2004 ISUZU TF SERIES Workshop Manual

Page 3241 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-77
 
Disassembly 
  1. Clean the exterior of the unit with solvent. 
  2. Remove the drain plug from the transmission case 
and drain the lubricant. 
  3. Remove the clutch

Page 3242 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-78     MANUAL TRANSMISSION
 
Rear Oil Seal Replacement 
220R300025
 
Legend 
(1) Installer 5-8840-2797-0 
(2) Grip 5-8840-0007-0 
  1. Remove the oil seal from the rear case and discard 
the used

Page 3243 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-79
 
  5. Install top gear bearing snap ring (9) and counter 
front bearing snap ring (7). 

  Use a pair of snap ring pliers to install the snap 
rings to the mainshaft a

Page 3244 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-80     MANUAL TRANSMISSION
 
 12. Install the washer and snap pin. (6VE1) 
  
 
 
RTW47BMH000201
 13. Pack the inside recess (A) and coat the back (B) of 
the release bearing with molybdenum disul

Page 3245 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-81
 
Intermediate Plate with Gear Assembly, Detent, Shift Arm, Shift Rod, and 
Interlock Pin 
Disassembled View 
  
 
 
 RTW47BLF000501 
Legend
 
(1)  Detent Spring Plate a

Page 3246 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-82     MANUAL TRANSMISSION
 
Disassembly 
  1. Remove detent spring plate and gasket (1), detent 
spring (2) and detent ball (3). 
Use a magnetic hand to remove the detent balls 
from the intermed

Page 3247 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-83
 
Inspection and Repair 
Make the necessary adjustments, and part 
replacements if excessive wear or damage is 
discovered during inspection. 
Shift Arm Thickness 
   U

Page 3248 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-84     MANUAL TRANSMISSION
 
Reassembly 
  1. Install rev-5th shift arm and reverse inhibitor (6) and 
rev-5th shift rod (5). 
  Apply oil to the reverse inhibitor inner surface. 
  Install the