wheel ISUZU TFS SERIES 1997 User Guide

FRONT WHEEL DRIVE 4C1-3
MAIN DATA AND SPECIFICATIONS
FRONT AXLE AND DIFFERENTIAL
Ring gear size mm(in) 167 (6.6) 194 (7.6)
Axle tube
Type It consists of the duce, a cast iron housing and the Axle tube.
Gear type Hypoid
Gear ratio (to 1)
HEC.2.0L engine - -
HEC.2.2L engine 4.555 4.777
Differential type Two pinion
Oil capacity liter 1.0 1.4
(US/UK gal.) (0.26/0.22) (0.4/0.33)
Axle shaft type Constant velocity joint (Birfield joint type and double offset joint).
Hub locking type Automatic locking and Manual locking free wheel hubs.
FRONT PROPELLER SHAFT
Transmission type MSG MUA
Outside diameter mm(in) 40 (1.57) 40 (1.57)
Inside diameter mm(in) 33 (1.30) 32 (1.26)
Length mm(in) 505 (19.88) 471 (18.54)
(between two spiders center)

4C1-4 FRONT WHEEL DRIVE
SPECIAL PARTS FIXING NUTS AND BOLTS
FRONT DRIVE AXLE AND PROPELLER SHAFT
Nm (kgfm/lbft)
152.114.7 (15.51.5/112.10.8)82.4
7.8 (8.40.8/60.85.8) 167mm 35.3
2.9 (3.60.3/26.02.2)
194mm 62.8
3.9 (6.40.4/46.32.9)194mm 62.8
3.9
(6.4
0. 2/46.32.9) 167mm 35.3
2.9
(3.6
0.3/26.00.2)

FRONT WHEEL DRIVE 4C1-5
FRONT DIFFERENTIAL
Nm (kgfm/lbft)
25.55 (2.60.5/18.83.6) 167mm 147-294 (15-30/109-217)
194mm 176.6-274.7 (18-28/130-202)
68.7
4.9 (7.00.5/50.63.6) 167mm 78.5
9.8 (81/57.97.2)
194mm 107.9
9.8 (111/79.57.2)167mm 68.7
9.8 (71/50.67.2)
194mm 98.1
9.8 (101/72.37.2)

4C1-6 FRONT WHEEL DRIVE
FREE WHEELING HUB
Nm (kgfm/lbft)
11.82.0 (1.20.2/8.71.4) 58.9
5 (60.5/43.43.6)103
5 (10.51/75.97.2) 58.9
5 (60.5/43.43.6)

FRONT WHEEL DRIVE 4C1-7
RECOMMENDED LIQUID GASKET
Type Brand Name Manufacture Remarks
RTV*
Silicon BaseThreeBond 1207B
ThreeBond 1207C
ThreeBond 1215Three Bond
Three Bond
Three BondFor Engine Repairs
For Axle Case
Repairs, T/M
Water Base ThreeBond 1141E Three Bond For Engine Repairs
SolventThreeBond 1104
BelcoBond 4
BelcoBond 401
BelcoBond 402Three bond
Isuzu
Isuzu
IsuzuFor Engine Repairs
AnerobicLOCTITE 515
LOCTITE 518Loctite
LoctiteAll
* RTV : Room Temperature Vulcanizer
Note :
1. It is very important that the liquid gaskets listed above or their exact equivalent be used on the vehicle.
2. Be careful to use the specified amount of liquid gasket.
Follow the manufacture's instructions at all times.
3. Be absolutely sure to remove all lubricants and moisture from the connecting surfaces before applying
the liquid gasket.
The connecting surfaces must be perfectly dry.
4. LOCTITE 515 and LOCTITE 518 harden upon contact with a metal surface.
Do not apply LOCTITE 515 or LOCTITE 518 between two metal surfaces having a clearance of greater
than 0.25 mm (0.01 in). Poor adhesion will result.
RECOMMENDED THREAD LOCKING AGENTS
LOCTITE Type LOCTITE Color Application Steps
LOCTITE 242 Blue1. Completely remove all lubricant and moisture from the bolts and
the female threaded surfaces of the parts to be joined.
The surfaces must be perfectly dry.
LOCTITE 262 Red2. Apply LOCTITE to the bolts.
LOCTITE 270 Green
LOCTITE 271 Red3. Tighten the bolts to the specified torque.
4. Wait at least on hour before continuing the installation procedure.

4C1-8 FRONT WHEEL DRIVE
SERVICING
Hub Bearing Preload at the Wheel Pin
44 Model kg(lb)
New bearing and New oil seal 2 - 2.5 (4.4 - 5.5)
Reuse bearing and New oil seal 1.2 - 1.8 (2.6 - 4.0)
42 Model kg(lb)
New bearing and New oil seal 0.8 - 1.0 (1.8 - 2.2)
Reuse bearing and New oil seal 0.8 - 1.0 (1.8 - 2.2)

FRONT WHEEL DRIVE 4C1-9
GENERAL DESCRIPTION
FRONT DRIVE AXLE
FRONT HUB AND DISC (42 model)

4C1-10 FRONT WHEEL DRIVE
FRONT HUB AND DISC (44 model)

FRONT WHEEL DRIVE 4C1-11
LOCKING HUB
AUTOMATIC TYPE MANUAL TYPE
FRONT PROPELLER SHAFT

4C1-12 FRONT WHEEL DRIVE
FRONT DRIVE AXLE ASSEMBLY
REMOVAL AND INSTALLATION
1. Refer to SECTION 3E “WHEEL AND TIRES” for road wheel Disassembly and Reassembly procedure.
2. Refer to SECTION 4 “BRAKES” for disc brake caliper removal and installation procedure.
3. Refer to SECTION 3B “STEERING” for Steering linkage removal and installation procedure.
4. Refer to SECTION 4C “FRONT WHEEL DRIVE” for automatic hub disassembly and reassembly procedure.
Removal Steps
1. Assembly of hub and disc, back plate,
knuckle, knuckle arm, and lower end.
2. Propeller shaft
3. Nut and bolt
4. Washer
5. Front drive axle assembly
6. Washer
Installation Steps
6. Washer
5. Front drive axle assembly
4. Washer
3. Nut and bolt
2. Propeller shaft
1. Assembly of hub and disc, back plate,
knuckle, knuckle arm, and lower end.