GMC T Series 1994 Repair Manual page 712

PARKING LOCK PAWL AND ACTUATOR
ASSEMBLY
27
Figure
|[ y | Inspect
1. Parking pawl (703) for:
• Cracks.
• Burrs.
• Damage.
2. Parking pawl shaft (702) for:
• Damage.
• Freeness of fit.
3. Parking pawl return spring (705) for:
• Distortion.
• Damage.
4. Detent lever (711) and actuator (710) for:
• Cracks.
• Damage.
5. Manual shaft (708) for:
• Damaged flats or threads.
• Wear.
6. Manual shaft retaining pin (709) for:
• Tightness.
7. Parking pawl return spring stud (706) for:
• Tightness.
701 PLUG, PARKING PAWL SHAFT HOLE
702 SHAFT, PARKING LOCK PAWL
703 PAWL, PARKING LOCK
704
RETAINER, PARKING PAWL SHAFT
705 SPRING, PARKING PAWL RETURN
706 STUD, PARKING PAWL RETURN SPRING
707 SEAL ASSEMBLY, MANUAL SHIFT SHAFT
TRANSMISSION CASE
F ig u re 2 8
[ y | Inspect
1. Case (7) for:
• Cracks.
• Porosity.
• Connected passages.
• Scored bushing (78).
• Excess gasket material left on surfaces.
2. Case extension (19) for:
• Cracks.
• Porosity.
• Scored bushing (77).
3. All threaded holes for:
• Damage.
- Heli-coil to repair damage.
4. Air check all fluid passages.
• See Diagnosis Section for fluid passage
identification.
5. Front and rear servo bores for:
• Porosity.
• Burrs.
• Damage.
SHAFT, MANUAL
708
PIN, MANUAL SHAFT RETAINING
709
ACTUATOR ASSEMBLY, PARKING LOCK
710
711 LEVER AND PIN ASSEMBLY, INSIDE DETENT
712 NUT, HEX HEAD
713 BRACKET, PARKING LOCK
714 BOLT, HEX HEAD - M6 X 1.25 X 20.0