2011 Nissan Sentra Owner's Manual - Page 302

DRIVE BELT Vehicles operated in high temperatures or under severe conditions require frequent checks of the battery fluid level. JUMP STARTING If jump starting is necessary, see "Jump starting" in the "In case of emergency" section of this manual. If the engine does not start by jump starting, the battery may have to be replaced. Contact a NISSAN dealer. WDI0638 WDI0696 MR20DE model QR25DE model 1. 2. 3. 4. 5. Automatic tensioner Generator Water pump Air conditioner compressor (with A/C) or Idler pulley (without A/C) Crankshaft pulley 1. 2. 3. 4. 5. 6. Crankshaft pulley Idler Pulley Automatic tensioner Water pump Generator Air conditioner compressor WARNING Be sure the ignition switch is in the OFF or LOCK position before servicing drive belt. The engine could rotate unexpectedly. Maintenance and do-it-yourself 8-17