SERVICE INFORMATION 00-1

PROPELLER SHAFT AND AXLE

SECTION 00
SERVICE INFORMATION
Contents
TROUBLESHOOTING .......................................... 00-2
Propeller Shaft................................................... 00-2
Rear Axle and Front Driving Axle ...................... 00-2
MAIN DATA AND SPECIFICATIONS ................... 00-3
SERVICE STANDARD.......................................... 00-6
SERVICING .......................................................... 00-8
FIXING TORQUE.................................................. 00-9
Propeller Shaft................................................... 00-9
Front Hub and Brake Drum (4 × 2 Model) ....... 00-10
Front Hub and Disc (4 × 2 Model) ................... 00-11
Front Axle, Knuckle and King Pin (4 × 2 Model).. 00-12
Front Hub, Brake Drum Spindle, Drive Shaft, Knuckle
and King Pin (4 × 4 Model) .............................. 00-13
Front Differential Assembly ............................. 00-14
Rear Hub, Brake Drum and Axle Shaft (NHR Single
Tire Model) ...................................................... 00-16
Rear Hub, Brake Drum and Axle Shaft (NKR Single
Tire Model; Full Floating)................................. 00-17
Rear Hub, Brake Drum and Axle Shaft (NHR Dual
Small Tire, NKR Dual Tire, NPR, NQR, NPS Models;
Full Floating).................................................... 00-18
Rear Differential Assembly (244 mm).............. 00-19
Rear Differential Assembly (292/320 mm)....... 00-20
SPECIAL TOOLS................................................ 00-21
Propeller Shaft................................................. 00-21
Rear Axle......................................................... 00-21
Front Axle ........................................................ 00-24
00-2 SERVICE INFORMATION

TROUBLESHOOTING
Propeller Shaft

PROBLEM POSSIBLE CAUSE CORRECTION

Noises from Propeller 1. Worn spline yoke. 1. Replace the spline yoke.
Shaft
2. Worn or stuck spider bearing. 2. Replace the center bearing.
3. Worn center bearing. 3. Replace the center bearing.
Vibration from Propel- 1. Incorrect shaft run-out. 1. Replace the propeller shaft.
ler Shaft
2. Out of shaft balance. 2. Adjust the shaft balance.
3. Stuck spline yoke. 3. Replace the spline yoke.

Rear Axle and Front Driving Axle

PROBLEM POSSIBLE CAUSE CORRECTION

Oil Leak at Front Axle 1. Worn or defective oil seal. 1. Replace the oil seal.
or Rear Axle 2. Axle housing cracked. 2. Repair or replace.
Oil Leak at Pinion Shaft 1. Too much gear oil. 1. Correct the oil level.
2. Oil seal worn or defective. 2. Replace the oil seal.
3. Pinion flange loose or damaged. 3. Tighten or replace.
Noises in Front Axle or 1. Insufficient gear oil. 1. Replenish the gear oil.
Rear Axle
2. Wrong or poor grade gear oil. 2. Replace the gear oil.
3. Drive pinion to ring gear backlash incor- 3. Adjust the backlash.
rect.
4. Worn or chipped ring gear, pinion gear 4. Replace the ring gear, pinion gear or
or side gear. side gear
5. Pinion shaft bearing worn. 5. Replace the pinion shaft bearing.
6. Wheel bearing worn. 6. Replace the wheel bearing.
7. Differential bearing loose or worn. 7. Tighten or replace.
 SERVICE INFORMATION 00-3

MAIN DATA AND SPECIFICATIONS

Propeller Shaft

NKR66, 71, 77 NQR70, 75

NHR55, 69 NKR55 NPR66, 70, 71, 77 NPR75
NQR66, 71, NPS71 NPS75
Bearing retention method Inside snap ring Outside snap ring
Spider length mm (in) 69 (2.72) 85 (3.35) 96 (3.780)
95 (3.74) <for Taiwan,
Australia and GCC>
Spider outside dia. mm (in) 18.46 (0.73) 21.94 (0.86) 23.02
(0.9065)
Tube-outside dia.
diameter × thickness mm (in) 68.9 × 2.0 82.6 × 2.3 90 × 3.2
(2.71 × 0.08) (3.25 × 0.09) (3.54 × 0.13)
Flange bolt size M10 M12 M12
Flange bolt P.C.D. mm (in) 85 (3.35) 100 (3.94) 110 (4.33)

Rear Axle

Vehicle series
NKR55, 69 (For general export;
NHR55, 69
Turkey, Chile)
Dual Small (For
Single Dual Small Single
Turkey)
Rear axle type Banjo semi-float- Banjo full floating
ing
Gear type Hypoid
Number of differential pinion 4
Ring gear pitch diameter mm (in) 244 (9.6)
Amount of hub grease g (oz) 80 (2.8) 285 (10.1) 280 (9.9) 285 (10.1)
(each wheel)
Oil capacity lit (US/ 2.7 (2.9/2.4)
Imp qt)
00-4 SERVICE INFORMATION

Vehicle series
NPR66,
71
(Singap
ore,
NKR55,
Turkey) NPS71 NKR66 NKR77
69, 71
70
(Taiwan,
Chile),
77
Dual
Dual Single Dual Single Dual
Small
Rear axle type Banjo full floating
Gear type Hypoid
Number of differential 4
pinion
Ring gear mm 292 (11.5)
pitch diameter (in)
Amount of g (oz) 285 (10.1)
hub grease
(each wheel)
Oil capacity lit (US/ 3.0 (3.2/2.6)
Imp qt)

Vehicle series
NPR70
(Hong Kong)
NPS75 71 NQR66, 70, 71, 75 NKR71
(Colombia),
75
Dual
Rear axle type Banjo full floating
Gear type Hypoid
Number of differential pinion 4
Ring gear pitch diameter mm (in) 320 (12.5)
Amount of hub grease g (oz) 285 (10.1)
(each wheel)
Oil capacity lit (US/ 3.4 (3.6/3.0)
Imp qt) (A) 3.4 (3.6/3.0)
(B) 4.3 (4.5/3.8)
(C) 5.2 (5.5/4.6)

(A): for 2003 year model except straight frame

(B): for 2003 year model and straight frame, except Colombia
(C): for 2003 year model, straight frame and Colombia
 SERVICE INFORMATION 00-5
Front Axle

Specifications NPS
Front axle type Banjo full floating
Tread 1,665 (65.55)
Gear type Hypoid
Number of differential pinion 4
Ring gear pitch diameter mm (in) 244 (9.6)
Amount of hub grease (each wheel) g (oz) 200 (7.1)
Oil capacity lit (US/Imp qt) 2.7 (2.9/2.4)
00-6 SERVICE INFORMATION

SERVICE STANDARD

Items Service Standard Limit

PROPELLER SHAFT NHR55, NKR66, NQR70, NHR55, NKR66, NQR70,
69 71, 77, 75 69 71, 77, 75
NKR55 NPR70, NPR75 NKR55 NPR 70, NPR75
71 77, NPS75 71 77, NPS75
NQR66, NQR66,
71, 71,
NPS71 NPS71
Outside Diameter of Spi- mm (in) 18.46 21.94 24.00 18.36 21.84 23.90
der Pin (0.73) (0.86) (1.001) (0.72) (0.8598) (0.941)
Propeller Shaft Run-Out mm (in) 0.5 (0.02) or less 0.3 (0.12) 1.0 (0.039) 0.5(0.02)
or less
Play between the Sleeve mm (in) 0.1 (0.0039) 0.3 (0.012)
Yoke and the Propeller
Shaft Spline
Play in the Universal mm (in) 0.1 (0.0039) —
Joint
REAR AXLE SHAFT
Axle Shaft Run-Out mm (in) — 1.0 (0.039)
Axle Shaft Flange Run- mm (in) — 0.05 (0.0097) <except 2003 year
Out model>
0.15 (0.006)
REAR DIFFERENTIAL 244 mm 292 mm 320 mm 244 mm 292 mm 320 mm
Pinion Bearing Preload
New Bearing N (kg/lb) 16-29 13-25 26-38 —
(1.6-3.0/ (1.3-2.6/ (2.7-3.9/
3.5-6.6) 2.9-5.7) 6.0-8.6)
Used Bearing N (kg/lb) 8-14.5 6.5-12.5 13-19 —
(0.8-1.5/ (0.65-1.3/ (1.35-
1.8-3.3) 1.5-2.9) 1.95/3.0-
4.3)
Pinion Bearing Starting Torque
New Bearing N⋅m (kg⋅cm/ 0.69-1.27 0.98-1.96 2.3-3.2 —
lb⋅in) (7-13/6.1- (10-20/ (23-33/
11.3) 8.7-17.4) 20-28.6)
Used Bearing N⋅m (kg⋅cm/ 0.35-0.64 0.49-0.98 1.2-1.6 —
lb⋅in) (3.5-6.5/ (5-10/4.3- (12-16/
3.1-5.7) 8.7) 10.4-
13.9)
Ring Gear Backlash mm (in) 0.15-0.20 0.18-0.23 0.19-0.29 —
(0.006- (0.007- (0.007-
0.008) 0.009) 0.011)
Ring Gear Run-Out mm (in) 0.07 0.07 0.08 0.2 0.2 0.25
(0.003) (0.003) (0.003) (0.008) (0.008) (0.01)
Clearance between the mm (in) 0.07-0.13 0.07-0.13 0.05-0.13 0.2 0.2 0.2
Differential Pinion and (0.003- (0.003- (0.002- (0.008) (0.008) (0.008)
the Spider 0.005) 0.005) 0.005)
 SERVICE INFORMATION 00-7

Items Service Standard Limit

Clearance between the mm (in) 0.05-0.11 0.05-0.11 0.13-0.2 0.25 0.25 0.25
Side Gear and the Differ- (0.002- (0.002- (0.005- (0.01) (0.01) (0.01)
ential Cage 0.004) 0.004) 0.008)
Play in Splines between mm (in) 0.02-0.12 0.08-0.15 0.2 0.25 0.3 0.5 (0.02)
the Side Gear and the (0.0008- (0.003- (0.008) (0.01) (0.012)
Axle Shaft 0.005) 0.006)
Clearance between the mm (in) 0.13-0.18 0.21-0.28 0.10-0.38 —
back face of the Side (0.005- (0.008- (0.004-
Gear and the Differential 0.007) 0.011) 0.015)
Cage
REAR HUB
Rear Hub Bearing Pre- N (kg/lb) 42-52 (4.3-5.3/ 38-48.0 (3.9- —
load (At Wheel Pin) 9.5-11.7) 4.9/8.6-10.8)
FRONT DIFFERENTIAL
Pinion Bearing Preload
New Bearing N (kg/lb) 16-29 (1.6-3.0/3.5-6.6) —
Used Bearing N (kg/lb) 8-14.5 (0.8-1.5/1.8-3.3) —
Pinion Bearing Starting Torque
New Bearing N⋅m (kg⋅cm/ 0.69-1.27 (7.0-13.0/6.1-11.3) —
lb⋅in)
Used Bearing N⋅m (kg⋅cm/ 0.35-0.64 (3.5-6.5/3.1-5.7) —
lb⋅in)
Ring Gear Backlash mm (in) 0.15-0.20 (0.006-0.008) —
Ring Gear Run-Out mm (in) 0.07 (0.003) 0.2 (0.008)
Clearance between the mm (in) 0.07-0.13 (0.003-0.005) 0.2 (0.008)
Differential Pinion and
the Spider
Clearance between the mm (in) 0.04-0.1 (0.002-0.004) 0.25 (0.01)
Side Gear and the Differ-
ential Cage
Play in Splines between mm (in) 0.02-0.12 (0.0008-0.005) 0.25 (0.01)
the Side Gear and the
Axle Shaft
Clearance between the mm (in) 0.13-0.18 (0.005-0.007) —
Back Face of the Side
Gear and the Differential
Cage
FRONT HUB
Front Hub Bearing Preload (At wheel
pin)
New Bearing and New N (kg/lb) NHR, NPR, NQR: 9.8-34.3 (1.0- —
Oil Seal 3.5/2.2-7.7)
NKR: 11.8-36.3 (1.2-3.7/2.6-8.0)
Reused Bearing and N (kg/lb) 14-28 (1.4-2.9/3.1-6.4) —
New Oil Seal
FREE WHEEL HUB
Clearance between the mm (in) 0-0.5 (0-0.02) —
Free Wheeling Hub Body
and the Snap Ring
00-8 SERVICE INFORMATION

SERVICING
Change The Rear Differential Gear Oil Change The Front Differential Gear Oil
1. Remove the drain plug (1) and filler plug (2) and, 1. Remove the drain plug (1) and filler plug (2), and
drain the gear oil. drain the gear oil.

N4A0001E N4A0002E

2. Tighten the drain plug to specified torque. 2. Tighten the drain plug to specified torque.

Tighten: Tighten:
Drain plug to 78 N⋅m (8.0 kg⋅m / 57 lb⋅ft) Drain plug to 83 N⋅m (8.5 kg⋅m / 61 lb⋅ft)
3. Fill the rear axle case with hypoid gear lubricant, to 3. Fill the front axle case with hypoid gear lubricant, to
just below the filler hole. just below the filler hole.
Front axle case oil capacity, 2.7 Liters (2.9 US / 2.4
Rear Axle Case Oil Capacity L (US/Imp qt) Imp⋅qt)
244 mm Diff. 2.7 (2.9/2.4) 4. Tighten the filler plug to specified torque.
292 mm Diff. 3.0 (3.2/2.6) Tighten:
(A) 3.4 (3.6/3.0) / Filler plug to 83 N⋅m (8.5 kg⋅m / 61 lb⋅ft)
320 mm Diff. (B) 4.3 (4.5/3.8) /
(C) 5.2 (5.5/4.6)

A: Except Straight Frame model

B: For Straight Frame model
C: For Straight Frame model, Colombia

Notice:
Limited Slip Differential (LSD)-Friction Type Model:
Use GL-5 LSD gear lubricant together with LSD Lubri-
cant Additive (ISUZU part No. 8-01052-358-0, GM part
No. #1052358) or equivalent.
Quantity
LSD Lubricant additive, 4 oz (112 g)
4. Tighten the filler plug to specified torque.

Tighten:
Filler plug to 78 N⋅m (8.0 kg⋅m / 57 lb⋅ft)
 SERVICE INFORMATION 00-9

FIXING TORQUE
Propeller Shaft
Rear propeller shaft

N4A0420E
00-10 SERVICE INFORMATION
Front Hub and Brake Drum (4 × 2 Model)

N4A0012E

Legend
A. NHR, NKR models (rear single and dual small B. NPR, NQR models (rear dual tire)
tire)
 SERVICE INFORMATION 00-11
Front Hub and Disc (4 × 2 Model)

N4A0013E

Legend
A. Independent suspension model B. Rigid axle model (293 & 310 mm disc)
00-12 SERVICE INFORMATION
Front Axle, Knuckle and King Pin (4 × 2 Model)

N4A0419E
 SERVICE INFORMATION 00-13
Front Hub, Brake Drum Spindle, Drive Shaft, Knuckle and King Pin (4 × 4 Model)

N4A0015E
00-14 SERVICE INFORMATION
Front Differential Assembly

N4A0016E
 SERVICE INFORMATION 00-15
Front propeller shaft

N4A0004E
00-16 SERVICE INFORMATION
Rear Hub, Brake Drum and Axle Shaft (NHR Single Tire Model)

N4A0005E
 SERVICE INFORMATION 00-17
Rear Hub, Brake Drum and Axle Shaft (NKR Single Tire Model; Full Floating)

N4A0007E
00-18 SERVICE INFORMATION
Rear Hub, Brake Drum and Axle Shaft (NHR Dual Small Tire, NKR Dual Tire, NPR, NQR, NPS
Models; Full Floating)

N4A0417E
 SERVICE INFORMATION 00-19
Rear Differential Assembly (244 mm)

N4A0010E

Legend
A. Apply stud lock C. Apply oil
B. Apply gear oil to bolt thread
00-20 SERVICE INFORMATION
Rear Differential Assembly (292/320 mm)

N4A0011E

Legend
A. Apply stud lock B. Apply gear oil to bolt thread
 SERVICE INFORMATION 00-21

SPECIAL TOOLS
Propeller Shaft Tool Number /
Illustration
Description / Remarks
Tool Number /
Illustration
Description / Remarks

9-8522-1268-0 (J-24259)
/ Axle shaft bearing outer
9-8529-2101-0 / Drive race installer
pinion flange bracket
9852212680

9852921010

Rear Axle 5-8840-2003-0 (J-24246)

/ Bearing holder nut
Tool Number / wrench
Illustration
Description / Remarks
5884020030

5-8840-2027-0 / Univer-
sal puller 9-8522-1269-0 (J-24255)
/ Bearing holder oil seal
installer
5884020270
9852212690

9-8521-0116-0 / Rear
hub remover 9-8522-1272-0 (J-24254)
/ Axle case oil seal
installer
9852101160

9852212720

9-8521-2501-0 / Rear
hub remover 9-8522-1271-0 (J-8609-
01) / Axle shaft bearing
installer
9852125010
9852212710

9-8521-1772-0 / Axle
shaft bearing outer race 9-8522-1188-0 / Rear
remover hub bearing nut wrench
{For 70mm (2.8 in.)}
9852117720
9852211880
00-22 SERVICE INFORMATION

Tool Number / Tool Number /

Illustration Illustration
Description / Remarks Description / Remarks

9-8522-1613-0 / Drive
5-8840-2830-0 / Ring pinion outer bearing
gear bolt wrench outer race installer (For
292mm)

5884028300 9852216130

9-8529-2101-0 / Drive 9-8522-0018-0 / Drive

pinion flange yoke pinion inner bearing
bracket inner race installer

9852921010 9852200180

9-8511-1507-0 (J-29042) 9-8522-1615-0 / Drive

/ Drive pinion flange pinion inner bearing
holding wrench inner race installer

9851115070 9852216150

5-8840-0015-0 (J-22912-
5-8840-2047-0 / Drive
01) / Drive pinion inner
pinion oil seal installer
bearing remover

5884000150 5884020470

9-8522-1196-0 / Drive
9-8522-1607-0 / Drive
pinion inner bearing
pinion oil seal installer
outer race installer

9852211960 9852216070

5-8840-2046-0 / Drive
pinion inner bearing 9-8521-0061-0 / Differen-
outer race installer (For tial side bearing remover
292mm)

5884020460 9852100610

9-8522-1197-0 / Drive 5-8840-2031-0 / Differen-

pinion outer bearing tial side bearing remover
outer race installer adaptor

9852211970 5884020310
 SERVICE INFORMATION 00-23

Tool Number / Tool Number /

Illustration Illustration
Description / Remarks Description / Remarks

9-8521-2701-0 / Differen-
5-8840-2293-0 (J-39209)
tial side bearing remover
/ Punch: End nut lock
adaptor

9852127010 5884022930

5-8840-2373-0 / Differen-
5-8840-2050-0 / Differen-
tial side bearing remover
tial side bearing installer
(For 320mm)

5884020500 5884023730

5-8840-2377-0 / Drive
9-8522-1614-0 / Differen-
pinion oil seal installer
tial side bearing installer
(For 320mm)

9852216140 5884023770

5-8840-2379-0 / Drive
9-8522-1603-0 / Dummy pinion inner bearing
pinion shaft outer race installer (For
320mm)

9852216030 5884023790

5-8840-2376-0 / Drive
9-8522-1624-0 / Dummy pinion outer bearing
nut outer race installer (For
320mm)

9852216240 5884023760

9-8522-1138-0 / Dummy 5-8840-2329-0 / Hub nut

shaft wrench

9852211380 5884023290

9-8522-1606-0 / Rear
9-8522-1137-0 / Dummy
hub bearing nut wrench
bearing (2 pcs required)
{For 74mm (2.9 in.)}

9852211370 9852216060
00-24 SERVICE INFORMATION

Tool Number / Tool Number /

Illustration Illustration
Description / Remarks Description / Remarks

9-8521-0092-0 / Rear 9-8522-1610-0 / Rear

hub inner bearing hub outer bearing outer
remover race installer

9852100920 9852216100

9-8522-1607-0 / Rear
hub oil seal installer (For 9-8522-1608-0 / Grip
292mm)

9852216070 9852216080

5-8840-2427-0 / Rear
9-8522-1148-0 / Grip
hub oil seal installer

5884024270 9852211480

9-8522-1194-0 / Rear
5-8840-0084-0 (J-2619-
hub inner bearing outer
01) / Sliding hammer
race installer

9852211940 5884000840

Front Axle
9-8522-1609-0 / Rear Tool Number /
hub inner bearing outer Illustration
Description / Remarks
race installer

9852216090

5-8840-2015-0 / Front
hub nut wrench
5-8840-2426-0 / Rear
hub inner bearing outer 5884020150
race installer

5884024260

9-8521-0115-0 / Front
hub remover (6 studs)
9-8522-1195-0 / Rear
hub outer bearing outer 9852101150
race installer

9852211950
 SERVICE INFORMATION 00-25

Tool Number / Tool Number /

Illustration Illustration
Description / Remarks Description / Remarks

5-8840-2023-0 / Front
5-8840-2016-0 / Front
hub inner bearing outer
hub remover (5 studs)
race installer

5884020160 5884020230

5-8840-2024-0 / Front
5-8840-2017-0 / Tie rod
hub inner bearing outer
end remover (driver side)
race installer

5884020170 5884020240

5-8840-2025-0 / Front
5-8840-2018-0 / Tie rod
hub outer bearing outer
end remover (assist side)
race installer

5884020180 5884020250

5-8840-2019-0 / Tie rod 5-8840-2026-0 / Front

arm & knuckle arm hub outer bearing outer
remover race installer

5884020190 5884020260

5-8840-2020-0 / King pin 5-8840-2235-0 / Front

key bolt remover hub Oil Seal installer

5884020200 5884022350

5-8840-2021-0 / King pin 5-8840-2182-0 / Front

remover hub bearing nut wrench

5884020210 5884021820

5-8840-2022-0 / King pin 5-8840-2187-0 / Front

remover hub oil seal installer

5884020220 5884021870
00-26 SERVICE INFORMATION

Tool Number /
Illustration
Description / Remarks

5-8840-2184-0 / Front
hub inner bearing outer
race installer

5884021840

5-8840-2183-0 / Front
hub outer bearing outer
race installer

5884021830

9-8521-0187-0 / Front
hub remover (6 studs)

9852101870

5-8840-2368-0 / Torx bit

(T70) (Disc Brake Only)

5884023680

5-8840-0003-0 (J-3289-
20) / Holding fixture base

5884000030

5-8840-2029-0 / Differen-
tial holding fixture

5884020290