Engine Coolant Thermostat Replacement LY2, LH6, LY5, LY6, L92

1. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .
2. Remove the thermostat.

1. Install the thermostat.
2. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .

Engine Coolant Thermostat Replacement LU3

1. Remove the water outlet tube. Refer to Water Outlet Tube Replacement.
2. Remove the water outlet.



3. Remove the thermostat.
4. Clean the sealing surface of the water outlet.
5. Clean the sealing surface of the intake manifold.
6. Remove and discard the O-ring seal.

1. Install a NEW O-ring seal to the thermostat.
2. Install the thermostat.



3. Install the water outlet.
4. Install the water outlet tube. Refer to Water Outlet Tube Replacement.

Engine Coolant Thermostat Replacement LMM

1. Remove the water outlet. Refer to Water Outlet Tube Replacement.
2. Remove the bolt for the fuel line bracket.
3. Remove the fuel line bracket.
4. Remove the thermostat housing cover bolts (1).
5. Remove the thermostat housing cover.
6. Remove the thermostats and seals.

1. Inspect the thermostats for sticking, cracks, and/or leakage of wax.
2. Replace the thermostats if damage is found.
3. Clean the thermostat housing and thermostat housing cover sealing surfaces.

1. Install the thermostats and seals to the thermostat housing.

The rear thermostat (4) has 2 vent valves. Install with the vent valves towards the rear of engine.

Notice: Refer to Fastener Notice in the Preface section.




2. Install the thermostat housing cover.
3. Install the thermostat housing cover bolts (1).

Tighten
Tighten the bolts to 21 N·m (15 lb ft).

4. Install the fuel line bracket.
5. Install the fuel line bracket bolt.

Tighten
Tighten the bolt to 21 N·m (15 lb ft).

6. Install the water outlet tube. Refer to Water Outlet Tube Replacement.