2011 Lexus RX 450h Warranty and Services Guide - Page 73

EXPLANATION OF MAINTENANCE ITEMS 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. Rack and Pinion Assembly Inspect the rack and pinion assembly for signs of leakage, damage and loose electrical connections. Tighten connections and if you discover any leakage or damage, have it repaired immediately by a qualified technician. 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 service and repair publications. Please refer to the important safety precautions on the inside front cover of this booklet. Road Test While driving the vehicle, check for proper operation of engine, transmission, brakes and steering. Also check the parking brake, and check for abnormal noise or vibration from any part of the vehicle. Spark Plugs Replace at specified interval. Install new plugs of the same type as originally equipped (see your Owner's Manual). A qualified technician should perform this operation. MAINTENANCE 71 Scheduled Maintenance Log