2. Make sure that the seat belt reminder light comes on when the ignition is on.
3. Check the operation of the inertial mechanism for fixing the belts.
4. If signs of abnormal operation are detected, the belt assembly should be replaced.
27.5a Adjusting the tension of belts of 4-cylinder engines
1. Fan pulley; 2. Compressor pulley; 3. Lock nut; 4. Adjustment; 5. Bolt; 6, 10. Loosen; 7. Roller
[Data copied from web resource nissanbook.ru]
27.4 Checking the belt tension
1. Bar; 2. Ruler; 3. Belt deflection; 4. The ruler should be positioned perpendicular to the block
27.5b Adjusting the belt tension on a V6 engine
1. Compressor pulley; 2. Generator pulley; 3. Crankshaft pulley; 4. Power steering pulley; 5. Cooling pump pulley
27.6a To adjust the belt tension of some units, it is necessary to loosen the specified bolt,...
27.6b...bolt A and turn bolt B (on V6 engines)
29.2 Removing the filter cover
29.4 Removing the crankcase ventilation filter
30.6 Fuel filter on carburetor engines with electric pump