2003 Nissan 350Z Owner's Manual - Page 178

DRIVE BELTS 1. Visually inspect each belt for signs of unusual wear, cuts, fraying, oil adhesion or looseness. If the belt is in poor condition or loose, have it replaced or adjusted by your NISSAN dealer. 2. Have the belts checked regularly for condition and tension. SPARK PLUGS WARNING Be sure the engine and ignition switch are off and that the parking brake is engaged securely. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. SDI1389A 1. Power steering fluid pump 2. Alternator 3. Crankshaft pulley 4. Air conditioner compressor : Tension checking points REPLACING SPARK PLUGS If replacement is required, see your NISSAN dealer for servicing. WARNING Be sure the ignition key is in the OFF or LOCK position. The engine could rotate unexpectedly. Maintenance and do-it-yourself 8-17