Thermostat - Inspection
Immerse the water inlet with thermostat in water and gradually heat the water.
Thermostat - Removal
Remove the 11 clips and intake duct seal.
Thermostat - Components
Lexus IS250 IS220d GSE20 ALE20 2AD-FHV COOLING
Water Pump - Installation
Align the protrusions and install a new gasket onto the timing chain cover.
Water Pump - Inspection
Turn the pulley and check that the water pump bearing moves smoothly and quietly.
Water Pump - Removal
Remove the 11 clips and intake duct seal.
Water Pump - Components
Lexus IS250 IS220d GSE20 ALE20 2AD-FHV COOLING
Coolant - On-Vehicle Inspection
Remove the radiator cap.
Cooling System - On-Vehicle Inspection
Fill the radiator with coolant and attach a radiator cap tester.
Cooling System - System Diagram
Lexus IS250 IS220d GSE20 ALE20 2AD-FHV COOLING