2007 Lexus GS 450h Scheduled Maintenance Guide - Page 30

E X P L A N AT I O N OF MAINTENANCE ITEMS Differential Oil Check for correct oil level and inspect each differential component for signs of leakage. If you discover any leakage, have it repaired immediately by a qualified technician. Refer to your Owner's Manual for fluid specifications. Drive Belt Inspect for cracks, excessive wear and oiliness. Check the belt tension and adjust if necessary. Replace the belt if it is damaged. Engine Air Filter Check for damage, excessive wear and oiliness. Replace if necessary. Engine/Inverter Coolant When inspecting, visually check the engine/inverter coolant level on the see-through reservoir. Add coolant as necessary. When replacing, drain and flush the cooling system and refill with coolant. Always use Genuine Toyota Super Long-Life Coolant or similar high-quality non-silicate, nonamine, non-borate ethylene-glycol coolant with long-life hybrid organic acid technology (i.e., a combination of low phosphates and organic acids). A qualified technician should perform these operations. Please refer to the important safety precautions found on the inside front cover of this booklet. Note: Initial replacement is at 120 months/100,000 miles. Replace every 60 months/50,000 miles thereafter. Engine Oil and Oil Filter Replace the oil filter and drain and refill the engine oil at specified intervals. For recommended oil grade and viscosity, refer to your Owner's Manual. The GS 450h is equipped with a replaceable oil-filter element and oil-filter cap O-ring; replace both at each oil change. For instructions on how to reset the reminder light, refer to your Owner's Manual. Engine Valve Clearance The GS 450h is equipped with hydraulic valve lash adjusters that require no periodic clearance inspection or adjustment. MAINTENANCE 68 Scheduled Maintenance Log