Nissan Frontier D22. Manual — part 685
ENGINE ASSEMBLY
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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.
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"
AT-62, "REMOVAL AND INSTALLATION"
(RL4R01A),
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
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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
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.
3.
Remove the timing chain. Refer to
4.
Remove the water pump. Refer to
5.
Remove the cylinder head. Refer to
.
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
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]
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