Nissan Frontier. Manual - part 735

DRIVE BELTS

EM-129

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PERIODIC MAINTENANCE

DRIVE BELTS

Exploded View

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Checking Drive Belts

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WARNING:

Be sure to perform when the engine is stopped.
1. Remove air duct and resonator assembly when inspecting drive belt. Refer to 

EM-141, "Removal and

Installation"

.

2. Make sure that the auto-tensioner indicator is within the allow-

able working range (A) as shown.

3. Visually check entire belt for wear, damage or cracks.
4. If the indicator is out of allowable working range or drive belt is

damaged, replace the drive belt. Refer to 

EM-129, "Removal

and Installation"

.

Adjustment

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There is no manual drive belt tension adjustment. The drive belt tension is automatically adjusted by the drive

belt auto-tensioner.

Removal and Installation

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REMOVAL

1. Remove air duct and resonator assembly. Refer to 

EM-141, "Removal and Installation"

.

LBIA0427E

1.

Drive belt

2.

Power steering oil pump pulley

3.

Generator pulley

4.

Crankshaft pulley

5.

A/C compressor

6.

Cooling fan pulley

7.

Idler pulley

8.

Drive belt tensioner

AWBIA0723ZZ

EM-130

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DRIVE BELTS

2. Rotate the drive belt auto-tensioner in the direction of arrow

(loosening direction of tensioner) as shown, using suitable tool.

WARNING:

Avoid placing hand in a location where pinching may occur

if the tool accidentally comes off.

3. Remove the drive belt. 

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Make sure belt is securely installed around all pulleys.

Drive Belt Auto-Tensioner and Idler Pulley

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REMOVAL

1. Remove air duct and resonator assembly. Refer to 

EM-141, "Removal and Installation"

.

2. Remove drive belt. Refer to 

EM-129, "Removal and Installation"

.

3. Remove drive belt auto-tensioner and idler pulley.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

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

LBIA0428E

AWBIA0861GB

1.

Idler pulley

2.

Drive belt auto-tensioner

AIR CLEANER FILTER

EM-131

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AIR CLEANER FILTER

Exploded View

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Removal and Installation

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REMOVAL

1. Disconnect air duct and resonator assembly from the air cleaner case (upper).
2. Disconnect mass air flow sensor.
3. Unhook clips, and lift air cleaner case (upper).
4. Remove air cleaner filter.

INSTALLATION

Installation is in the reverse order of removal.

1.

Air cleaner case (lower)

2.

Air cleaner filter

3.

Air cleaner case (upper)

4.

Mass air flow sensor

5.

Air duct and resonator assembly

Front

AWBIA1521ZZ

EM-132

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SPARK PLUG

SPARK PLUG

Exploded View

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Removal and Installation

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REMOVAL

1. Remove ignition coil. Refer to 

EM-157, "Removal and Installation"

.

2. Remove spark plug using suitable tool.

CAUTION:

Do not drop or shock it.

INSPECTION AFTER REMOVAL

• Do not use a wire brush for cleaning.

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

1.

Ignition coil

2.

Spark plug

PBIC2901E

SEM294A

SMA773C