Engine Coolant Thermostat Replacement L18

1. Drain the radiator until the coolant level is below the thermostat.
2. Loosen the inlet hose clamp (2) at the coolant crossover.



3. Remove the water outlet bolts (7).
4. Remove the water outlet (1).
5. Remove the thermostat (6) from the coolant crossover (3).

1. Install the thermostat (6) into the coolant crossover (3).
2. Install the water outlet (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the water outlet bolts (7).

Tighten
Tighten the water outlet bolts to 30 N·m (22 lb ft).




4. Install the inlet hose (1) to the coolant crossover.
5. Tighten the inlet hose clamp (2) at the coolant crossover.

Tighten
Tighten the inlet hose clamp to 5 N·m (44 lb in).

6. Fill the radiator until the coolant level is above the thermostat.