WD L4-151 2.5L (1988)
Water Pump: Service and Repair
Fig. 13 Water Pump Bolt Replacement
1.
Disconnect battery ground cable, then drain coolant from radiator.
2.
Remove serpentine drive belt.
3.
Remove upper fan shroud, fan and clutch assembly.
4.
Remove water pump pulley, Fig. 13.
5.
Remove clamps and hoses from water pump.
6.
Remove water pump mounting bolts and retaining nut.
7.
Remove water pump and gasket.
8.
Reverse procedure to install. Tighten water pump retaining bolts to specifications.