Infiniti QX4 (R50). Manual — part 508

Components

NBPD0002

FRONT PROPELLER SHAFT

NBPD0002S01

SPD517A

PROPELLER SHAFT

Components

PD-4

REAR PROPELLER SHAFT

NBPD0002S02

SPD522A

SPD468AA

GI

MA

EM

LC

EC

FE

AT

TF

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

PROPELLER SHAFT

Components (Cont’d)

PD-5

SPD356A

On-vehicle Service

PROPELLER SHAFT VIBRATION

NBPD0003

If vibration is present at high speed, inspect propeller shaft runout
first.
1.

Raise rear wheels.

2.

Measure propeller shaft runout at several points by rotating
final drive companion flange with hands.

Runout limit: 0.6 mm (0.024 in)

SPD523A

Propeller shaft runout measuring points:

Unit: mm (in)

Distance

A

B

C

3F80B-2BJ

372.5 (14.67)

240 (9.45)

240 (9.45)

2S80B-T

280 (11.02)

463.5 (18.25)

266.5 (10.49)

2F71H

173.5 (6.83)

—

—

SPD102

3.

If runout exceeds specifications, disconnect propeller shaft at
final drive companion flange; then rotate companion flange
180 degrees and reconnect propeller shaft.

4.

Check runout again. If runout still exceeds specifications,
replace propeller shaft assembly.

5.

Perform road test.

APPEARANCE CHECKING

NBPD0004

I

Inspect propeller shaft tube surface for dents or cracks.
If damaged, replace propeller shaft assembly.

I

If center bearing is noisy or damaged, replace center bearing.

SPD103

Removal and Installation

NBPD0005

I

Put matchmarks on flanges and separate propeller shaft from
final drive.

PROPELLER SHAFT

On-vehicle Service

PD-6

SPD359

I

Draw out propeller shaft from transmission and plug up rear
end of transmission rear extension housing.

SPD106

Inspection

NBPD0006

I

Inspect propeller shaft runout. If runout exceeds specifications,
replace propeller shaft assembly.

Runout limit: 0.6 mm (0.024 in)

SPD874

I

If the play exceeds specifications, replace propeller shaft
assembly.

Journal axial play:

0.02 mm (0.0008 in) or less

SPD109

Disassembly

NBPD0007

CENTER BEARING — 2WD —

NBPD0007S03

1.

Put match marks on flanges, and separate 2nd tube from 1st
tube.

SPD110

2.

Put match marks on the flange and shaft.

GI

MA

EM

LC

EC

FE

AT

TF

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

PROPELLER SHAFT

Removal and Installation (Cont’d)

PD-7