2006 Lexus IS 250 Scheduled Maintenance Guide - Page 30

E X P L A N AT I O N OF MAINTENANCE ITEMS M A I N T E N A N C E 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 cracks and damage. Replace any damaged parts. A qualified technician should perform these operations. Timing Belt (except GS 300 and IS) Replace every 90,000 miles or 108 months. A qualified technician should perform this operation. (The GS 300 and IS are equipped with a timing chain, which requires no periodic inspection.) Tire Rotation 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 Install new plugs of the same type as originally equipped. Refer to your Owner's Manual. A qualified technician should perform this operation. Steering Linkage and Boots 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. Transfer Case Fluid (GS 300 All-Wheel Drive, IS 250 All-Wheel Drive) 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, Periodic fluid checks and replacement of the transfer case fluid are not required. Any repairs that require adding or replacing fluid should be performed by a qualified technician following procedures in Lexus service and repair publications. 67 S c h e d u l e d M a i n t e n a n c e L o g