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:

Engine oil and oil filter recommendations
Selecting the correct oil It is essential to choose the correct grade, quality and viscosity engine oil to ensure satisfactory engine life and performance. For additional information, see "Recommended fluids/lubricants and capacities". NISSAN recommends the use of an energy conserving oil in order ...

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 ...

Operating range
The Intelligent Key functions can only be used when the Intelligent Key is within the specified operating range. When the Intelligent Key battery is almost discharged or strong radio waves are present near the operating location, the Intelligent Key system’s operating range becomes narrower and ...