Nissan Maxima. Manual - part 556

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CYLINDER BLOCK

7. After installing the crankshaft, lower main bearings, main bear-

ing caps, main bearing beam, and bearing cap bolts. Tighten the

bearing cap bolts in the numerical order as shown.

a. Make sure that the front marks on the main bearing beam faces

the front of the engine.

b. Prior to tightening all the bearing cap bolts, place the bearing

beam in its proper position by shifting the crankshaft in the axial

position.

c.

After tightening the bearing cap bolts, make sure the crankshaft

turns smoothly.

d. Lubricate the threads and seat surfaces of the bolts with new

engine oil.

e. Tighten the bolts in two stages:

CAUTION:

Measure the tightening angle in two stages using Tool. Do not

measure with eyes only, be sure to use Tool. 

8. Measure crankshaft end play.

• If beyond the limit, replace the bearing with a new one.

: Engine front

AWBIA1394ZZ

Stage 1

: 32.3 - 38.3 N·m (3.3 - 3.9 kg-m, 24 - 28 ft-lb)

Stage 2

: 90

° - 95° degrees clockwise

Tool number

: KV10112100 (BT-8653-A)

SEM456G

PBIC0096E

Standard

: 0.10 - 0.25 mm (0.0039 - 0.0098 in)

Limit

: 0.30 mm (0.0118 in)

SEM852E

CYLINDER BLOCK

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9. Install the rear oil seal retainer using Tool (A).

a. Loosen the wing nut (B) on the end of the Tool (A).
b. Insert the arbor (D) into the crankshaft pilot hole until the outer

lip (C) of the Tool (A) covers the edge of the crankshaft sealing

surface.

c. Tighten the wing nut (B) to secure the Tool (A) to the crankshaft.

d. Apply sealant to rear oil seal retainer as shown.

Use Genuine Silicone RTV Sealant, or equivalent. Refer to

GI-21, "Recommended Chemical Products and Sealants"

.

CAUTION:

• Installation should be done within 5 minutes after apply-

ing liquid gasket.

• Do not fill the engine with oil for at least 30 minutes after

the components are installed to allow the sealant to cure.

e. Lubricate the sealing surface of the new rear main seal with new engine oil.
f.

Slide the new rear main seal (1) over the Tool (A) and onto the

crankshaft.

g. Loosen the wing nut and push the threaded rod into the handle

to remove the Tool (A).

h. Tighten the rear oil seal retainer bolts to specification.

10. Install the piston to the connecting rod. 
a. Using suitable snap ring pliers, install the snap ring fully into the

pin-groove of the piston rear side. 

b. Install the piston to the connecting rod.

Tool number

:   —   (J-47128)

ALBIA0652ZZ

AWBIA0028ZZ

ALBIA0653ZZ

(A) : Piston front mark
(B) : Oil hole
(C) : Connecting rod front mark
(D) : Cylinder No.

AWBIA0026ZZ

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CYLINDER BLOCK

• Heat the piston until the piston pin can be pushed in by hand

without excess force [approx. 60

° - 70°C (140° to 158°F)].

From the front to the rear, insert the piston pin into the piston

and through the connecting rod.

WARNING:

Pistons contain heat. When working, wear protective

equipment to avoid getting burned.

• Assemble so that the piston front mark (B) on the crown and

the oil hole (C), connecting rod front mark (D) and Cylinder No.

(E) on the are positioned as shown.

c.

Install the snap ring into the front of the piston pin-groove. 

• After installing, check that the connecting rod pivots smoothly

on the pin.

CAUTION:

Do not reuse snap rings, always replace with new ones.

11. Using a piston ring expander, install the piston rings. 

CAUTION:

• Be careful not to damage the piston.

• When the piston rings are not replaced, remount the rings

in their original positions.

• When replacing the piston rings, those without stamped

surface (A) can be mounted either side up.

• Install the second ring with the stamped surface (B) facing

upward. If the ring is not stamped it can face in either

direction.

SEM965A

: Engine front

(A) : Piston grade number
(F) : Pin grade number

AWBIA0027ZZ

PBIC0260E

Top ring (A)

: —

Second ring (B)

: 2A

JPBIA0263ZZ

CYLINDER BLOCK

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• Position each ring with the gap as shown, referring to the pis-

ton front mark.

12. Install the connecting rod bearings to the connecting rod and the

connecting rod cap.

• When installing the connecting rod bearings, apply engine oil

to the bearing surface (crankshaft side). Do not apply oil to the

back surface (connecting rod and connecting rod cap side),

but thoroughly clean it. 

• When installing, align the connecting rod bearing protrusion

with the notch of the connecting rod to install. 

• Check that the oil holes on the connecting rod and on the cor-

responding bearing are aligned. 

13. Install the piston and connecting rod assembly into the corre-

sponding cylinder. 

• Position the crankshaft pin corresponding to the connecting

rod to be installed onto the bottom dead center. 

• Apply engine oil sufficiently to the cylinder bore, piston, and

crankshaft pin. 

• Match the cylinder position with the cylinder No. (B) on the

connecting rod to install. 

• Install the piston with the piston front mark (A) on the crown

facing the front of the engine (

) using a suitable tool. 

- Oil hole (C)

CAUTION:

Be careful not to damage the crankshaft pin and cylinder wall, resulting from interference of the

connecting rod big end.

14. Install the connecting rod cap. 

• Match the stamped cylinder number marks on the connecting

rod with those on the cylinder cap for installation.   

• Install the piston connecting rod assembly and cap so that the

front mark on the cap and piston are facing the front of the

engine.

• Lubricate the threads and seat surfaces with new engine

oil.

PBIC0808E

PBIC0266E

AWBIA0029ZZ

SEM457G