2007 Lexus RX 400h Owners Manual - Page 554

E X P L A N AT I O N OF MAINTENANCE ITEMS 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. For instructions on how to reset the reminder light, refer to your Owner's Manual. Engine Valve Clearance Inspect for excessive lifter noise and engine vibration and adjust if necessary. A qualified technician should perform this operation. Exhaust Pipes and Mountings Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration and damage. Start the engine and listen carefully for any exhaust leakage. Tighten connections and replace parts as necessary. Fuel Lines and Connections, Fuel Tank Band and Fuel Tank Vapor Vent System Hoses Visually inspect for corrosion, damage, cracks, and loose or leaking connections. Tighten connections and replace parts as necessary. Fuel Tank Cap Gasket Visually inspect for cracks, deterioration and damage and replace if necessary. Nuts and Bolts on Chassis Check that tightness of the seatmounting bolts and front/rear suspension-member retaining bolts matches torque measurements specified in the Repair Manual. Rear Differential Oil Check level and condition of oil and inspect the rear differential assembly case for signs of leakage. (The rear electric motor/generator does not require periodic maintenance.) Any service that requires inspecting or replacing rear differential oil should be performed by a qualified technician following procedures in Lexus MAINTENANCE 68 Scheduled Maintenance Log