GS 350 AWD V6-3.5L (2GR-FSE) (2009)
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Is the thermostat assembly securely seated in the thermostat housing? See Figures 1 and 2 for reference.
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YES - This TSIB does NOT apply. Refer to the Repair Manual and follow diagnostics for the DTC.
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NO - Go to step 3.
3. Replace the thermostat and thermostat housing.
Refer to the Technical Information System (TIS) applicable model and model year Repair Manual:
4. After the repair is complete clear any stored DTCs and test drive the vehicle to confirm the repair.
