Nissan Xterra. Instruction — part 170

CL-14

< UNIT REMOVAL AND INSTALLATION >

CLUTCH RELEASE MECHANISM

• Replace the release bearing if it is seized, damaged, faulty in rota-

tion direction, or has poor aligning function.

• Replace the withdrawal lever if its contact surface is worn abnor-

mally.

• Replace the dust seal if it is deformed or cracked.

SCL733

CLUTCH DISC, CLUTCH COVER

CL-15

< UNIT REMOVAL AND INSTALLATION >

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CLUTCH DISC, CLUTCH COVER

Exploded View

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Removal and Installation

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CAUTION:

• Do not clean the clutch disc with solvent.

• When installing, do not get grease from the main drive shaft onto the clutch disc friction surface.

• If the flywheel is removed, align the dowel pin with the smallest hole of flywheel. Refer to

EM-103,

"Disassembly and Assembly"

.

REMOVAL

1. Remove the instruction transmission from the vehicle. Refer to

TM-21, "Removal and Installation from Vehi-

cle"

.

2. Remove the clutch cover bolts using power tool. Remove the clutch cover and clutch disc.

INSTALLATION

1. Apply recommended grease to clutch disc and main drive shaft spline.

CAUTION:

Do not allow grease to contaminate the clutch facing.

1.

Flywheel

2.

Clutch disc

3.

Clutch cover

WCIA0522E

CL-16

< UNIT REMOVAL AND INSTALLATION >

CLUTCH DISC, CLUTCH COVER

2. Install clutch disc and clutch cover. Pre-tighten the bolts and

install Tool. Then tighten the clutch cover bolts evenly in two

steps to the specified torque in the order shown. Refer to

CL-15,

"Exploded View"

.

3. Install the instruction transmission. Refer to

TM-21, "Removal and Installation from Vehicle"

.

Inspection and Adjustment

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INSPECTION AND ADJUSTMENT AFTER REMOVAL

Clutch Disc

• Check the wear of the clutch disc facing.

• Check the runout and backlash of the clutch disc. If the measure-

ment exceeds the specification, replace the clutch disc.

Clutch Cover

Tool number

: ST20630000 (J-26366)

LCIA0391E

Clutch disc facing
wear

: Refer to

CL-18, "Clutch Disc"

.

SCL229

Runout and backlash

: Refer to

CL-18, "Clutch Disc"

.

SCL221

CLUTCH DISC, CLUTCH COVER

CL-17

< UNIT REMOVAL AND INSTALLATION >

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With the clutch cover installed on the vehicle, check the diaphragm

spring toe height for unevenness. If unevenness exceeds the limit,

adjust the diaphragm spring toe height using Tool.

• Check clutch cover thrust ring for wear or damage. If wear or dam-

age is found, replace clutch cover assembly.

NOTE:

• Worn thrust ring will generate a beating noise when tapped at the rivet with a hammer.

• Broken thrust ring will make a clinking sound when cover is shaken up and down.

• If a trace of burn or discoloration is found on the clutch cover pressure plate to clutch disc contact surface,

repair the surface with emery paper. If surface is damaged or distorted, replace the assembly.

Flywheel

• Check contact surface of flywheel for slight burns or discoloration.

If any are found, repair flywheel with emery paper.

• Check the flywheel runout. Refer to

EM-112, "Inspection After Dis-

assembly"

.

Uneven limit of diaphragm
spring toe height

: Refer to

CL-18, "Clutch

Cover"

.

Tool number

: ST20050240 ( — )

PCIB0276E

PBIC2168E