Thermostat: Service and Repair

Component Legend
1 Bolt
2 Pulley
3 Engine Coolant Pump (Water Pump)
4 Gasket
5 Coolant Thermostat
6 Elbow Connection
7 O-ring
8 Retaining Clip
9 Bolt
10 Thermostat Flange
11 Pulley

NOTE: During removal and installation procedures, refer to the component location illustration above and component notes below.

COMPONENT NOTES
Bolt (1)
- Tighten to: 25 Nm (18 ft. lbs.).

Pulley (2)
- Ribbed Drive Belt version.

Engine Coolant Pump (Water Pump) (3)
- Check shaft for ease of movement.

Gasket (4)
- Always replace.

Coolant Thermostat (5)
- Checking:
Heat-up thermostat in boiling water
Opening commences approx: 87°C (188°F).
Ends approx: 102°C (215°F).
Opening lift: 7 mm (0.28 inch) minimum.

O-ring (7)
- Always replace.

Bolt (9)
- Tighten to: 10 Nm (7 ft. lbs.).

Pulley (11)
- V-belt version.