2007 Lexus RX 350 Owners Manual - Page 966

E X P L A N AT I O N OF MAINTENANCE ITEMS 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. 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 RX 350 is equipped with a timing chain that requires no periodic inspection. Tire Rotation Tires should be rotated according to the instructions in your Owner's Manual. When rotating tires, check pressure and check for damage and uneven wear. If the spare is not rotated, check the condition and pressure of the spare. MAINTENANCE Scheduled Maintenance Log 67