Nissan Pathfinder: Engine Mechanical - Periodic Maintenance

• Drive Belt
• Air Cleaner Filter
• Spark Plug

Drive Belt Nissan Pathfinder

Exploded View

1.	Drive belt auto-tensioner	2.	Generator	3.	Compressor
4.	Drive belt	5.	Crankshaft pulley	A.	Drive belt auto-tensioner indicator
B.	View B	C.	Possible use range		Engine front

Checking Drive Belt

WARNING:

Inspect and check the drive belt with the engine off.

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

Check that the drive belt auto-tensioner indicator is within the possible use range.

NOTE:

• When new drive belt is installed, the drive belt auto-tensioner indicator should be within the new drive belt range.

• Check the drive belt auto-tensioner indicator when the engine is cold.

If the drive belt auto-tensioner indicator is out of the possible use range or drive belt is damaged, replace drive belt.

Tension Adjustment

• Drive belt tension is automatically adjusted by the drive belt auto-tensioner.

• Drive belt tension is not manually adjustable.

Removal and Installation

REMOVAL

Remove the front wheel and tire (RH) using power tool. Refer to Removal and Installation.

Remove the front fender protector side cover (RH). Refer to Exploded View.

While securely holding the hexagonal part in pulley center of drive belt auto-tensioner, move in the direction of arrow (loosening direction of drive belt auto-tensioner) using suitable tool.

WARNING:

Avoid placing hand in a location where pinching may occur if the holding tool accidentally comes off.

CAUTION:

Do not loosen the drive belt auto-tensioner pulley bolt. (Do not turn it counterclockwise. If turned counterclockwise, the complete drive belt auto-tensioner must be replaced as a unit, including pulley.)

Insert a rod approximately 6 mm (0.24 in) in diameter through the rear of drive belt auto-tensioner into retaining boss to lock drive belt auto-tensioner pulley.

NOTE:

Leave drive belt auto-tensioner pulley arm locked until drive belt is installed.

Remove drive belt from crankshaft pulley and then remove it from the other pulleys.

INSTALLATION

Install the drive belt onto all of the pulleys.

CAUTION:

Confirm belt is completely set on the pulleys.

Release drive belt auto-tensioner, and apply tension to drive belt.

WARNING:

Avoid placing hand in a location where pinching may occur if the holding tool accidentally comes off.

CAUTION:

Do not loosen the drive belt auto-tensioner pulley bolt. (Don't turn it counterclockwise. If turned counterclockwise, the complete drive belt auto-tensioner must be replaced as a unit, including pulley.)

Turn crankshaft pulley clockwise several times to equalize tension between each pulley.

Confirm drive belt auto-tensioner indicator is within the possible use range. Refer to Checking Drive Belt.

Install the front fender protector side cover (RH). Refer to Exploded View.

Install the front wheel and tire (RH) using power tool. Refer to Removal and Installation.

Removal and Installation of Drive Belt Auto-tensioner

REMOVAL

CAUTION:

• The complete drive belt auto-tensioner must be replaced as a unit, including the pulley.

• Do not loosen the drive belt auto-tensioner pulley bolt. (Do not turn it counterclockwise. If turned counterclockwise, the complete drive belt auto-tensioner must be replaced as a unit, including pulley).

Remove the drive belt. Refer to Removal and Installation.

Remove the drive belt auto-tensioner.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• If there is damage greater than peeled paint, replace drive belt auto-tensioner.

• Do not swap the pulley between the new and old drive belt auto-tensioner.

• The complete drive belt auto-tensioner must be replaced as a unit, including the pulley.

Air Cleaner Filter Nissan Pathfinder 5th Gen

Exploded View

Removal and Installation

REMOVAL

CAUTION:

It is not necessary to remove the front air duct to replace the air cleaner filter.

NOTE:

Replace the air cleaner filter per the periodic maintenance schedule or as necessary. Refer to Introduction of Periodic Maintenance.

Unhook air cleaner case side clips and lift air cleaner case (upper).

Remove the air cleaner filter.

INSTALLATION

Installation is in the reverse order of removal.

Spark Plug Nissan Pathfinder 5th Gen

Exploded View

Removal and Installation

REMOVAL

Remove the ignition coil. Refer to Removal and Installation (Bank 2) (Bank 2) and Removal and Installation (Bank 1) (Bank 1).

Remove the spark plug using Tool.

INSPECTION AFTER REMOVAL

Use the standard type spark plug for normal condition.

CAUTION:

• Do not drop or shock spark plug. Discard spark plug if dropped.

• Do not use a wire brush for cleaning.

• If plug is covered with carbon, a spark plug cleaner may be used.

• Spark plug gap adjustment is not required between replacement intervals.

  

• Measure spark plug gap. When it exceeds the limit, replace spark plug even if it is within the specified replacement mileage. Refer to Spark Plug.

INSTALLATION

Installation is in the reverse order of removal.

Preparation ++Transaxle & Transmission