Nissan Altima (L32) 2007-2012 Service Manual ≻ Maintenance ≻ On-vehicle maintenance ≻ Engine maintenance (QR25DE) ≻ Drive belts

Nissan Altima (L32) 2007-2012 Service Manual: Drive belts

Checking Drive Belts

WARNING: Inspect the drive belt only when the engine is stopped.

NOTE: On vehicles not equipped with A/C, there is an idler pulley in the position for the drive belt routing.

• Make sure that the stamp mark of drive belt auto-tensioner is within the usable range.

NOTE: • Check the drive belt auto-tensioner indicator (notch) when the engine is cold.

• When the new drive belt is installed, the range should be “A” as shown.

• Visually check entire belt for wear, damage or cracks.

• If the indicator is out of allowable use range or belt is damaged, replace the belt.

Tension Adjustment

• Belt tension is not manually adjustable, it is automatically adjusted by the drive belt auto-tensioner.

Engine coolant

Changing Engine Coolant WARNING: • To avoid being scalded, never change the coolant when the engine is hot. • Wrap a thick cloth around cap and carefully remove the cap. First, turn the cap ...

Other materials:

Head restraints/headrests
WARNING Head restraints/headrests supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjustable head restraints/ headrests must be adjusted properly, as specified in this section. Check the adjustment after someone else ...

Tachometer
5 inch (13 cm) Type A (if so equipped) The tachometer indicates engine speed in revolutions per minute (rpm). Do not rev the engine into the red zone 1. 7 inch (18 cm) Type B (if so equipped) CAUTION When engine speed approaches the red zone, shift to a higher gear or reduce engine speed. Operati ...

Oil control system (if so equipped)
The oil control system can be accessed in the Maintenance portion of the vehicle information display settings. Engine oil information informs the distance to oil change. Never exceed one year or 7,500 miles (12000 km) between oil change intervals for the 2.0L 4 cylinder (KR20DDET engine model) or 1 ...