2004 ISUZU TF SERIES Workshop Manual

Page 201 of 4264

ISUZU TF SERIES 2004  Workshop Manual REAR AXLE  4B-37
 
Disassembly 
  Prepare a side gear holder : 5-8840-2682-0 as 
shown in the left figure, clamp it with a stock vice, 
and set a differential. 
425R300008
 
1. Screw 
 
   Apply a s

Page 202 of 4264

ISUZU TF SERIES 2004  Workshop Manual 4B-38  REAR AXLE
 
Inspection and Repair 
Make all necessary adjustments, repairs, and part 
replacements if wear, damage, rust or other problems 
are discovered during inspection. 
 
Visual Check 
In

Page 203 of 4264

ISUZU TF SERIES 2004  Workshop Manual REAR AXLE  4B-39
 
425RY00025
 
425RY00023
 
Friction Desc and Friction Plate 

  Check friction disc and friction plate for distorsion.
  Limit : 0.08 mm  
 
 
 
 
 
 
425RS061
  
  Check friction

Page 204 of 4264

ISUZU TF SERIES 2004  Workshop Manual 4B-40  REAR AXLE
 
 
 
 
425RS063
 
 
Reassembly 
Adjustment of Clearance between 
Friction Disc and Plate 
1.  Measuring depth of differential case 
mm(in)
 
Standard (A-B)  80.58 (3.17) 
(C) 10.58 (

Page 205 of 4264

ISUZU TF SERIES 2004  Workshop Manual REAR AXLE  4B-41
 
 
 
425RS066
 
2.  Measuring dimension between thrust washers at 
both ends. 
  Assemble side gear, pinion, pinion shaft pressure 
ring and thrust washer. 
   Eliminate clearance b

Page 206 of 4264

ISUZU TF SERIES 2004  Workshop Manual 4B-42  REAR AXLE
 
Confirmation of Operation 
  Using the side gear holder : 5-8840-2682-0, 
measure the starting torque of the side gear. 
  Starting torque : 29-45 Nm (3.0-4.6 kgm/22-33 lb 
ft)

Page 207 of 4264

ISUZU TF SERIES 2004  Workshop Manual REAR AXLE  4B-43
 
TROUBLESHOOTING
Refer to this Section to quickly diagnose and repair 
rear axle problems. 
Each troubleshooting chart has three headings 
arranged from left to right. 
(1)  Checkpoi

Page 208 of 4264

ISUZU TF SERIES 2004  Workshop Manual 4B-44  REAR AXLE
 
1.  ABNORMAL REAR AXLE NOISE 
1)  Noise when the Engine is Driving the Vehicle 
 
Checkpoint  Trouble Cause  Countermeasure 
 
Replenish the gear oilInsufficient gear oil NG
Differe