Nissan Titan. Manual - part 316

 

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Nissan Titan. Manual - part 316

 

 

EM-68

< REMOVAL AND INSTALLATION >

CAMSHAFT

• Measure the diameter of the valve lifter.

Valve Lifter Hole Diameter

• Measure the diameter of the valve lifter hole of the cylinder head,

using suitable tool.

Calculation of Valve Lifter Clearance

(Valve lifter clearance) = (valve lifter hole diameter) – (valve lifter

diameter)

• If the measurement is not within specification, referring to each

specification of the valve lifter diameter and hole diameter, replace

either or both the valve lifter and cylinder head.

INSTALLATION

1. Install the valve lifters if removed.

• Install removed parts in their original locations.

2. Install the camshafts. Use the table below for identification of the

(RH) and (LH), and intake and exhaust.

• Install so that the (RH) bank (B) dowel pins (A) and (LH) bank

(C) dowel pins (A) at the front of the camshaft face are in the

direction shown.

Standard

: 33.977 - 33.987 mm (1.3377 - 1.3381 in)

JEM798G

Standard

: 34.000 - 34.016 mm (1.3386 - 1.3392 in)

Standard

: 0.013 - 0.039 mm (0.0005 - 0.0015 in)

PBIC0043E

Bank

INT EXH

Identification 

paint (front)

Identification 

paint (rear)

Identification 

rib

(RH)

INT

Pink

Yes

EXH

Orange

Yes

(LH)

INT

Pink

No

EXH

Orange

No

KBIA2523E

WBIA0708E

CAMSHAFT

EM-69

< REMOVAL AND INSTALLATION >

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3. Install the (RH) bank (B) and (LH) bank (D) camshaft brackets

(A).

• Install by referring to the installation location mark (E) on the

upper surface.

• Install so that the installation location mark (E) can be correctly

read when viewed from the intake manifold side (C).

• Install No. 1 camshaft bracket using the following procedure:

- Apply liquid gasket to No. 1 camshaft bracket (A) and (B) as

shown.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-21, "Recommended Chemical Products and Sealants"

.

CAUTION:

• After installation, be sure to wipe off excess liquid gas-

ket oozing from part (C) and (D) both on (RH) and (LH)

sides.

• Remove completely excess of liquid gasket inside

bracket.

• The components must be installed within 5 minutes of the liquid gasket application.

• Then allow 30 minutes for the liquid gasket to set before filling the engine with oil or coolant.

- Apply liquid gasket (C) to the back side of the (LH) (A) bank

front cover and (RH) (B) bank front cover as shown.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-21, "Recommended Chemical Products and Sealants"

.

CAUTION:

• The components must be installed within 5 minutes of

the liquid gasket application.

• Then allow 30 minutes for the liquid gasket to set before

filling the engine with oil or coolant.

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

: Engine front

AWBIA0164ZZ

(C)

: 11 mm (0.43)

(D)

: 2.0 - 3.0 (0.079 - 0.118 in) dia.

WBIA0710E

WBIA0711E

EM-70

< REMOVAL AND INSTALLATION >

CAMSHAFT

- Position No. 1 camshaft bracket close to the mounting posi-

tion, and then install it to prevent from touching liquid gasket

applied to each surface.

- Temporarily tighten the (RH) (A) and (LH) (B) front cover bolts

(4 for each bank) as shown.

4. Tighten the camshaft bracket bolts as follows:

CAUTION:

After tightening the camshaft bracket bolts, be sure to wipe

off excess liquid gasket from the parts listed below.

• Mating surface of rocker cover

• Mating surface of front cover

a. Tighten the (RH) (A) and (LH) (B) front cover bolts (4 for each

bank) as shown to the specified torque.

SBIA0259E

WBIA0706E

Camshaft bracket bolts
Step 1 (bolts 9 - 12)

: 1.96 N·m (0.2 kg-m, 17 in-lb)

Step 2 (bolts 1 - 8)

: 1.96 N·m (0.2 kg-m, 17 in-lb)

Step 3 (all bolts)

: 5.88 N·m (0.6 kg-m, 52 in-lb)

Step 4 (all bolts)

: 10.4 N·m (1.1 kg-m, 92 in-lb)

(A) : (RH) bank
(B) : Exhaust side
(C) : (LH) bank
(D) : Intake side

: Engine front

WBIA0707E

Front cover bolts : 11.0 N·m (1.1 kg-m, 8 ft-lb)

WBIA0706E

CAMSHAFT

EM-71

< REMOVAL AND INSTALLATION >

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5. Install the camshaft sprockets using the following procedure:

• A: (LH) bank shown

a. Install the camshaft sprockets aligning them with the matching

marks painted on the timing chain (B) and the camshaft sprock-

ets (C) before removal. Align the camshaft sprocket key groove

with the dowel pin on the camshaft front edge at the same time.

Then temporarily tighten camshaft sprocket bolts.

• Install the intake (valve timing control) (A) and exhaust (B) side

camshaft sprockets by selectively using the groove of the

dowel pin according to the bank for the exhaust (B) side cam-

shaft sprockets. (Common part used for both exhaust banks.)

NOTE:

Use the groove marked (R) for (RH) bank and (L) for (LH)

bank.

b. Lock the hexagonal part of the camshaft in the same way as for

removal, and tighten the camshaft sprocket bolts.

c. Check again that the timing alignment mark on the timing chain

and on each sprocket are aligned.

6. Install the chain tensioner using the following procedure:

NOTE:

(LH) is shown.

a. Install the chain tensioner.

• Compress the plunger and hold it using a stopper pin when

installing.

• Loosen the slack guide side timing chain by rotating the cam-

shaft hexagonal part if mounting space is small.

b. Remove the stopper pin and release the plunger, and then apply

tension to the timing chain.

c. Install the chain tensioner cover onto the front cover.

• Apply liquid gasket as shown.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-21, "Recommended Chemical Products and Sealants"

.

7. Check and adjust valve clearances. Refer to 

EM-19, "Valve

Clearance"

.

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

of removal.

Inspection after Installation

INFOID:0000000009886434

INSPECTION OF CAMSHAFT SPROCKET (INT) OIL GROOVE

WARNING:

Check when engine is cold so as to prevent burns from any splashing engine oil.

CAUTION:

AWBIA0152ZZ

AWBIA0151ZZ

Chain tensioner bolts

: 6.9 N·m (0.70 kg-m, 61 in-lb)

Chain tensioner cover 
bolts

: 9.0 N·m (0.92 kg-m, 80 in-lb)

KBIA2479E

KBIA2547E

 

 

 

 

 

 

 

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