GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1997 🢒 Isuzu - N Series 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Overdrive Carrier Assembly Disassemble

    Object Number: 31124 Size: SH
  1. Remove the overdrive roller clutch assembly (512) from the overdrive carrier assembly (514).

    2. Object Number: 31125 Size: SH
  2. Remove the pinion pin retainer retaining ring (521) from the overdrive carrier assembly (514).

    3. Important: Before removing the pinion gear pins, mark the overdrive carrier pinion gears and the overdrive carrier pinion gear pins locations so they can be identified for reassembly.

  3. Remove the pinion pin retainer (520).

    4. Object Number: 31127 Size: SH

    Important: Keep all washers and bearings together with the overdrive carrier pinion gear and pin they were removed with. The pinion gears, washers and bearings must be reinstalled in their original locations.

  4. Remove one overdrive carrier pinion gear (518) and pin (519) at a time.
  5. Inspect the overdrive carrier pinion gear (518), pin (519), roller bearings (517), steel thrust washers (516) and thrust washers (515) for wear or damage.

    6. Object Number: 31129 Size: SH
  6. Remove the overrun clutch housing thrust bearing (513). The bearing will fall out when the pinion gears are removed.

    7. Object Number: 31132 Size: SH
  7. Inspect the pinion pocket thrust surfaces for burrs.
  8. Inspect the overdrive roller clutch assembly (512).
  9. Inspect the overdrive carrier assembly (514) for cracks, damage and wear.
  10. Inspect the overrun clutch housing thrust bearing (513).