1997 ISUZU TFS SERIES clutch

4C1-66 FRONT WHEEL DRIVE
FRONT HUB AND DISC (Manual Locking Hub)
DISASSEMBLY
Disassembly Steps
1. Bolt
2. Housing assembly
3. Snap ring and shim
4. Body assembly
5. Lock washer
6. Hub nut
7. Hub and disc assembly
8. Outer bearing
9. Oil seal
10. Inner bearing
11. Clutch assembly12. Snap ring
13. Knob
14. Compression spring
15. Follower
16. Retaining spring
17. Detent ball and spring
18. X-ring
19. Snap ring
20. Inner assembly
21. Snap ring
22. Ring
23. Spacer

FRONT WHEEL DRIVE 4C1-67
Important Operations
1. Bolt
Before removal, shift transfer lever into “2H” position and set
free wheeling hub knob into “FREE” position.
6. Hub Nut
Wrench : 5-8840-2117-0
(J-36827)
Refer to Section 5 “Brake” for disc brake
caliper removal procedure.7. Hub and Disc Assembly
Before disassembly, remove the disc brake caliper assembly
and hang it on the frame with wires.
11.Clutch Assembly
While pushing follower knob, turn clutch assembly clockwise
and then remove clutch assembly from knob.
16.Retaining Spring
Remove retaining spring from clutch assembly by turning it
counterclockwise.

4C1-68 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, refer to Section 5 “Service Brakes”.
Hub
Hub bearing, oil seal
Knuckle spindle
Disc
Caliper
Free wheeling hub parts
(Option)
Clutch, knob, follower, inner, ring and
spring
Visual Check
Check the following parts for wear, damage or other abnormal
conditions.

FRONT WHEEL DRIVE 4C1-69
REASSEMBLY
Reassembly Steps
1. Spacer
2. Ring
3. Snap ring
4. Inner assembly
5. Snap ring
6. X-ring
7. Detent ball and spring
8. Knob
9. Snap ring
10. Retaining spring
11. Follower
12. Compression spring
13. Clutch assembly
14. Outer bearing
15. Inner bearing
16. Oil seal
17. Hub and disc assembly
18. Hub nut
19. Lock washer
20. Body assembly
21. Snap ring and shims
22. Cover assembly
23. Bolt

4C1-70 FRONT WHEEL DRIVE
Important Operations
1. Spacer
Apply grease to both faces of spacer.
4. Inner Assembly
Apply grease wheel bearing to inside face of ring.
g(oz)
Amount of grease 3 (0.10)
8. Knob
(1) Apply grease W heel bearing to outer circumference of knob
and inner circumference of cover.
(2) Align detent ball to either groove of cover.
9. Snap Ring
Turn the smoother face to knob side.
10.Retaining Spring
Align the end of spring to the end of cut portion of clutch spring
groove.
11.Follower
Install follower to clutch so that follower nail will come closer to
the bent portion of retaining spring by aligning follower stopper
nail to outer teeth of clutch. Then, hook retaining spring onto
upper portion of hanger nails of follower.
12.Compression Spring
Turn the smaller diameter side to follower.
13.Clutch Assembly
Align follower nail to handle groove, and then assemble clutch
with knob by pushing and turning clutch counterclockwise to
knob.

4C1-88 FRONT WHEEL DRIVE
(3) NOISES IN AUTOMATIC LOCKING FREE WHEEL HUB
Note :
Some noise at the time of shifting from
“LOCK” to “FREE” or vice versa is normal.
It is not a sign of trouble.
Checkpoint Trouble Cause Countermeasure
Operating of automatic locking
free wheel hubReplace the driven clutchOne side operating
Connect the axial play or
replace the driven clutchExcessive axial play
NG NG
OKHoldout ring axial play
Front axle or jointReplace or tightenDamaged or loose NG OK

WORKSHOP MANUAL
TF SERIES
CLUTCH
SECTION 7C

CLUTCH 7C-1
SECTION 7C
CLUTCH
TABLE OF CONTENTS
PAGE
Main Data and Specifications ...................................<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011[ 7C- 2
General Description......................................................................................................... 7C-3
Torque Specification ...........................................<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011[ 7C-8
Servicing<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011[<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[...... 7C- 13
Clut<0046004b0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011[<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[........ 7C- 15
Removal and Installation .......................................<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[ 7C- 15
Inspection and Repair................................................................................................. 7C- 20
Clutch Control .................................................................................................................. 7C- 27
Removal and Installation .......................................<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[ 7C- 27
Master Cylinder (Except 6VD1 Engine) .......................................................................... 7C- 30
Disassembly <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011[ 7C-30
Inspection and Repair................................................................................................. 7C- 31
Reassembly <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011[ 7C-32
Master Cylinder (6VD1 LHD Model) ................................................................................ 7C- 33
Disassembly and Reassembly ................................................................................... 7C- 33
Slave Cylinder (Except 6VD1 Engine) ............................................................................ 7C- 35
Disassembly <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011[ 7C-35
Inspection and Repair................................................................................................. 7C- 36
Reassembly <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011[ 7C-36
Hydraulic Damper Cylinder (Except 6VD1 Engine) ....................................................... 7C- 40
Inspection and Repair................................................................................................. 7C- 40
Troubleshooting .............................................................................................................. 7
C- 41
Special Service Tool ........................................................................................................ 7C-50
INDEX