GMC T Series 1994 Repair Manual page 701

CONTROL VALVE ASSEMBLY
Figure 4
0
Remove or Disconnect
1. Rotate transmission bottom pan surface up lock
in place.
2. Connector wire harness assembly (34) from case.
| V | Important
• If the wire harness assembly does not need
servicing, leave all connectors attached to
electrical components.
• Use a cap to cover electrical pin at case
connection.
3. Six bolts (76) using 8 mm socket, and
transmission fluid pressure switch assembly (40).
NOTICE:
Be sure five O-rings are attached to
transmission fluid pressure switch assembly.
4. Twenty-one bolts (35) using 10 mm socket, from
valve body assembly, manual detent spring and
roller assembly (41).
Figure 3 Removing Pan and Filter Assembly
5. Three wiring clips (33), fluid level indicator stop
(43), one bolt (36) using 10 mm socket, lube
pipe (39), lube pipe retainer (37) and clamp (38).
6. Control valve assembly (44) including the
accum ulator housing assem bly (51), and
connector wire harness assembly (34), valve body
gaskets (45 and 48), spacer plate (46) and
accumulator gasket (47).
7. Manual valve (319) from control valve assembly
(44) to prevent any damage.
8. Checkballs (54) from case passages.
NOTICE:
Do not use a magnet. It could cause
checkball(s) to be magnetized causing metal
particles to stick to the ball.
9. Pulse Width Modulated (PWM) solenoid screen
(75).
[ jy | Inspect
• Screen PWM solenoid (75), replace if
necessary.