Nissan Frontier D40. Manual - part 837

ENGINE MAINTENANCE (QR25DE ENGINE)

MA-29

< ON-VEHICLE MAINTENANCE >

C

D

E

F

G

H

I

J

K

L

M

B

MA

N

O

A

2.

Remove the oil filter using Tool as shown.

WARNING:

Be careful not to burn yourself, as the engine and engine oil
may be hot.

CAUTION:

• Oil filter is equipped with a pressure relief valve.
• Use Genuine NISSAN Oil Filter or equivalent.
• When removing, position a shop cloth to absorb any

engine oil leaks or spills.

• Do not allow engine oil to adhere to drive belts.
• Completely wipe off any engine oil that adheres to the engine and the vehicle.

INSTALLATION

1.

Remove foreign materials adhering to the oil filter seal mating surface.

2.

Apply clean engine oil to the oil filter seal circumference of the
new oil filter as shown.

3.

Screw on the oil filter manually until it touches the installation
surface, then tighten it by 2/3 turn as shown. Or tighten to speci-
fication.

4.

Refill the engine with new oil. Refer to 

LU-10, "Changing Engine Oil"

.

5.

Inspect the engine for oil leaks. Refer to 

LU-9, "Inspection"

.

INSPECTION AFTER INSTALLATION

1.

Check the engine oil level. Refer to 

LU-9, "Inspection"

.

2.

Start the engine and check for engine oil leaks.

3.

Stop the engine and wait for 10 minutes.

4.

Check the engine oil level and add engine oil as required.

SPARK PLUG

Tool number

: KV10115801 (J-38956)

KBIA0303E

SMA010

Oil filter

: 17.7 N·m (1.8 kg-m, 13 ft-lb)

SMA702C

MA-30

< ON-VEHICLE MAINTENANCE >

ENGINE MAINTENANCE (QR25DE ENGINE)

SPARK PLUG : Exploded View

INFOID:0000000005272745

SPARK PLUG : Removal and Installation

INFOID:0000000005272746

REMOVAL

1.

Remove the intake manifold (except for spark plug No.1). Refer to 

EM-27

.

2.

Remove the ignition coil. Refer to 

EM-35

.

3.

Remove the spark plug using a 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

3.

Rocker cover

PBIC2995E

PBIC2996E

SMA773C

ENGINE MAINTENANCE (QR25DE ENGINE)

MA-31

< ON-VEHICLE MAINTENANCE >

C

D

E

F

G

H

I

J

K

L

M

B

MA

N

O

A

• Checking and adjusting spark plug gap is not required between

change intervals.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Do not drop or shock the spark plug.

EVAP VAPOR LINES

EVAP VAPOR LINES : Checking EVAP Vapor Line

INFOID:0000000005272747

1.

Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.

2.

Inspect fuel tank filler cap vacuum relief valve for clogging and sticking.

Cleaner air pressure

: Less than 588 kPa (5.9 bar, 6 kg/cm

2

, 85 psi)

Cleaning time

: Less than 20 seconds

SMA806CA

Make

NGK

Standard type

PLZKAR6A-11

Gap (nominal)

1.1 mm (0.043 in)

MA-32

< ON-VEHICLE MAINTENANCE >

ENGINE MAINTENANCE (VQ40DE)

ENGINE MAINTENANCE (VQ40DE)

DRIVE BELT

DRIVE BELT : Exploded View

INFOID:0000000005272748

DRIVE BELT : Checking Drive Belts

INFOID:0000000005272749

WARNING:

Be sure to perform when the engine is stopped.
1.

Remove air duct and resonator assembly when inspecting drive belt. Refer to 

EM-139, "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-127, "Removal

and Installation"

.

DRIVE BELT : Adjustment

INFOID:0000000005272750

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

ENGINE COOLANT

ENGINE COOLANT : System Inspection

INFOID:0000000005272751

WARNING:

• Never remove the radiator/reservoir cap when the engine is hot. Serious burns could occur from

high pressure fluid escaping from the radiator or reservoir.

• Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pres-

sure to escape. Carefully remove the cap by pushing down and turning it all the way.

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