74. Engine Coolant Thermostat Housing Installation

Engine Coolant Thermostat Housing Installation

Caution: Refer to Engine Coolant Thermostat Housing Caution Service Precautions.

1. Clean sealing surface.
2. Install a NEW engine coolant thermostat housing seal.




3. Install the engine coolant thermostat housing (2).

Caution: Refer to Fastener Caution Fastener Caution.

Note: Screw in the 4 bolts until the engine coolant thermostat housing is in contact with the cylinder head.

4. Install the 4 engine coolant thermostat housing bolts (3) and tighten to 2 Nm (18 lb in).





Caution: Following the proper fastener tightening sequence and torque is essential. Failure to do so may fracture the thermostat housing.

5. Tighten the 4 engine coolant thermostat housing bolts to 8 Nm (71 lb in) in sequence (1-2-3-4).




6. Install the engine coolant thermostat housing retainer (1).
7. Install the engine coolant thermostat housing retainer nut (4) and tighten to 6 Nm (53 lb in).