2005 Lexus GX 470 Owners Manual - Page 697

E X P L A N AT I O N OF MAINTENANCE ITEMS M A I N T E N A N C E Propeller Shaft Spark Plugs Lubricate the propeller shaft spiders and slide yokes with lithium-base chassis grease and the double cardan joint with molybdenum-disulfide lithium-base chassis grease, and re-torque the flange bolts. Only a qualified technician should re-torque the flange bolts. If vehicle is submerged, lubricate within 24 hours, regardless of maintenance interval. Rack and Pinion Assembly Install new plugs of the same type as originally equipped. A qualified technician should perform this operation. Steering Linkage and Boots Inspect the rack and pinion assembly or steering gear box for signs of leakage. If you discover any leakage, have it repaired immediately by a qualified technician. Road Test 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 Belt Replace every 90,000 miles or 108 months. A qualified technician should perform this operation. 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. Tires should be rotated according to the instructions in your Owner's Manual. When rotating tires, check for damage and uneven wear. 111 M a i n t e n a n c e L o g