Nissan Altima L32. Instruction — part 656

EM-160

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FRONT TIMING CHAIN CASE

2. Install the new front oil seal on the front timing chain case. Apply

new engine oil to the oil seal edges.

NOTE:

Install it so that each seal lip is oriented as shown.

a. Install the new front oil seal so that it becomes flush with the

face with front timing chain case using suitable drift.

CAUTION:

Press fit straight and avoid causing burrs or tilting the oil

seal.

NOTE:

Make sure the garter spring is in position and seal lip is not

inverted.

3. Apply Silicone RTV Sealant to front timing chain case as shown.

• Use Genuine Silicone RTV Sealant, or equivalent. Refer to

GI-

15, "Recommended Chemical Products and Sealants"

.

• Before installation, wipe off the protruding sealant.

• C: 2.6 - 3.6 mm (0.102 - 0.142 in) dia.

4. Install dowel pin on the rear timing chain case into dowel pin hole in front timing chain case.

SEM715A

PBIC0790E

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FRONT TIMING CHAIN CASE

EM-161

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5. Loosely install the front timing chain case bolts.

6. Tighten the front timing chain case bolts in the order as shown.

• Retighten the front timing chain case bolts in the order as

shown.

7. Remove lower oil pan.
8. Install upper oil pan bolts. Refer to

EM-139, "Removal and Installation"

.

9. Install lower oil pan. Refer to

EM-139, "Removal and Installation"

.

10. Install IVT control valve covers.
11. Apply liquid gasket and install the water pump cover.

• Use Genuine Silicone RTV Sealant or equivalent. Refer to

GI-15, "Recommended Chemical Products

and Sealants"

.

12. Install crankshaft pulley and tighten the bolt in two steps.

• Lubricate thread and seat surface of the bolt with new engine

oil.

• Apply a paint mark for the second step of angle tightening.

13. Rotate crankshaft pulley in normal direction (clockwise when viewed from front) to confirm it turns

smoothly.

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

Bolt position Bolt diameter
1, 2

: 8 mm (0.31 in)

3 – 22

: 6 mm (0.24 in)

Bolt position Tightening specification
1, 2

: 28.5 N·m (2.9 kg-m, 21 ft-lb)

3 – 22

: 12.8 N·m (1.3 kg-m, 9 ft-lb)

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Step 1

: 44 N·m (4.5 kg-m, 32 ft-lb)

Step 2

: 84

° - 90° degrees clockwise

Tool Number

: KV10112100 (BT-8653-A)

SEM531G

EM-162

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TIMING CHAIN

TIMING CHAIN

Component

INFOID:0000000004202167

• Refer to

EM-111, "Precaution for Liquid Gasket"

.

• Before installation, wipe off any protruding sealant.

CAUTION:

• After removing timing chain, do not turn the crankshaft and camshaft separately, or the valves will

strike the pistons.

• When installing camshafts, chain tensioners, oil seals, or other sliding parts, lubricate contacting

surfaces with new engine oil.

• Apply new engine oil to bolt threads and seat surfaces when installing camshaft sprockets, camshaft

brackets, and crankshaft pulley.

• Before disconnecting fuel hose, release fuel pressure. Refer to

EC-1579, "Inspection"

.

• Before removing the upper oil pan, remove the crankshaft position sensor (POS).

• Be careful not to damage sensor edges.

• Do not spill engine oil or coolant on drive belts.

1.

Timing chain tensioner

2.

Internal chain guide

3.

Timing chain tensioner

4.

Camshaft sprocket (EXH)

5.

Timing chain (secondary)

6.

Timing chain (primary)

7.

Camshaft sprocket (INT)

8.

Camshaft sprocket (INT)

9.

Timing chain (secondary)

10. Camshaft sprocket (EXH)

11. Slack guide

12. Crankshaft sprocket

13. Rear timing chain case

14. Tension guide

15. O-ring

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TIMING CHAIN

EM-163

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Removal

INFOID:0000000004202168

1. Remove front timing chain cover. Refer to

EM-155, "Removal and Installation"

.

2. Disconnect the power brake booster vacuum hose.
3. Disconnect the electric throttle control actuator.
4. Disconnect the coolant hoses at the electric throttle control actuator.
5. Disconnect the PCV hose.
6. Disconnect the EVAP canister purge volume control solenoid vacuum hose.
7. Remove the intake manifold collector. Refer to

EM-130, "Removal and Installation"

.

8. Remove the six ignition coils.
9. Remove the six spark plugs. Refer to

EM-119, "Removal and Installation"

.

10. Remove the engine oil dipstick.
11. Remove the rocker covers. Loosen the bolts in the numerical order as shown.

: Front

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