chevrolet truck Light Duty Truck 1994 Series, Repair Manual

Page: 637 / 919

78 PLUG, STEEL CUP
79 SHAFT, PARKING BRAKE PAWL
80 SPRING, PARKING PAWL RETURN
81 PAWL, PARKING BRAKE
82 SEAL, M A N U A L SHAFT
83 RETAINER, M A N U A L SHAFT
84 SHAFT, M A N U A L
85 ACTUATOR ASSEMBLY, PARKING LOCK
86 BRACKET, PARKING LOCK
87 BOLT, PARKING LOCK BRACKET
88 LEVER, INSIDE DETENT
89 LINK, M A N U A L VALVE
90 NUT, HEX HEAD
RH0123-4L60-E
Parking Pawl
Figure 33
[ y | Inspect
• Parking pawl (81) for cracks, burrs, or damage.
• Parking pawl return spring (80) for distortion
or damage.
• Parking pawl pivot shaft (79) for damage and
freeness of fit with the parking pawl.
[++I Install or Connect
Figure 33
1. Parking pawl (81) and parking pawl return
spring (80) into the case.
2. Parking pawl pivot shaft (79) into the parking
pawl (81) and the case.
• Check for proper operation.
3. Retaining plug (78) into the case.
• Coat the plug with Loctite® sealant or
equivalent and install it with a hammer and
punch.
Reaction Internal Gear and Carrier Assembly
Figures 34,35 and 36
[ y [ Inspect
• Reaction internal gear (684) and support (685)
for:
- Proper assembly.
- Stripped splines.
- Cracks.
- Teeth or lug damage.
- Thrust bearing assemblies (683 and 692)
for damage.
• Lo and reverse clutch plates (682) for:
- Composition material wear, heat damage,
or delamination.
- Heat damage or surface finish damage to
steel plates.
• Reaction carrier assembly (681) for:
- Pinion gear damage.
- Excessive pinion washer wear.
- End play exceeding 0.61 mm (0.024 inch).
- Proper pinion staking.
- Keystoned pinion gears (pinions must turn
freely).
- Damaged or worn thrust bearing.
- To check the captive thrust bearing in the
carrier for wear, place a bushing or an
output shaft sleeve on the bearing race (do
not contact the pinion gears) and turn it
w ith the p alm o f y o u r han d . A ny
im perfections will be felt through the
bushing.