2007 Lexus ES 350 Owners Manual - Page 508

E X P L A N AT I O N OF MAINTENANCE ITEMS 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. Power Steering Fluid When inspecting, visually check the power steering fluid level on the seethrough reservoir. Add fluid as necessary. For fluid specifications, refer to your Owner's 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. Road Test While driving the vehicle, check for proper operation of engine, transmission, brakes and steering. Also check for abnormal noise or vibration from any part of the vehicle. Spark Plugs Replace at specified interval. To ensure optimum engine performance, replace only with Denso FK20HR11 plugs or equivalent. A qualified technician should perform this operation. Steering Linkage and Boots With the vehicle stopped, check for excessive freeplay in the steering wheel. Inspect the linkage for bending and damage and the dust boots for deterioration, cracks and damage. Replace any damaged parts. A qualified technician should perform these operations. Timing Chain The ES 350 is equipped with a timing chain that requires no periodic inspection. MAINTENANCE 66 Scheduled Maintenance Log