brake ISUZU TF SERIES 2004 Workshop Manual

UNIT REPAIR (JR405E) 7A4-75

192-4B22



Force compressed air (392 kPa/4.0 kg/cm2) through the
transmission case oil passage to 2-4 brake operation.
If the 2-4 brake does not operate, the seal ring may be
damaged or the parts may have been installed in the
wrong order.


20ASSY037

9. Bearing race, front sun gear, and bearing

Install the bearing race to the front sun gear.
NOTE:
Apply Vaseline to the bearing race and bearing to prevent
them from falling during the installation procedure.


21ASSY040

Install the front sun gear to the transmission case.


22ASSY042

Install the bearing to the front sun gear.


23ASSY045

10.High clutch hub and bearing race
Install the bearing race to the high clutch hub.
NOTE:
Apply Vaseline to the bearing race.

7A4-84 UNIT REPAIR (JR405E)

SERVICE STANDARD
Name BESCO ATF II or ATF III ATF
Quantity L 9.2 – 9.6
Seal ring clearance mm (in) 0.10 – 0.25 (0.0039 – 0.0098)
Housing and inner rotor side clearance mm (in) 0.02 – 0.04 (0.0008 – 0.0016)
Oil pump
Outer rotor and crescent clearance mm (in) 0.02 – 0.15 (0.0008 – 0.0059)
Number of drive plate / driven plate 7/7
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 0.9 – 1.3 (0.035 – 0.051)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
Available low clutch retaining plate thickness mm (in)
4.8 (0.189)
Number of coil 9.9
Outside diameter mm (in) 9.7 (0.382)
Free length mm (in) 36.4 (1.433)
Low clutch
Return spring
Linear diameter mm (in) 1.2 (0.047)
Number of drive plate / driven plate 5/5
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 1.2 – 1.6 (0.047 – 0.063)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
Available high clutch retaining plate thickness mm (in)
5.4 (0.213)
Number of coil 10.2
Outside diameter mm (in) 8.0 (0.315)
Free length mm (in) 27.1 (1.067)
High clutch
Return spring
Linear diameter mm (in) 1.1 (0.043)
Number of drive plate / driven plate 2/2
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 0.6 – 0.9 (0.0236 – 0.035)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
Reverse clutch
Available reverse clutch retaining plate thickness mm (in)
5.4 (0.213)
Low one-way
clutch Seal ring clearance mm (in) 0.10 – 0.25 (0.0039 – 0.0098)
Number of drive plate / driven plate 6/6
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and snap ring clearance mm (in) 0.7 – 1.1 (0.028 – 0.043)
5.2 (0.205)
5.4 (0.213)
5.6 (0.220)
5.8 (0.228)
Low & reverse
brake
Available low & reverse brake retaining plate
thickness mm (in)
6.0 (0.236)

UNIT REPAIR (JR405E) 7A4-85

SERVICE STANDARD (Cont’d)
Number of coil 4.8
Outside diameter mm (in) 11.2 (0.441)
Free length mm (in) 22.3 (0.878)
Return spring
Linear diameter mm (in) 1.1 (0.043)
Number of drive / driven plate 5/5
Standard mm (in) 2.0 (0.079)Drive plate facing thickness
Limit mm (in) 1.8 (0.071)
Retaining plate and retaining plate clearance mm (in) 1.0 – 1.4 (0.039 – 0.055)
5.4 (0.213)
5.6 (0.220)
5.8 (0.228)
6.0 (0.236)
6.2 (0.244)
Available 2-4 brake retaining plate thickness mm (in)
6.4 (0.252)
Number of coil 10.2
Outside diameter mm (in) 6.9 (0.272)
Free length mm (in) 22.5 (0.886)
2-4 brake
Return spring
Linear diameter mm (in) 1.1 (0.043)
Output shaft Seal ring clearance mm (in) 0.10 – 0.25 (0.0039 – 0.0098)
Total end play mm (in) 0.25 – 0.55 (0.0098 – 0.0217)
1.4 (0.055)
1.6 (0.063)
1.8 (0.071)
2.0 (0.079)
2.2 (0.087)
Total end play
Available oil pump bearing race thickness mm (in)
2.4 (0.094)
Torque converter end play mm (in) 67.0 (2.638)

7A4-86 UNIT REPAIR (JR405E)
SPECIAL SERVICE TOOL
ILLUSTRATION PART NO. PART NAME


5-8841-0841-0


Holding Fixture


5-8840-0003-0


Holding Fixture Base


5-8840-2764-0


2-4 Brake Spring Compressor


5-8840-2767-0


High Clutch Spring Compressor


5-8840-2759-0


Low Clutch Spring Compressor


5-8840-2761-0


Oil Pump Oil Seal Installer


5-8840-2769-0


Rear Extension Oil Seal Installer


5-8840-2770-0


Rear Adapter Oil Seal Installer


5-8840-2758-0


Manual Shaft Oil Seal Installer