GMC T Series 1994 Repair Manual page 700

TRANSMISSION DISASSEMBLY
NOTICE:
It is not recommended to use air powered
tools to disassemble or assemble transmissions/
transaxles. Improper bolt torques can contribute to
transmission repair conditions and this information,
vital to diagnosis, can only be detected when using
hand tools.
CONVERTER ASSEMBLY/SPEED SENSORS
Figures 1 and 2
Tools Required:
J 3289-20 Base
J 8763-02 Holding Fixture
J 38655 Adapter
J 23129 Seal Remover
J 6125-IB Slide Hammer
|*-»| Remove or Disconnect
1. Torque Converter (1).
2. Install cap on converter hub to hold oil.
C A U T IO N : T O R Q U E
EXTREM ELY HEAVY (APPROX. 65 LBS.)
P ER SO N N EL IN JU R Y M A Y RESULT.
3. Two Speed Sensor Assemblies (22) and two bolts
(23) with 8 mm socket.
4. Pump Body Seal Assembly (201).
Figure 1 Transmission Holding Fixture, Base and
Adapter
C O N V E R T E R IS
p 7 | Install or Connect
1. Holding fixture J 8763-02 and J 38655 onto
transmission.
NOTICE:
Overtightening of tool could cause case
damage and inhibit disassembly.
2. T ransm ission and holding
J 3289-20.
3. Lock in place with fixture pin.
22 SENSOR A SM , A/TRANS. INPUT SPD. A N D VEH. SPD. "
23 BOLT, METRIC HEX
86 PLUG, SENSOR BORE (SOME MODELS)
Figure 2 Removing Speed Sensors
PAN AND FILTER ASSEMBLY
Figure 3
B Remove or Disconnect
1. Rotate transmission to a vertical position, lock
in place with base pin. This position will prevent
contaminated fluid from reentering transmission.
2. Seventeen bolts (27), using 10 mm socket, drain
transmission fluid.
3. Pan (28), seal (29) and magnet (30).
| V | Important
• Seal (29) is
reusable.
4. Filter assembly (31).
[ y | Inspect
• Multilip seal (32), replace if necessary.
fix tu re into
RH0101 4L80 E