TM 9-2320-280-34
17-30. TRANSMISSION ASSEMBLY FROM SUBASSEMBLIES (4L80-E)
This task covers:
j.
Front Unit End Play Check
a.
Parking Lock Pawl and Actuator Assembly
k.
Front Servo
b.
Center Support Assembly
l.
Band Apply Pin Check
c.
Gear Unit Assembly
m.
Rear Servo
d.
Rear Unit End Play Check
n.
Control Valve Assembly (1995-1996)
e.
Intermediate Clutch Assembly
n.1.
Control Valve Assembly (1997-1998)
f.
Direct Clutch Assembly
o.
Oil Pan and Filter Assembly
g.
Forward Clutch Assembly
p.
Speed Sensors
h.
Fourth Clutch, Turbine Shaft, and
Overdrive Carrier Assembly
q.
Holding Fixture
i. Pump Assembly
r.
Torque Converter
INITIAL SETUP:
Applicable Models
Materials/Parts
M997A2, M1025A2, M1035A2,
Expansion plug (Appendix E, Item 175)
M1043A2, M1045A2, M1097A2, M1123
Gasket (Appendix E, Item 28)
Plain seal (Appendix E, Item 221)
Tools
Gasket (Appendix E, Item 32)
General mechanic's tool kit:
Gasket (Appendix E, Item 27)
automotive (Appendix G, Item 1)
Two packing retainers (Appendix E, Item 187)
Dial indicator (Appendix G, Item 95)
Hydraulic parts kit (Appendix E, Item 159)
Special Tools
Gasket (Appendix E, Item 23)
Transmission fluid (Appendix B, Item 24)
Transmission holding fixture
Petrolatum (Appendix B, Item 38)
(Appendix G, Item 29)
Two guide pins (Appendix C, Fig. 2)
Transmission holding fixture base
Sealant (Appendix B, Item 43)
(Appendix G, Item 30)
Adapter (Appendix G, Item 41)
Personnel Required
Gear unit installer/remover
One mechanic
(Appendix G, Item 44)
One assistant
Band apply pin checking tool
Manual References
(Appendix G, Item 53)
Pump remover/installer (Appendix G, Item 43)
TM 9-23320-280-24P
Clutch alignment tool (Appendix G, Item 38)
Maintenance Level
General support
a. Parking Lock Pawl Actuator Assembly
CAUTION
All transmission parts must be lubricated with clean transmission fluid (Dexron
III) before assembly. Foreign material will cause transmission damage.
NOTE
During assembly operations, it is important to closely inspect each unit to
ensure nothing has been overlooked during inspection and repair. Plugs should
be checked for tightness, parts kept clean, openings covered, and machined
surfaces protected. Application of lubricant should be performed from
covered containers.
Install transmission case in holding fixture (para. 17-14).
For general assembly instructions, refer to para. 2-16.
1.
Install shaft (14) and pawl (1) in transmission case (11) and secure with retainer (12).
2.
Using sealant, install expansion plug (13) in transmission case (11).
17-130
Change 2
