2004 ISUZU TF SERIES Workshop Manual

Page 3913 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (AW30–40LE) 7A4–105
4. Install the retainer(26) by pushing the plug.
2 44R20 007 1
5. Install the coast modulator valve(25) and spring(24)
into the bore.
2 44R20 005 8
6. Install the r

Page 3914 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A4–106 UNIT REPAIR (AW30–40LE)
8. Install the retainer(19) by pushing in the plug.
2 44R20 006 9
9. Install the low coast modulator valve(18) and
spring(17) into the bore.
2 44R20 005 6
10. Insta

Page 3915 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (AW30–40LE) 7A4–107
12. Install the retainer(12) by pushing the plug.
2 44R20 006 7
13. Install the ball(11), spring(10) and retainer (9) to the
valve body.
Torque: 6.9 N·m (60Ibin)
2

Page 3916 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A4–108 UNIT REPAIR (AW30–40LE)
17. Install the three strainers(3) to the valve body as
shown.
2 44R20 006 4
18. Install the spring(2) and by-pass valve(1) to the
valve body as shown.
2 44R20 006

Page 3917 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (AW30–40LE) 7A4–109
Upper Valve Body
Cross Section
2 43R20 0052

Page 3918 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A4–110 UNIT REPAIR (AW30–40LE)
Disassembled View
2 43R20 0074
E nd O FCallo ut
Legend
(1) Check ball 
(2) Retainer
(3) Check valve NO.2
(4) Ball
(5) Check valve NO.1
(6) Retainer
(7) Check valve

Page 3919 of 4264

ISUZU TF SERIES 2004  Workshop Manual UNIT REPAIR (AW30–40LE) 7A4–111
Disassembly
1. Remove the two types of check balls(1) from the
valve body.
Number of check ball : 11
RUW 37A SH00 480 1
NOTE:  Confirm eight retainers are installed

Page 3920 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7A4–112 UNIT REPAIR (AW30–40LE)
4. Remove the retainer (6) for check valve.
2 43R20 006 7
5. Remove the check valve NO.2(7), ball(8) and check
valve NO.1(9) from the valve body.
2 43R20 006 2
6. R