Nissan Altima L32. Instruction — part 659

EM-172

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REAR TIMING CHAIN CASE

REAR TIMING CHAIN CASE

Component

INFOID:0000000004202171

• 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

AWBIA0578GB

REAR TIMING CHAIN CASE

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Removal and Installation

INFOID:0000000004202172

REMOVAL

1. Remove the engine assembly. Refer to

EM-202, "Removal and Installation"

.

2. Remove the primary and secondary timing chains. Refer to

EM-163, "Removal"

.

3. Remove the rear timing chain case.

CAUTION:

• Do not remove the plate metal cover for the oil passage.

• After removing the chain case, do not apply any load to

the case that might bend it.

a. Loosen and remove the rear timing chain case bolts in the order as shown.

b. Cut the sealant with an appropriate tool and remove the rear timing chain case.

4. Remove O-rings to timing chain case and cylinder block.
5. Use a scraper to remove all of the old Silicone RTV Sealant from

the front and rear timing chain case and opposite mating sur-

faces.

CAUTION:

Do not damage the mating surfaces.

KBIA1307E

AWBIA0709ZZ

SEM428G

EM-174

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REAR TIMING CHAIN CASE

6. Remove all old Silicone RTV Sealant from all the bolt holes and

bolts.

CAUTION:

Do not damage the threads or mating surfaces.

INSTALLATION

1. Install O-rings on cylinder block.

2. Apply Genuine Silicone RTV Sealant or equivalent, to the rear timing chain case using Tool as shown.

Refer to

GI-15, "Recommended Chemical Products and Sealants"

.

CAUTION:

• For (a), completely wipe out liquid gasket extended on a portion touching at engine coolant.

• Apply liquid gasket on installation position of water pump and cylinder completely.

SEM161F

PBIC0788E

Tool number

: WS39930000 ( — )

REAR TIMING CHAIN CASE

EM-175

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3. Align the rear timing chain case and water pump assembly with the dowel pins (RH and LH) on the cylin-

der block and install the case. Make sure the O-rings stay in place during installation.

a. Tighten the bolts in the numerical order as shown. There are two bolt lengths used. Follow the chart below

for proper bolt length specifications.

PBIC2680E

AWBIA0710ZZ