Nissan Frontier D22. Manual - part 685

ENGINE ASSEMBLY

EM-47

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CAUTION:

●

When lifting engine, be sure to clear surrounding parts. Take special care near accelerator wire
casing, brake lines and brake master cylinder.

●

In hoisting the engine, always use engine slingers in a safe manner.

●

Before separating engine and transmission, remove the crankshaft position sensor (OBD) from
the assembly.

●

Always take extra care not to damage edge of crankshaft position sensor (OBD) or ring gear teeth.

REMOVAL

1.

Drain the coolant from engine block and radiator. Refer to 

MA-16, "Changing Engine Coolant"

 .

2.

Release the fuel pressure. Refer to 

EC-46, "FUEL PRESSURE RELEASE"

 . Disconnect the fuel hose.

3.

Remove the negative battery cable.

4.

Remove the hood. Refer to 

EI-12, "Removal and Installation"

 .

5.

Remove the air cleaner.

6.

Remove the power steering drive belt, generator drive belt and A/C compressor drive belt.

7.

Remove the radiator. Refer to 

CO-14, "Removal and Installation"

 .

8.

Remove the exhaust manifold heat shield.

9.

Disconnect the exhaust system at rear of TWC (manifold).

10. Remove the A/C compressor from bracket. Refer to 

MTC-67, "Removal and Installation for Compressor"

 .

11. Disconnect the accelerator wire, vacuum hoses, electrical connectors, heater hoses and vacuum booster

hose.

12. Remove the four power steering pump bolts.

13. Remove the transmission. Refer to 

MT-10, "Removal and Installation"

  (FS5W71C), 

MT-48, "Removal and

Installation"

  (FS5R30A), 

AT-62, "REMOVAL AND INSTALLATION"

  (RL4R01A), 

AT-407, "REMOVAL

AND INSTALLATION"

  (RE4R01A).

14. Install the engine slingers and attach engine lift hooks as shown.

15. Remove the LH and RH engine mounts.

16. Lift and remove the engine.

INSTALLATION

Installation is in the reverse order of removal.

WBIA0111E

EM-48

[KA24DE]

CYLINDER BLOCK

CYLINDER BLOCK

PFP:11010

Components

EBS00GSO

WBIA0181E

CYLINDER BLOCK

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Removal and Installation

EBS00GSP

1.

To remove the cylinder block for disassembly, remove the engine. Refer to 

EM-46, "Removal and Installa-

tion"

 .

CAUTION:

●

When installing sliding parts, lubricate the contacting surfaces with new engine oil.

●

Place removed parts such as bearings and bearing caps in their proper order and direction.

●

When installing connecting rod nuts and main bearing cap bolts, apply new engine oil to the
threads and seating surfaces.

●

Do not allow any magnetic materials to contact the ring gear teeth of the flywheel or drive plate.

2.

Installation is in the reverse order of removal.

Disassembly

EBS00GSQ

PISTON AND CRANKSHAFT

1.

Place the engine on a work stand.

2.

Remove the oil pan. Refer to 

EM-16, "Removal"

 .

3.

Remove the timing chain. Refer to 

EM-20, "Removal"

 .

4.

Remove the water pump. Refer to 

CO-10, "Removal"

 .

5.

Remove the cylinder head. Refer to 

EM-33, "Removal"

 .

6.

Remove the pistons with connecting rods.

CAUTION:

Use care not to scratch the engine block cylinder bore
when removing the piston and connecting rod assemblies.

7.

Remove bearing caps in the numerical order as shown, and
remove the crankshaft.

a.

Loosen the main bearing cap bolts in several steps in the
numerical order as shown.

●

Before removing the main bearing caps, mark the location
and direction on each cap and bolt for correct placement for
installation.

●

Before removing the main bearing cap bolts, measure crank-
shaft end play. Refer to 

EM-53, "CRANKSHAFT"

 .

1.

Block heater

2.

Drain plug

3.

Cylinder block

4.

Rear oil seal retainer

5.

Rear oil seal

6.

Drive plate reinforcement (A/T)

7.

Drive plate (A/T)

8.

Rear plate (A/T)

9.

Pilot converter (A/T)

10. Dust cover (A/T)

11.

Flywheel (M/T)

12. Rear plate (M/T)

13. Pilot bushing (M/T)

14. Main bearing cap

15. Main bearing

16. Connecting rod bearing

17. Connecting rod

18. Snap ring

19. Piston pin

20. Piston

21. Piston rings

22. Crankshaft

23. Oil strainer

24. Oil jet

25. Oil seal

SEM744

EEM118

EM-50

[KA24DE]

CYLINDER BLOCK

b.

Using the main bearing cap bolts, remove the main bearing cap
while shaking it right and left as shown.

●

Remove the No. 3 and No. 5 main bearing caps using Tool.

8.

Remove the crankshaft.

9.

Remove the main bearings from the cylinder block journals and the main bearing caps.

CAUTION:

Before removal, mark the main bearings with their location and direction for installation into their
original position.

10. Remove the oil jets.

Inspection

EBS00GSR

PISTON AND PISTON PIN CLEARANCE

1.

Measure the inner diameter of piston pin hole “dp”.

2.

Measure the outer diameter of piston pin “Dp”.

3.

Calculate the piston pin clearance.

If it exceeds the above value, replace piston and pin assembly.

Main Bearing Cap Remover

: KV10114700 (J-38139)

EMI0552D

Standard diameter “dp”

: 20.993 - 21.005 mm 
(0.8265 - 0.8270 in)

AEM023

Standard diameter “Dp”

: 20.989 - 21.001 mm 
(0.8263 - 0.8268 in)

AEM024

Piston pin clearance

: dp 

− Dp = (−0.002) - 0.01 mm [(−0.0001) - 0.0004 in]