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 maintenance (QR25DE)
Engine coolant