Nissan Frontier D22. Manual - part 688

CYLINDER BLOCK

EM-59

[KA24DE]

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3.

Heat piston to 60

° to 70°C (140° to 158°F) and assemble piston,

piston pin and connecting rod.

●

Align the direction of piston and connecting rod.

●

Numbers stamped on connecting rod and cap correspond to
each cylinder.

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After assembly, make sure connecting rod swings smoothly.

4.

Set piston rings as shown.

CAUTION:

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When piston rings are not replaced, make sure that pis-
ton rings are mounted in their original positions.

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When piston rings are being replaced and no punchmark
is present, piston rings can be mounted with either side
up.

5.

Align piston rings so that end gaps are positioned as shown.

SEM215E

SEM262C

LEM069

SEM160B

EM-60

[KA24DE]

CYLINDER BLOCK

CRANKSHAFT

1.

Set the main bearings in their proper positions on the cylinder
block and main bearing caps as shown.

●

Confirm that correct main bearings are used. Refer to

EM-54, "BEARING CLEARANCE"

 .

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Apply new engine oil to bearing surfaces.

2.

Install the crankshaft and main bearing caps and tighten the
bolts in numerical order as shown, to specification.

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Apply new engine oil to the bolt threads and seat surface.

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Prior to tightening the bearing cap bolts, place bearing cap in
its proper position by shifting crankshaft in the axial direction.

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Tighten the bearing cap bolts gradually in two or three stages
to specification. Tighten the bearing cap bolts in the numerical
order as shown.

●

After securing bearing cap bolts, make sure crankshaft turns smoothly by hand.

3.

Measure the crankshaft end play as shown.

If beyond the limit, replace No. 3 bearing with a new one.

4.

Install connecting rod bearings in connecting rods and connect-
ing rod caps.

●

Confirm that correct bearings are used. Refer to 

EM-56,

"Connecting Rod Bearing (Big End)"

 .

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Install bearings so that oil hole in connecting rod aligns with
oil hole of bearing.

●

Apply new engine oil to bearing surfaces, bolt threads and
seating surfaces.

SEM448C

Main bearing cap bolts

: 46 - 56 N·m (4.7 - 5.7 kg-m, 
34 - 41 ft-lb)

EEM121

Crankshaft end play

Standard

: 0.05 - 0.18 mm (0.0020 - 0.0071 in)

Limit

: 0.3 mm (0.012 in)

EEM122

SEM159B

CYLINDER BLOCK

EM-61

[KA24DE]

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5.

Install the piston assemblies into the corresponding cylinder
bores using Tool as shown.

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Position the piston assembly so that the front mark on the pis-
ton head faces toward the front of the engine.

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Make sure the connecting rod does not scratch the cylinder
wall.

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Make sure the connecting rod bolts do not scratch the crank-
shaft journals.

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Apply new engine oil to the piston rings and sliding surface of
piston.

6.

Install the connecting rod bearing caps. If reusing the connecting
rod bearing caps, they must be installed in their original position
and direction.
Tighten the connecting rod bearing cap nuts in two steps to
specification. For step 2 use a suitable angle wrench, or tighten
to specification if an angle wrench is not available.

7.

Measure the connecting rod side clearance.

If the clearance is beyond the limit, replace either the connecting
rod or crankshaft, or both, as necessary.

REPLACING PILOT BUSHING

1.

Remove the pilot bushing using Tool as shown.

SEM269C

Connecting rod bearing nuts, tighten in two steps:

Step 1

: 14 - 16 N·m (1.4 - 1.6 kg-m, 10 - 12 ft-lb).

Step 2

: 60

° to 65° degrees clockwise

[38 - 44 N·m (3.9 - 4.5 kg-m, 28 - 33 ft-lb)]

EEM123

Connecting rod side clearance

Standard

: 0.2 - 0.4 mm (0.008 - 0.016 in)

Limit

: 0.6 mm (0.024 in)

EEM124

SEM916AA

EM-62

[KA24DE]

CYLINDER BLOCK

2.

Install the pilot bushing as shown.

AEM500