2004 ISUZU TF SERIES switch

7A4-12 UNIT REPAIR (JR405E)

06CV19

5. Solenoid
6. Oil pressure switch Remove the 6 solenoids together and the 3 oil pressure
switchs.


07CV17

7. Control valve upper body
8. Control valve lower body
9. Separation plate
Remove the 17 bolts securing the control valve uppe
r
body, the control valve lower body, and the separation
plate.


08CV16



Separate the upper body, the lower body, and the
separation plate.
NOTE:
Take care not to drop or lose the parts at the inside of the
control valve.

Inspection


Inspect the separation plate for wear and other damage.

UNIT REPAIR (JR405E) 7A4-15
244L300003
Legend
1. High clutch oil pressure switch connector
(wire color: Gray)
2. 2-4 brake oil pressure switch connector
(wire color: Brown)
3. Low and reverse brake oil pressure
switch connector (wire color: White)
4. Low and reverse brake duty solenoid
connector (wire color: Pink and White)
5. High clutch duty solenoid connector
(wire color: Green and Gray)


6. Lock-up duty solenoid connector (wire
color: Yellow and Black)
7. 2-4 brake duty solenoid connector (wire
color: Blue and Brown)
8. Low clutch duty solenoid connector (wire
color: Orange and Black)
9. Line pressure solenoid connector (wire
color: Pink)

7A4-16 UNIT REPAIR (JR405E)

12CV19

4. Solenoid
5. Oil pressure switch
Install the O-rings to each of the solenoids.

Install the 6 solenoids together and the 3 oil pressure
switchs.
NOTE:
Be sure the high clutch oil pressure switch is marked.

Tighten the bolts to the specified torque.
Torque:
Oil pressure switch bolts – 4.4 N






m (39 Ib






in)
Line pressure solenoid bolt (Single gold-colored bolt 16
mm) – 8 N






m (69 Ib






in)
6. Solenoid fixing plate
7. Harness bracket Install the solenoid fixing plate together with the harness
bracket.
Tighten the bolts to the specified torque.

Number Length (Color)
Solenoid fixing plate bolt
(A) 4 16 mm (0.63 in) (Gold)
(B) 7 45 mm (1.77 in) (Silver)

13CV20


Torque: 8 N






m (69 Ib






in)

14CV21



15CV26

8. Harness assembly
Install the harness assembly.

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

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.

7A4-54 UNIT REPAIR (JR405E)

TRANSMISSION CASE

02CASE-BK06
Legend
1. Transmission case
2. Spring pin (slender)
3. Spring pin (fat)
4. Manual plate
5. Detent spring


6. Parking rod
7. Manual shaft
8. Oil seal
9. Inhibitor switch

7A4-82 UNIT REPAIR (JR405E)
244L300001


21.Oil pan

Install a new gasket and the oil pan.

Tighten the bolts to the specified torque.
Torque: 8 N 


m (69 Ib 


in)

47INH-SW01

22.Inhibitor switch

Secure the inhibitor switch (1) by hand-tightening the 2
bolts.

Use the inhibitor switch set plate to align the neutral
holes (manual shaft and inhibitor switch).
Turn the inhibitor switch to adjust it.
Inhibitor switch set plate: 5-8840-2763-0
NOTE:
Inhibitor switch adjustment is very important.
If the inhibitor switch is not correctly adjusted, the
automatic transmission will not function normally.

Tighten the 2 inhibitor switch bolts to the specified
torque.

UNIT REPAIR (JR405E) 7A4-87
ILLUSTRATION PART NO. PART NAME


5-8840-2763-0


Inhibitor Switch Set Plate