Nissan Altima L32. Manual - part 631

EM-60

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TIMING CHAIN

c.

Apply a paint mark on the front cover, mating with any one of six

easy to recognize stamp marks on bolt flange. 

d. Turn crankshaft pulley bolt another 60

° to 66° degrees [Target:

60

° degrees].

• Check vertical mounting angle with movement of one stamp

mark.

12. Installation of the remaining components is in the reverse order

of removal.

Crankshaft bolt

: 42.1 N·m (4.3 kg-m, 31 ft-lb)

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OIL SEAL

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OIL SEAL

Removal and Installation of Valve Oil Seal

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REMOVAL

1. Remove camshaft. Refer to 

EM-41, "Removal and Installation"

.

2. Remove valve lifter. Refer to 

EM-41, "Removal and Installation"

.

3. Rotate crankshaft, and set piston whose oil seal is to removed to top dead center. This prevents valve

from dropping inside cylinder.

CAUTION:

When rotating crankshaft, be careful to avoid scarring the front cover with the timing chain.

4. Remove valve collet, valve spring retainer and valve spring using Tool.

5. Remove valve oil seal using Tool.

INSTALLATION

1. Apply new engine oil to new valve oil seal joint surface and seal lip.
2. Press in valve oil seal to the position shown using Tool.

3. Installation of the remaining components is in the reverse order of removal.

Removal and Installation of Front Oil Seal

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REMOVAL

1. Remove the following parts:

• RH front wheel. Refer to 

WT-66, "Adjustment"

.

Tool number

: KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)

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Tool number

: KV10107902 (J-38959)

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Oil seal installed height 

: 12.1 mm (0.476 in)

Tool number

: KV10115600 (J-38958)

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OIL SEAL

• Engine under cover using power tools.

• Drive belts. Refer to 

EM-16

.

• Crankshaft pulley. Refer to 

EM-52

.

2. Remove front oil seal from front cover.

CAUTION:

Be careful not to scratch front cover.

INSTALLATION

1. Install new front oil seal to front cover using suitable tool.

• Install new oil seal in until it is flush with front end surface of

front cover.

CAUTION:

• Do not reuse oil seal.

• Be careful not to cause damage to circumference of oil

seal.

• Install new oil seal in the direction shown.

2. Installation of the remaining components is in the reverse order of removal. 

Removal and Installation of Rear Oil Seal

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REMOVAL

1. Remove the transaxle. Refer to 

TM-26, "Removal and Installation"

 (M/T), 

TM-259, "Removal and Installa-

tion"

 (CVT).

2. Remove flywheel (MT) or drive plate (CVT).
3. Remove rear oil seal using suitable tool.

CAUTION:

 Be careful not to scratch rear oil seal retainer.

INSTALLATION

1. Apply new engine oil to new oil seal and install it using a suitable tool.

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OIL SEAL

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• Install new oil seal in the direction shown.

• Press fit new oil seal straight using a suitable drift, to avoid

causing burrs or tilting.

• Press in the new oil seal to the specified depth as shown.

2. Installation of the remaining components is in the reverse order of removal.

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