1. Before servicing the vehicle, refer to the Precautions section.

2. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.

3. Drain the coolant below the water thermostat.

4. Remove or disconnect the following:

Engine cover

Water outlet adapter and position aside

Water thermostat and the O-ring seal from the intake manifold




Fig. Position of thermostat housing-SOHC engine



Fig. Orientation of thermostat when installing-SOHC engine


To install:

1. Inspect the O-ring seal install a new seal if necessary.

2. Install or connect the following:

Thermostat into the intake manifold

Water outlet adapter and torque the bolts to 18 ft. lbs. (25 Nm)

Engine cover

Refill the cooling system, check for leaks and repair if necessary





DOHC Engine

NOTE
The thermostat is located toward the bottom of the engine.

1. Before servicing the vehicle, refer to the Precautions section.

2. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.

3. Drain the coolant system.

4. Raise and support the vehicle.

5. Remove or disconnect the following:

Coolant hose to thermostat housing

Coolant outlet

Thermostat and the O-ring seal






Fig. Orientation of thermostat when installing-DOHC engine


To install:

NOTE
Do not reuse hose clamps. Instead, use appropriately sized worm-style clamps in place of the constant tension clamps.

1. Inspect the O-ring seal and install a new seal if necessary.

2. Install or connect the following:

Thermostat and the O-ring seal

Coolant outlet and torque the bolts to 18 ft. lbs. (25 Nm)

Coolant hose to thermostat housing