General Service Information - GMC T Series 1994 Repair Manual

TRANSMISSION DISASSEMBLY

General Service Information

Figure 1
Tool Required:
J 8763-02 Holding Fixture and Base
NOTICE:
It is not recom m ended to use air
pow ered tools to d isassem ble or assem ble
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.
• Teflon Oil Seal Rings
If any seal rings are damaged, cut, or do not
rotate freely in their groove be certain to check
the ring groove for debris, burrs, or damage.
• Thrust Washer Surfaces
The thrust washer and thrust bearing surfaces
may appear to be polished. This is a normal
condition and should not be considered damage.
|lg | Clean
• Thoroughly clean the exterior of the trans­
mission.
|<— ► ! Remove or Disconnect
• Torque Converter (1).
B
Install or Connect
1. J 8763-02 onto the transmission case.
2. Holding fixture into the base.
B Remove or Disconnect
• Drain the transmission fluid out case extension
by rotating transmission so bell housing is up.
2-4 Servo Assembly
Figures 2 and 3
Tool Required:
J 29714 Servo Cover Compressor
[ | Remove or Disconnect
m
1. Install J 29714.
2. Servo cover retaining ring (29).
3. Servo cover and O-ring seal (28 and 27).
• If the servo cover seems to be hung up on
the seal, cut and remove the O-ring seal
before removing the cover.
4. 2-4 servo assembly (12-26).