GMC T Series 1994 Repair Manual page 670

6. Spacer plate and gaskets onto the case.
| V j Important
• Be careful not to damage screens when
installing the spacer plate and gaskets.
7. Spacer plate support (53) and bolts (77).
|g (l Tighten
• Bolts to 11 N-m (8 lb. ft.)
Control Valve Body
F g j Clean
• Control valve assembly thoroughly in clean
solvent.
A. Move the valves with a pick or small
screwdriver to dislodge any dirt or debris
that may have accumulated.
B. Air dry
B Remove or Disconnect
[ T ] Important
• Some valves are under pressure - cover the
bores while removing roll pins and retainer
clips.
• Valves, springs and bushings must be laid
out on a clean surface in the exact sequence
they are removed.
1. Pressure control solenoid retainer bolt (364)
retainer (378) and solenoid.
2. Bore plug retainer clip (395), bore plug (376)
and valve train (374 and 375).
3. 2-3 shift solenoid retainer (379), solenoid (367)
and valve train (368 and 369).
4. 1-2 shift solenoid retainer (379), solenoid (367)
and valve train (365 and 366).
5. Accumulator valve train retainer pin (360), bore
plug (373) and valve train (370 and 371).
6. Forward accumulator cover bolts (364) and
cover (363).
7. Forward accumulator spring (356), piston (354)
and pin (355).
8. Lo overrun valve spring (362) and valve (361).
9. Retainer pin (360), bore plug (359) and forward
abuse valve train (357 and 358).
10. Manual valve (340).
11. 3-2 control solenoid retainer clip (379) and
solenoid (394).
12. Bore plug retainer (395), bore plug (381) and
3-2 control valve train (391 - 393).
13. 3-2 downshift bore plug retainer (395), bore
plug (381) and valve train (389 - 390).
14. Reverse abuse bore plug retainer pin (360), bore
plug (359) and valve train (387 - 388).
15. 3-4 shift valve bore plug retainer (395), bore
plug (381) and valve train (385 - 386).
16. 3-4 relay bore plug retainer (395), bore plug
(381) and valve train (382 - 384).
17. Torque converter clutch signal valve bore plug
retainer (395), bore plug (381) and valve (380).
F jfl Clean
• All valves, springs, bushings and control valve
body in clean solvent.
• Dry using compressed air
[ y | Inspect
• All valves and bushings for:
- Porosity
- Scoring
- Nicks
- Scratches
• Springs for damaged or distorted coils.
• Valve body casting for:
- Porosity
- Cracks
- Interconnected oil passages
- Damaged machined surfaces
p £ | Assemble
• Control valve assembly (350) exactly as shown.
- Notice the position of the valve lands and
bushing passages.
- Position the pressure control solenoid so
the connector tabs face outward.
Install or Connect
1. Checkballs into the valve body assembly (350).
• R etain w ith T ransjel™
equivalent.
2. Valve body assembly (350).
• Connect the manual valve link (89) to the
inside detent lever (88).
• Be careful not to damage screens when
installing the valve body assembly.
J 3 6 850 or