GS 300 RWD V6-3.0L (3GR-FSE) (2006)
D.
Remove the water inlet sub-assembly with thermostat. Remove the 3 nuts, water inlet with thermostat, and gasket.
E.
Remove the water inlet housing gasket and water outlet pipe's 0-ring.
9.
If leakage is confirmed in step 5, remove and replace the radiator assembly. Refer to TIS, 2006 model year GS 300 Repair Manual:
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Engine/Hybrid System - Cooling - "3GR-FSE Cooling: Radiator: Removal"
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Engine/Hybrid System - Cooling - "3GR-FSE Cooling: Radiator: Installation"
Repair Procedure:
Installation
1.
Install the water outlet sub-assembly.
A.
Install a NEW gasket to the water inlet housing.
B.
Install a NEW 0-ring to the water outlet pipe.