oil filter ISUZU TF SERIES 2004 Repair Manual

UNIT REPAIR (JR405E) 7A4-23

CONTROL VALVE LOWER BODY

10CV11
Legend
1. Retainer plate, spring, and steel ball
2. Retainer plate, plug, spring, and
pressure regulator valve
3. Retainer plate, spring, and high clutch
accumulator
4. Retainer plate, plug, low and reverse
brake fail valve A, and spring
5. Retainer plate, plug, spring, and fail
valve
6. Retainer plate, plug, low and reverse
brake amp valve, and spring
7. Oil pressure switch
8. Oil filter
9. Solenoid
10. Line pressure solenoid
11. Lock-up solenoid

12. Harness bracket
13. Solenoid fixing plate
14. Harness assembly
15. Retainer plate, plug, spring, and 2-4
brake fail valve A
16. Retainer plate, plug, spring, and low
clutch amp valve B
17. Retainer plate, spring, and torque
converter relief valve
18. Oil strainer
19. Control valve lower body
20. Retainer plate, spring, and 2-4 brake
solenoid accumulator
21. Oil pressure switch

7A4-24 UNIT REPAIR (JR405E)

Disassembly steps

Remove the oil filter from the control valve lower body.

244L300009
Legend
1. Oil filter
2. Separation plate





Remove the control valve from the control valve lower
body.
NOTE:
Place the control valve where it will not get mixed up with
the other parts.

Inspection
Valve
Inspect each of the valves for denting and other damage.
Spring
Inspect each of the springs for wear and fatigue.

UNIT REPAIR (JR405E) 7A4-27

Spring specifications
No. Valve nomenclature Free length
(mm / in) Outside
diameter (mm
/ in) Linear
diameter (mm
/ in) Number of
coils
14 Pressure relief 49.0 / 1.929 7.6 / 0.299 1.1 / 0.043 17.3
15 Pressure regulator 30.5 / 1.201 14.0 / 0.551 1.4 / 0.055 5.7
16 Low and reverse brake fail (A) 22.0 / 0.866 7.0 / 0.276 0.6 / 0.024 10.0
17 Fail 23.0 / 0.906 11.0 / 0.433 0.5 / 0.020 13.2
18 Low and reverse brake amp 19.5 / 0.768 7.9 / 0.311 0.5 / 0.020 6.9
19 2 – 4 brake fail (A) 24.8 / 0.976 8.5 / 0.335 0.9 / 0.035 7.8
20 Low clutch amp (B) 26.0 / 1.024 11.0 / 0.433 0.5 / 0.020 6.9
21
Torque converter relief More than 47.2
/ 1.858 9.2 / 0.362 1.6 / 0.063 20.2
22 2 – 4 brake solenoid accumulator 31.4 / 1.236 9.8 / 0.386 1.3 / 0.051 9.3
23 High clutch accumulator 51.0 / 2.008 6.5 / 0.256 0.8 / 0.031 23.5

Oil pressure switch
Apply compressed air (392 kPa/4.0 kg/cm2) to the oil pressure
switch to check the oil pressure switch continuity between the
connector and screw.






244L300011

Oil temperature sensor (harness assembly)
Check the oil temperature sensor resistance between harness
terminals 7 and 6 (ground).

Oil temperature sensor resistance: 2,400




2,600 ohms
(20
 )


Solenoid
Measure the resistance of each solenoid.

Resistance:
Brown connector – 3.0
 3.4 ohms (20
 C)
Gray connector – 12.0
 13.2 ohms (20
 C)
White connector – 12.2
 13.4 ohms (20
 C)

Reassembly steps

Coat the parts with ATF before installing them.

Install the control valve to the control valve lower body.

Install the oil filter to the control valve lower body.