Drive belt

MR20DE model
1. Automatic tensioner
2. Generator
3. Water pump
4. Air conditioner compressor (with A/C) or Idler
pulley (without A/C)
5. Crankshaft pulley

QR25DE model
1. Crankshaft pulley
2. Idler Pulley
3. Automatic tensioner
4. Water pump
5. Generator
6. Air conditioner compressor

Be sure the ignition switch is in the OFF or LOCK position before servicing drive belt.
The engine could rotate unexpectedly.
1. Visually inspect the belt for signs of unusual wear, cuts, or fraying. If the belt is in poor condition, have it replaced or adjusted by a NISSAN dealer.
2. Have the belt checked regularly for condition.
See also:
Underbody
In areas where road salt is used in winter, it is
necessary to clean the underbody regularly in
order to prevent dirt and salt from building up and
causing the acceleration of corrosion on the u ...
Safety
The 2007 Nissan Altima received a Good rating — the highest possible — in the
Insurance Institute for Highway Safety's frontal-offset crash test. As of
publication, IIHS hasn't subjected the A ...
Fuel recommendation
NISSAN recommends the use of premium unleaded
gasoline with an octane rating of at least
91 AKI (Anti-Knock Index) number (Research
octane number 96). If unleaded premium gasoline
is not avail ...
