Grand Vitara 2WD V6-2.5L (2004)
Thermostat: Service and Repair
Removal
1. Drain coolant and tighten drain plug.
2. Remove fan shroud with cooling fan after disconnecting radiator inlet hose from radiator (H25 engine only).
3. Remove thermostat cap (1).
4. Remove thermostat.
Installation
1. When positioning thermostat (1) and O-ring on thermostat case, be sure to position it so that
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air bleed valve (2) comes at top (G16 engine)
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air bleed valve (2) comes at match mark (3) and into the recession of thermostat case (J20 and H25 engines).
2. Install thermostat cap to intake manifold (G16 engine), water pump (J20 engine) or thermostat case (H25 engine).
3. Install cooling fan and fan shroud and connect radiator inlet hose to radiator (H25 engine only).
4. Fill cooling system.
5. Connect negative cable at battery.
6. After installation, check each part for leakage.
Inspection
1. Make sure that air bleed valve (1) of thermostat is clean. Should this valve be clogged, engine would tend to overheat.
2. Check to make sure that valve seat is free from foreign matters which would prevent valve from seating tight.
3. Check thermostat seal (2) and O-ring for breakage, deterioration or any other damage.