2004 ISUZU TF SERIES Workshop Manual

Page 1185 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL   6A – 45 
  
 
 
  4JA1L 
RTW46ASH001001  
4. EGR Valve 
1)  Remove four nuts and remove the EGR valve 
assembly from the intake manifold. 
2)  Remove four bolts and remove the a

Page 1186 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A – 46  ENGINE MECHANICAL 
  13. Injection Pump 
  Rrefer  to secton  6C-19 (Injection Iump) 
 
 14. Starter Motor 
  15. Oil Pressure Warning Switch 
  16. Fuel Leak Off Pipe 
  17. Oil Cooler Wat

Page 1187 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL   6A – 47 
1 
DISASSEMBLY 
  INTERNAL PARTS 
MAJOR COMPONENTS 
 
   
 
 
 
 
 
Disassembly Steps-1     
 1. 
Water bypass hose    5. 
Rocker arm shaft and rocker  
 2. 
Thermostat

Page 1188 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A – 48  ENGINE MECHANICAL 
  
 
 
 
 
 
 
RTW46ALF000101 
 
 
Disassembly Steps-2     
  9.  Crankshaft damper pulley       
  10.  Timing gear case cove       
 11. Water pump      
  12.  Idle ge

Page 1189 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL   6A – 49 
 
 014R300005 
 
 
Disassembly Steps-3     
  17.  Flywheel    27.  Piston and connecting rod with  
  18.  Crank case      upper bearing 
  19.  Oil pump with oil pipe

Page 1190 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A – 50  ENGINE MECHANICAL 
   Disassembly 
  1.  Water Bypass Hose 
2.  Thermostat Housing with Thermo Switch 
3.  Cylinder Head Cover 
  4.  Injection Nozzle and Bracket 
1.  Remove the injection

Page 1191 of 4264

ISUZU TF SERIES 2004  Workshop Manual ENGINE MECHANICAL   6A – 51 
 
  10. Timing Gear Case Cover 
The timing gear case is tightened together with the 
injection pump at the 6 points indicated by the arrows in 
the illustration. 
 
11.

Page 1192 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6A – 52  ENGINE MECHANICAL 
   
 
 RTW36ASH000801 
Idler Gear "A" End Play Measurement 
Insert a feeler gauge between the idler gear and the thrust 
collar to measure the gap and determine the idler