GMC T Series 1994 Repair Manual page 731

OVERDRIVE CARRIER ASSEMBLY
Figure 64
l^p l Measure
1. Set dial indicator on pinion (518) to zero.
Manually raise pinion.
2. End play is 0.229 to 0.610 mm (0.009 to 0.024
inch).
|<$»| Disassemble
Figures 65 and 66
1. Snap ring (521) and retainer pinion pin (520).
NOTE:
Mark top of pinion gears and location on
carrier of pins to be reinstalled in original locations.
2. Four pinion pins (519) from carrier (514).
3. Pinions (518), thrust washers (515 and 516) and
roller needle bearings (517).
I ffil Clean
• All components.
[EH Inspect
1. Pinion pocket thrust surfaces for:
• Burrs.
2. Roller clutch assembly (512).
3. Pinion assembly (518).
4. Thrust bearing assembly (513).
5. Carrier (514) for:
• Cracks.
• Damage.
• Wear.
|- ^ | Assemble
i h
1. Needle bearing (517) and pinions (518).
2. Washers (515 and 516) on pinion (518).
| 9 | Important
• Thrust bearing (513) must be installed before
pinions.
3. Thrust bearing (513).
4. Pinion gear assemblies into carrier (514).
5. Pinion pins (519) through pinion gear (518) and
carrier (514).
6. Retainer (520) and snap ring (521).
Figure 64 Measuring Overdrive Carrier Pinion Travel
514
513 BEARING ASSEMBLY, THRUST CARRIER/
OVERRUN CLUTCH
514 CARRIER ASSEMBLY, OVERDRIVE
515 WASHER, PINION THRUST
516 WASHER, PINION THRUST (STEEL)
517 ROLLER, NEEDLE BEARING
518 PINION, OVERDRIVE PLANET
519 PIN, OVERDRIVE PINION
520 RETAINER, PINION PIN
521 RING, SNAP
RH0160-4L80-E