Suzuki 2000 Grand Vitara SQ625 Service Manual page 525

6B-20 ENGINE COOLING
3. Exhaust manifold cover
3. Thermostat cap
For J20 engine
1) Disconnect negative (–) cable at battery.
2) Drain coolant.
3) Remove radiator outlet hose from thermostat cap (2).
4) Remove heater outlet pipe bolt (1).
5) Remove generator belt by loosening tensioner pulley.
Refer to Section 6H.
6) Remove water pump assembly (1) by removing its 4 bolts (2).
NOTE:
Do not lose dowel pin when removing water pump (1).
For H25 engine
1) Disconnect negative (–) cable at battery.
2) Drain engine oil.
3) Drain cooling system.
4) Remove timing chain cover. Refer to Section 6A2.
5) Remove water pump assembly (1).